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PATH: usr / src / kernels / 5.14.0-611.49.2.el9_7.x86_64 / include / linux

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_PAGEMAP_H
#define _LINUX_PAGEMAP_H

/*
 * Copyright 1995 Linus Torvalds
 */
#include <linux/mm.h>
#include <linux/fs.h>
#include <linux/list.h>
#include <linux/highmem.h>
#include <linux/compiler.h>
#include <linux/uaccess.h>
#include <linux/gfp.h>
#include <linux/bitops.h>
#include <linux/hardirq.h> /* for in_interrupt() */
#include <linux/hugetlb_inline.h>

struct folio_batch;

unsigned long invalidate_mapping_pages(struct address_space *mapping,
					pgoff_t start, pgoff_t end);

static inline void invalidate_remote_inode(struct inode *inode)
{
	if (S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode) ||
	    S_ISLNK(inode->i_mode))
		invalidate_mapping_pages(inode->i_mapping, 0, -1);
}
int invalidate_inode_pages2(struct address_space *mapping);
int invalidate_inode_pages2_range(struct address_space *mapping,
		pgoff_t start, pgoff_t end);
int kiocb_invalidate_pages(struct kiocb *iocb, size_t count);
void kiocb_invalidate_post_direct_write(struct kiocb *iocb, size_t count);

int write_inode_now(struct inode *, int sync);
int filemap_fdatawrite(struct address_space *);
int filemap_flush(struct address_space *);
int filemap_fdatawait_keep_errors(struct address_space *mapping);
int filemap_fdatawait_range(struct address_space *, loff_t lstart, loff_t lend);
int filemap_fdatawait_range_keep_errors(struct address_space *mapping,
		loff_t start_byte, loff_t end_byte);

static inline int filemap_fdatawait(struct address_space *mapping)
{
	return filemap_fdatawait_range(mapping, 0, LLONG_MAX);
}

bool filemap_range_has_page(struct address_space *, loff_t lstart, loff_t lend);
int filemap_write_and_wait_range(struct address_space *mapping,
		loff_t lstart, loff_t lend);
int __filemap_fdatawrite_range(struct address_space *mapping,
		loff_t start, loff_t end, int sync_mode);
int filemap_fdatawrite_range(struct address_space *mapping,
		loff_t start, loff_t end);
int filemap_check_errors(struct address_space *mapping);
void __filemap_set_wb_err(struct address_space *mapping, int err);
int filemap_fdatawrite_wbc(struct address_space *mapping,
			   struct writeback_control *wbc);
int kiocb_write_and_wait(struct kiocb *iocb, size_t count);

static inline int filemap_write_and_wait(struct address_space *mapping)
{
	return filemap_write_and_wait_range(mapping, 0, LLONG_MAX);
}

/**
 * filemap_set_wb_err - set a writeback error on an address_space
 * @mapping: mapping in which to set writeback error
 * @err: error to be set in mapping
 *
 * When writeback fails in some way, we must record that error so that
 * userspace can be informed when fsync and the like are called.  We endeavor
 * to report errors on any file that was open at the time of the error.  Some
 * internal callers also need to know when writeback errors have occurred.
 *
 * When a writeback error occurs, most filesystems will want to call
 * filemap_set_wb_err to record the error in the mapping so that it will be
 * automatically reported whenever fsync is called on the file.
 */
static inline void filemap_set_wb_err(struct address_space *mapping, int err)
{
	/* Fastpath for common case of no error */
	if (unlikely(err))
		__filemap_set_wb_err(mapping, err);
}

/**
 * filemap_check_wb_err - has an error occurred since the mark was sampled?
 * @mapping: mapping to check for writeback errors
 * @since: previously-sampled errseq_t
 *
 * Grab the errseq_t value from the mapping, and see if it has changed "since"
 * the given value was sampled.
 *
 * If it has then report the latest error set, otherwise return 0.
 */
static inline int filemap_check_wb_err(struct address_space *mapping,
					errseq_t since)
{
	return errseq_check(&mapping->wb_err, since);
}

/**
 * filemap_sample_wb_err - sample the current errseq_t to test for later errors
 * @mapping: mapping to be sampled
 *
 * Writeback errors are always reported relative to a particular sample point
 * in the past. This function provides those sample points.
 */
static inline errseq_t filemap_sample_wb_err(struct address_space *mapping)
{
	return errseq_sample(&mapping->wb_err);
}

/**
 * file_sample_sb_err - sample the current errseq_t to test for later errors
 * @file: file pointer to be sampled
 *
 * Grab the most current superblock-level errseq_t value for the given
 * struct file.
 */
static inline errseq_t file_sample_sb_err(struct file *file)
{
	return errseq_sample(&file->f_path.dentry->d_sb->s_wb_err);
}

/*
 * Flush file data before changing attributes.  Caller must hold any locks
 * required to prevent further writes to this file until we're done setting
 * flags.
 */
static inline int inode_drain_writes(struct inode *inode)
{
	inode_dio_wait(inode);
	return filemap_write_and_wait(inode->i_mapping);
}

static inline bool mapping_empty(struct address_space *mapping)
{
	return xa_empty(&mapping->i_pages);
}

/*
 * mapping_shrinkable - test if page cache state allows inode reclaim
 * @mapping: the page cache mapping
 *
 * This checks the mapping's cache state for the pupose of inode
 * reclaim and LRU management.
 *
 * The caller is expected to hold the i_lock, but is not required to
 * hold the i_pages lock, which usually protects cache state. That's
 * because the i_lock and the list_lru lock that protect the inode and
 * its LRU state don't nest inside the irq-safe i_pages lock.
 *
 * Cache deletions are performed under the i_lock, which ensures that
 * when an inode goes empty, it will reliably get queued on the LRU.
 *
 * Cache additions do not acquire the i_lock and may race with this
 * check, in which case we'll report the inode as shrinkable when it
 * has cache pages. This is okay: the shrinker also checks the
 * refcount and the referenced bit, which will be elevated or set in
 * the process of adding new cache pages to an inode.
 */
static inline bool mapping_shrinkable(struct address_space *mapping)
{
	void *head;

/*
	 * On highmem systems, there could be lowmem pressure from the
	 * inodes before there is highmem pressure from the page
	 * cache. Make inodes shrinkable regardless of cache state.
	 */
	if (IS_ENABLED(CONFIG_HIGHMEM))
		return true;

/* Cache completely empty? Shrink away. */
	head = rcu_access_pointer(mapping->i_pages.xa_head);
	if (!head)
		return true;

/*
	 * The xarray stores single offset-0 entries directly in the
	 * head pointer, which allows non-resident page cache entries
	 * to escape the shadow shrinker's list of xarray nodes. The
	 * inode shrinker needs to pick them up under memory pressure.
	 */
	if (!xa_is_node(head) && xa_is_value(head))
		return true;

return false;
}

/*
 * Bits in mapping->flags.
 */
enum mapping_flags {
	AS_EIO		= 0,	/* IO error on async write */
	AS_ENOSPC	= 1,	/* ENOSPC on async write */
	AS_MM_ALL_LOCKS	= 2,	/* under mm_take_all_locks() */
	AS_UNEVICTABLE	= 3,	/* e.g., ramdisk, SHM_LOCK */
	AS_EXITING	= 4, 	/* final truncate in progress */
	/* writeback related tags are not used */
	AS_NO_WRITEBACK_TAGS = 5,
	AS_LARGE_FOLIO_SUPPORT = 6,
	AS_RELEASE_ALWAYS,	/* Call ->release_folio(), even if no private data */
	AS_STABLE_WRITES,	/* must wait for writeback before modifying
				   folio contents */
	AS_INACCESSIBLE,	/* Do not attempt direct R/W access to the mapping,
				   including to move the mapping */
};

/**
 * mapping_set_error - record a writeback error in the address_space
 * @mapping: the mapping in which an error should be set
 * @error: the error to set in the mapping
 *
 * When writeback fails in some way, we must record that error so that
 * userspace can be informed when fsync and the like are called.  We endeavor
 * to report errors on any file that was open at the time of the error.  Some
 * internal callers also need to know when writeback errors have occurred.
 *
 * When a writeback error occurs, most filesystems will want to call
 * mapping_set_error to record the error in the mapping so that it can be
 * reported when the application calls fsync(2).
 */
static inline void mapping_set_error(struct address_space *mapping, int error)
{
	if (likely(!error))
		return;

/* Record in wb_err for checkers using errseq_t based tracking */
	__filemap_set_wb_err(mapping, error);

/* Record it in superblock */
	if (mapping->host)
		errseq_set(&mapping->host->i_sb->s_wb_err, error);

/* Record it in flags for now, for legacy callers */
	if (error == -ENOSPC)
		set_bit(AS_ENOSPC, &mapping->flags);
	else
		set_bit(AS_EIO, &mapping->flags);
}

static inline void mapping_set_unevictable(struct address_space *mapping)
{
	set_bit(AS_UNEVICTABLE, &mapping->flags);
}

static inline void mapping_clear_unevictable(struct address_space *mapping)
{
	clear_bit(AS_UNEVICTABLE, &mapping->flags);
}

static inline bool mapping_unevictable(struct address_space *mapping)
{
	return mapping && test_bit(AS_UNEVICTABLE, &mapping->flags);
}

static inline void mapping_set_exiting(struct address_space *mapping)
{
	set_bit(AS_EXITING, &mapping->flags);
}

static inline int mapping_exiting(struct address_space *mapping)
{
	return test_bit(AS_EXITING, &mapping->flags);
}

static inline void mapping_set_no_writeback_tags(struct address_space *mapping)
{
	set_bit(AS_NO_WRITEBACK_TAGS, &mapping->flags);
}

static inline int mapping_use_writeback_tags(struct address_space *mapping)
{
	return !test_bit(AS_NO_WRITEBACK_TAGS, &mapping->flags);
}

static inline bool mapping_release_always(const struct address_space *mapping)
{
	return test_bit(AS_RELEASE_ALWAYS, &mapping->flags);
}

static inline void mapping_set_release_always(struct address_space *mapping)
{
	set_bit(AS_RELEASE_ALWAYS, &mapping->flags);
}

static inline void mapping_clear_release_always(struct address_space *mapping)
{
	clear_bit(AS_RELEASE_ALWAYS, &mapping->flags);
}

static inline bool mapping_stable_writes(const struct address_space *mapping)
{
	return test_bit(AS_STABLE_WRITES, &mapping->flags);
}

static inline void mapping_set_stable_writes(struct address_space *mapping)
{
	set_bit(AS_STABLE_WRITES, &mapping->flags);
}

static inline void mapping_clear_stable_writes(struct address_space *mapping)
{
	clear_bit(AS_STABLE_WRITES, &mapping->flags);
}

static inline void mapping_set_inaccessible(struct address_space *mapping)
{
	/*
	 * It's expected inaccessible mappings are also unevictable. Compaction
	 * migrate scanner (isolate_migratepages_block()) relies on this to
	 * reduce page locking.
	 */
	set_bit(AS_UNEVICTABLE, &mapping->flags);
	set_bit(AS_INACCESSIBLE, &mapping->flags);
}

static inline bool mapping_inaccessible(struct address_space *mapping)
{
	return test_bit(AS_INACCESSIBLE, &mapping->flags);
}

static inline gfp_t mapping_gfp_mask(struct address_space * mapping)
{
	return mapping->gfp_mask;
}

/* Restricts the given gfp_mask to what the mapping allows. */
static inline gfp_t mapping_gfp_constraint(struct address_space *mapping,
		gfp_t gfp_mask)
{
	return mapping_gfp_mask(mapping) & gfp_mask;
}

/*
 * This is non-atomic.  Only to be used before the mapping is activated.
 * Probably needs a barrier...
 */
static inline void mapping_set_gfp_mask(struct address_space *m, gfp_t mask)
{
	m->gfp_mask = mask;
}

/*
 * There are some parts of the kernel which assume that PMD entries
 * are exactly HPAGE_PMD_ORDER.  Those should be fixed, but until then,
 * limit the maximum allocation order to PMD size.  I'm not aware of any
 * assumptions about maximum order if THP are disabled, but 8 seems like
 * a good order (that's 1MB if you're using 4kB pages)
 */
#ifdef CONFIG_TRANSPARENT_HUGEPAGE
#define PREFERRED_MAX_PAGECACHE_ORDER	HPAGE_PMD_ORDER
#else
#define PREFERRED_MAX_PAGECACHE_ORDER	8
#endif

/*
 * xas_split_alloc() does not support arbitrary orders. This implies no
 * 512MB THP on ARM64 with 64KB base page size.
 */
#define MAX_XAS_ORDER		(XA_CHUNK_SHIFT * 2 - 1)
#define MAX_PAGECACHE_ORDER	min(MAX_XAS_ORDER, PREFERRED_MAX_PAGECACHE_ORDER)

/**
 * mapping_set_large_folios() - Indicate the file supports large folios.
 * @mapping: The file.
 *
 * The filesystem should call this function in its inode constructor to
 * indicate that the VFS can use large folios to cache the contents of
 * the file.
 *
 * Context: This should not be called while the inode is active as it
 * is non-atomic.
 */
static inline void mapping_set_large_folios(struct address_space *mapping)
{
	__set_bit(AS_LARGE_FOLIO_SUPPORT, &mapping->flags);
}

/*
 * Large folio support currently depends on THP.  These dependencies are
 * being worked on but are not yet fixed.
 */
static inline bool mapping_large_folio_support(struct address_space *mapping)
{
	return IS_ENABLED(CONFIG_TRANSPARENT_HUGEPAGE) &&
		test_bit(AS_LARGE_FOLIO_SUPPORT, &mapping->flags);
}

/* Return the maximum folio size for this pagecache mapping, in bytes. */
static inline size_t mapping_max_folio_size(struct address_space *mapping)
{
	if (mapping_large_folio_support(mapping))
		return PAGE_SIZE << MAX_PAGECACHE_ORDER;
	return PAGE_SIZE;
}

static inline int filemap_nr_thps(struct address_space *mapping)
{
#ifdef CONFIG_READ_ONLY_THP_FOR_FS
	return atomic_read(&mapping->nr_thps);
#else
	return 0;
#endif
}

static inline void filemap_nr_thps_inc(struct address_space *mapping)
{
#ifdef CONFIG_READ_ONLY_THP_FOR_FS
	if (!mapping_large_folio_support(mapping))
		atomic_inc(&mapping->nr_thps);
#else
	WARN_ON_ONCE(mapping_large_folio_support(mapping) == 0);
#endif
}

static inline void filemap_nr_thps_dec(struct address_space *mapping)
{
#ifdef CONFIG_READ_ONLY_THP_FOR_FS
	if (!mapping_large_folio_support(mapping))
		atomic_dec(&mapping->nr_thps);
#else
	WARN_ON_ONCE(mapping_large_folio_support(mapping) == 0);
#endif
}

struct address_space *page_mapping(struct page *);
struct address_space *folio_mapping(struct folio *);
struct address_space *swapcache_mapping(struct folio *);

/**
 * folio_file_mapping - Find the mapping this folio belongs to.
 * @folio: The folio.
 *
 * For folios which are in the page cache, return the mapping that this
 * page belongs to.  Folios in the swap cache return the mapping of the
 * swap file or swap device where the data is stored.  This is different
 * from the mapping returned by folio_mapping().  The only reason to
 * use it is if, like NFS, you return 0 from ->activate_swapfile.
 *
 * Do not call this for folios which aren't in the page cache or swap cache.
 */
static inline struct address_space *folio_file_mapping(struct folio *folio)
{
	if (unlikely(folio_test_swapcache(folio)))
		return swapcache_mapping(folio);

return folio->mapping;
}

/**
 * folio_flush_mapping - Find the file mapping this folio belongs to.
 * @folio: The folio.
 *
 * For folios which are in the page cache, return the mapping that this
 * page belongs to.  Anonymous folios return NULL, even if they're in
 * the swap cache.  Other kinds of folio also return NULL.
 *
 * This is ONLY used by architecture cache flushing code.  If you aren't
 * writing cache flushing code, you want either folio_mapping() or
 * folio_file_mapping().
 */
static inline struct address_space *folio_flush_mapping(struct folio *folio)
{
	if (unlikely(folio_test_swapcache(folio)))
		return NULL;

return folio_mapping(folio);
}

static inline struct address_space *page_file_mapping(struct page *page)
{
	return folio_file_mapping(page_folio(page));
}

/**
 * folio_inode - Get the host inode for this folio.
 * @folio: The folio.
 *
 * For folios which are in the page cache, return the inode that this folio
 * belongs to.
 *
 * Do not call this for folios which aren't in the page cache.
 */
static inline struct inode *folio_inode(struct folio *folio)
{
	return folio->mapping->host;
}

/**
 * folio_attach_private - Attach private data to a folio.
 * @folio: Folio to attach data to.
 * @data: Data to attach to folio.
 *
 * Attaching private data to a folio increments the page's reference count.
 * The data must be detached before the folio will be freed.
 */
static inline void folio_attach_private(struct folio *folio, void *data)
{
	folio_get(folio);
	folio->private = data;
	folio_set_private(folio);
}

/**
 * folio_change_private - Change private data on a folio.
 * @folio: Folio to change the data on.
 * @data: Data to set on the folio.
 *
 * Change the private data attached to a folio and return the old
 * data.  The page must previously have had data attached and the data
 * must be detached before the folio will be freed.
 *
 * Return: Data that was previously attached to the folio.
 */
static inline void *folio_change_private(struct folio *folio, void *data)
{
	void *old = folio_get_private(folio);

folio->private = data;
	return old;
}

/**
 * folio_detach_private - Detach private data from a folio.
 * @folio: Folio to detach data from.
 *
 * Removes the data that was previously attached to the folio and decrements
 * the refcount on the page.
 *
 * Return: Data that was attached to the folio.
 */
static inline void *folio_detach_private(struct folio *folio)
{
	void *data = folio_get_private(folio);

if (!folio_test_private(folio))
		return NULL;
	folio_clear_private(folio);
	folio->private = NULL;
	folio_put(folio);

return data;
}

static inline void attach_page_private(struct page *page, void *data)
{
	folio_attach_private(page_folio(page), data);
}

static inline void *detach_page_private(struct page *page)
{
	return folio_detach_private(page_folio(page));
}

#ifdef CONFIG_NUMA
struct folio *filemap_alloc_folio(gfp_t gfp, unsigned int order);
#else
static inline struct folio *filemap_alloc_folio(gfp_t gfp, unsigned int order)
{
	return folio_alloc(gfp, order);
}
#endif

static inline struct page *__page_cache_alloc(gfp_t gfp)
{
	return &filemap_alloc_folio(gfp, 0)->page;
}

static inline struct page *page_cache_alloc(struct address_space *x)
{
	return __page_cache_alloc(mapping_gfp_mask(x));
}

static inline gfp_t readahead_gfp_mask(struct address_space *x)
{
	return mapping_gfp_mask(x) | __GFP_NORETRY | __GFP_NOWARN;
}

typedef int filler_t(struct file *, struct folio *);

pgoff_t page_cache_next_miss(struct address_space *mapping,
			     pgoff_t index, unsigned long max_scan);
pgoff_t page_cache_prev_miss(struct address_space *mapping,
			     pgoff_t index, unsigned long max_scan);

/**
 * typedef fgf_t - Flags for getting folios from the page cache.
 *
 * Most users of the page cache will not need to use these flags;
 * there are convenience functions such as filemap_get_folio() and
 * filemap_lock_folio().  For users which need more control over exactly
 * what is done with the folios, these flags to __filemap_get_folio()
 * are available.
 *
 * * %FGP_ACCESSED - The folio will be marked accessed.
 * * %FGP_LOCK - The folio is returned locked.
 * * %FGP_CREAT - If no folio is present then a new folio is allocated,
 *   added to the page cache and the VM's LRU list.  The folio is
 *   returned locked.
 * * %FGP_FOR_MMAP - The caller wants to do its own locking dance if the
 *   folio is already in cache.  If the folio was allocated, unlock it
 *   before returning so the caller can do the same dance.
 * * %FGP_WRITE - The folio will be written to by the caller.
 * * %FGP_NOFS - __GFP_FS will get cleared in gfp.
 * * %FGP_NOWAIT - Don't block on the folio lock.
 * * %FGP_STABLE - Wait for the folio to be stable (finished writeback)
 * * %FGP_WRITEBEGIN - The flags to use in a filesystem write_begin()
 *   implementation.
 */
typedef unsigned int __bitwise fgf_t;

#define FGP_ACCESSED		((__force fgf_t)0x00000001)
#define FGP_LOCK		((__force fgf_t)0x00000002)
#define FGP_CREAT		((__force fgf_t)0x00000004)
#define FGP_WRITE		((__force fgf_t)0x00000008)
#define FGP_NOFS		((__force fgf_t)0x00000010)
#define FGP_NOWAIT		((__force fgf_t)0x00000020)
#define FGP_FOR_MMAP		((__force fgf_t)0x00000040)
#define FGP_STABLE		((__force fgf_t)0x00000080)
#define FGF_GET_ORDER(fgf)	(((__force unsigned)fgf) >> 26)	/* top 6 bits */

/**
 * fgf_set_order - Encode a length in the fgf_t flags.
 * @size: The suggested size of the folio to create.
 *
 * The caller of __filemap_get_folio() can use this to suggest a preferred
 * size for the folio that is created.  If there is already a folio at
 * the index, it will be returned, no matter what its size.  If a folio
 * is freshly created, it may be of a different size than requested
 * due to alignment constraints, memory pressure, or the presence of
 * other folios at nearby indices.
 */
static inline fgf_t fgf_set_order(size_t size)
{
	unsigned int shift = ilog2(size);

if (shift <= PAGE_SHIFT)
		return 0;
	return (__force fgf_t)((shift - PAGE_SHIFT) << 26);
}

void *filemap_get_entry(struct address_space *mapping, pgoff_t index);
#define FGP_WRITEBEGIN		(FGP_LOCK | FGP_WRITE | FGP_CREAT | FGP_STABLE)

struct folio *__filemap_get_folio(struct address_space *mapping, pgoff_t index,
		fgf_t fgp_flags, gfp_t gfp);
struct page *pagecache_get_page(struct address_space *mapping, pgoff_t index,
		fgf_t fgp_flags, gfp_t gfp);

/**
 * filemap_get_folio - Find and get a folio.
 * @mapping: The address_space to search.
 * @index: The page index.
 *
 * Looks up the page cache entry at @mapping & @index.  If a folio is
 * present, it is returned with an increased refcount.
 *
 * Return: A folio or ERR_PTR(-ENOENT) if there is no folio in the cache for
 * this index.  Will not return a shadow, swap or DAX entry.
 */
static inline struct folio *filemap_get_folio(struct address_space *mapping,
					pgoff_t index)
{
	return __filemap_get_folio(mapping, index, 0, 0);
}

/**
 * filemap_lock_folio - Find and lock a folio.
 * @mapping: The address_space to search.
 * @index: The page index.
 *
 * Looks up the page cache entry at @mapping & @index.  If a folio is
 * present, it is returned locked with an increased refcount.
 *
 * Context: May sleep.
 * Return: A folio or ERR_PTR(-ENOENT) if there is no folio in the cache for
 * this index.  Will not return a shadow, swap or DAX entry.
 */
static inline struct folio *filemap_lock_folio(struct address_space *mapping,
					pgoff_t index)
{
	return __filemap_get_folio(mapping, index, FGP_LOCK, 0);
}

/**
 * filemap_grab_folio - grab a folio from the page cache
 * @mapping: The address space to search
 * @index: The page index
 *
 * Looks up the page cache entry at @mapping & @index. If no folio is found,
 * a new folio is created. The folio is locked, marked as accessed, and
 * returned.
 *
 * Return: A found or created folio. ERR_PTR(-ENOMEM) if no folio is found
 * and failed to create a folio.
 */
static inline struct folio *filemap_grab_folio(struct address_space *mapping,
					pgoff_t index)
{
	return __filemap_get_folio(mapping, index,
			FGP_LOCK | FGP_ACCESSED | FGP_CREAT,
			mapping_gfp_mask(mapping));
}

/**
 * find_get_page - find and get a page reference
 * @mapping: the address_space to search
 * @offset: the page index
 *
 * Looks up the page cache slot at @mapping & @offset.  If there is a
 * page cache page, it is returned with an increased refcount.
 *
 * Otherwise, %NULL is returned.
 */
static inline struct page *find_get_page(struct address_space *mapping,
					pgoff_t offset)
{
	return pagecache_get_page(mapping, offset, 0, 0);
}

static inline struct page *find_get_page_flags(struct address_space *mapping,
					pgoff_t offset, fgf_t fgp_flags)
{
	return pagecache_get_page(mapping, offset, fgp_flags, 0);
}

/**
 * find_lock_page - locate, pin and lock a pagecache page
 * @mapping: the address_space to search
 * @index: the page index
 *
 * Looks up the page cache entry at @mapping & @index.  If there is a
 * page cache page, it is returned locked and with an increased
 * refcount.
 *
 * Context: May sleep.
 * Return: A struct page or %NULL if there is no page in the cache for this
 * index.
 */
static inline struct page *find_lock_page(struct address_space *mapping,
					pgoff_t index)
{
	return pagecache_get_page(mapping, index, FGP_LOCK, 0);
}

/**
 * find_or_create_page - locate or add a pagecache page
 * @mapping: the page's address_space
 * @index: the page's index into the mapping
 * @gfp_mask: page allocation mode
 *
 * Looks up the page cache slot at @mapping & @offset.  If there is a
 * page cache page, it is returned locked and with an increased
 * refcount.
 *
 * If the page is not present, a new page is allocated using @gfp_mask
 * and added to the page cache and the VM's LRU list.  The page is
 * returned locked and with an increased refcount.
 *
 * On memory exhaustion, %NULL is returned.
 *
 * find_or_create_page() may sleep, even if @gfp_flags specifies an
 * atomic allocation!
 */
static inline struct page *find_or_create_page(struct address_space *mapping,
					pgoff_t index, gfp_t gfp_mask)
{
	return pagecache_get_page(mapping, index,
					FGP_LOCK|FGP_ACCESSED|FGP_CREAT,
					gfp_mask);
}

/**
 * grab_cache_page_nowait - returns locked page at given index in given cache
 * @mapping: target address_space
 * @index: the page index
 *
 * Same as grab_cache_page(), but do not wait if the page is unavailable.
 * This is intended for speculative data generators, where the data can
 * be regenerated if the page couldn't be grabbed.  This routine should
 * be safe to call while holding the lock for another page.
 *
 * Clear __GFP_FS when allocating the page to avoid recursion into the fs
 * and deadlock against the caller's locked page.
 */
static inline struct page *grab_cache_page_nowait(struct address_space *mapping,
				pgoff_t index)
{
	return pagecache_get_page(mapping, index,
			FGP_LOCK|FGP_CREAT|FGP_NOFS|FGP_NOWAIT,
			mapping_gfp_mask(mapping));
}

#define swapcache_index(folio)	__page_file_index(&(folio)->page)

/**
 * folio_index - File index of a folio.
 * @folio: The folio.
 *
 * For a folio which is either in the page cache or the swap cache,
 * return its index within the address_space it belongs to.  If you know
 * the page is definitely in the page cache, you can look at the folio's
 * index directly.
 *
 * Return: The index (offset in units of pages) of a folio in its file.
 */
static inline pgoff_t folio_index(struct folio *folio)
{
        if (unlikely(folio_test_swapcache(folio)))
                return swapcache_index(folio);
        return folio->index;
}

/**
 * folio_next_index - Get the index of the next folio.
 * @folio: The current folio.
 *
 * Return: The index of the folio which follows this folio in the file.
 */
static inline pgoff_t folio_next_index(struct folio *folio)
{
	return folio->index + folio_nr_pages(folio);
}

/**
 * folio_file_page - The page for a particular index.
 * @folio: The folio which contains this index.
 * @index: The index we want to look up.
 *
 * Sometimes after looking up a folio in the page cache, we need to
 * obtain the specific page for an index (eg a page fault).
 *
 * Return: The page containing the file data for this index.
 */
static inline struct page *folio_file_page(struct folio *folio, pgoff_t index)
{
	return folio_page(folio, index & (folio_nr_pages(folio) - 1));
}

/**
 * folio_contains - Does this folio contain this index?
 * @folio: The folio.
 * @index: The page index within the file.
 *
 * Context: The caller should have the page locked in order to prevent
 * (eg) shmem from moving the page between the page cache and swap cache
 * and changing its index in the middle of the operation.
 * Return: true or false.
 */
static inline bool folio_contains(struct folio *folio, pgoff_t index)
{
	return index - folio_index(folio) < folio_nr_pages(folio);
}

/*
 * Given the page we found in the page cache, return the page corresponding
 * to this index in the file
 */
static inline struct page *find_subpage(struct page *head, pgoff_t index)
{
	/* HugeTLBfs wants the head page regardless */
	if (PageHuge(head))
		return head;

return head + (index & (thp_nr_pages(head) - 1));
}

unsigned filemap_get_folios(struct address_space *mapping, pgoff_t *start,
		pgoff_t end, struct folio_batch *fbatch);
unsigned filemap_get_folios_contig(struct address_space *mapping,
		pgoff_t *start, pgoff_t end, struct folio_batch *fbatch);
unsigned filemap_get_folios_tag(struct address_space *mapping, pgoff_t *start,
		pgoff_t end, xa_mark_t tag, struct folio_batch *fbatch);

struct page *grab_cache_page_write_begin(struct address_space *mapping,
			pgoff_t index);

/*
 * Returns locked page at given index in given cache, creating it if needed.
 */
static inline struct page *grab_cache_page(struct address_space *mapping,
								pgoff_t index)
{
	return find_or_create_page(mapping, index, mapping_gfp_mask(mapping));
}

struct folio *read_cache_folio(struct address_space *, pgoff_t index,
		filler_t *filler, struct file *file);
struct folio *mapping_read_folio_gfp(struct address_space *, pgoff_t index,
		gfp_t flags);
struct page *read_cache_page(struct address_space *, pgoff_t index,
		filler_t *filler, struct file *file);
extern struct page * read_cache_page_gfp(struct address_space *mapping,
				pgoff_t index, gfp_t gfp_mask);

static inline struct page *read_mapping_page(struct address_space *mapping,
				pgoff_t index, struct file *file)
{
	return read_cache_page(mapping, index, NULL, file);
}

static inline struct folio *read_mapping_folio(struct address_space *mapping,
				pgoff_t index, struct file *file)
{
	return read_cache_folio(mapping, index, NULL, file);
}

/*
 * Get the offset in PAGE_SIZE (even for hugetlb pages).
 */
static inline pgoff_t page_to_pgoff(struct page *page)
{
	struct page *head;

if (likely(!PageTransTail(page)))
		return page->index;

head = compound_head(page);
	/*
	 *  We don't initialize ->index for tail pages: calculate based on
	 *  head page
	 */
	return head->index + page - head;
}

/*
 * Return byte-offset into filesystem object for page.
 */
static inline loff_t page_offset(struct page *page)
{
	return ((loff_t)page->index) << PAGE_SHIFT;
}

static inline loff_t page_file_offset(struct page *page)
{
	return ((loff_t)page_index(page)) << PAGE_SHIFT;
}

/**
 * folio_pos - Returns the byte position of this folio in its file.
 * @folio: The folio.
 */
static inline loff_t folio_pos(struct folio *folio)
{
	return page_offset(&folio->page);
}

/**
 * folio_file_pos - Returns the byte position of this folio in its file.
 * @folio: The folio.
 *
 * This differs from folio_pos() for folios which belong to a swap file.
 * NFS is the only filesystem today which needs to use folio_file_pos().
 */
static inline loff_t folio_file_pos(struct folio *folio)
{
	return page_file_offset(&folio->page);
}

/*
 * Get the offset in PAGE_SIZE (even for hugetlb folios).
 */
static inline pgoff_t folio_pgoff(struct folio *folio)
{
	return folio->index;
}

static inline pgoff_t linear_page_index(struct vm_area_struct *vma,
					unsigned long address)
{
	pgoff_t pgoff;
	pgoff = (address - vma->vm_start) >> PAGE_SHIFT;
	pgoff += vma->vm_pgoff;
	return pgoff;
}

struct wait_page_key {
	struct folio *folio;
	int bit_nr;
	int page_match;
};

struct wait_page_queue {
	struct folio *folio;
	int bit_nr;
	wait_queue_entry_t wait;
};

static inline bool wake_page_match(struct wait_page_queue *wait_page,
				  struct wait_page_key *key)
{
	if (wait_page->folio != key->folio)
	       return false;
	key->page_match = 1;

if (wait_page->bit_nr != key->bit_nr)
		return false;

return true;
}

void __folio_lock(struct folio *folio);
int __folio_lock_killable(struct folio *folio);
vm_fault_t __folio_lock_or_retry(struct folio *folio, struct vm_fault *vmf);
void unlock_page(struct page *page);
void folio_unlock(struct folio *folio);

/**
 * folio_trylock() - Attempt to lock a folio.
 * @folio: The folio to attempt to lock.
 *
 * Sometimes it is undesirable to wait for a folio to be unlocked (eg
 * when the locks are being taken in the wrong order, or if making
 * progress through a batch of folios is more important than processing
 * them in order).  Usually folio_lock() is the correct function to call.
 *
 * Context: Any context.
 * Return: Whether the lock was successfully acquired.
 */
static inline bool folio_trylock(struct folio *folio)
{
	return likely(!test_and_set_bit_lock(PG_locked, folio_flags(folio, 0)));
}

/*
 * Return true if the page was successfully locked
 */
static inline int trylock_page(struct page *page)
{
	return folio_trylock(page_folio(page));
}

/**
 * folio_lock() - Lock this folio.
 * @folio: The folio to lock.
 *
 * The folio lock protects against many things, probably more than it
 * should.  It is primarily held while a folio is being brought uptodate,
 * either from its backing file or from swap.  It is also held while a
 * folio is being truncated from its address_space, so holding the lock
 * is sufficient to keep folio->mapping stable.
 *
 * The folio lock is also held while write() is modifying the page to
 * provide POSIX atomicity guarantees (as long as the write does not
 * cross a page boundary).  Other modifications to the data in the folio
 * do not hold the folio lock and can race with writes, eg DMA and stores
 * to mapped pages.
 *
 * Context: May sleep.  If you need to acquire the locks of two or
 * more folios, they must be in order of ascending index, if they are
 * in the same address_space.  If they are in different address_spaces,
 * acquire the lock of the folio which belongs to the address_space which
 * has the lowest address in memory first.
 */
static inline void folio_lock(struct folio *folio)
{
	might_sleep();
	if (!folio_trylock(folio))
		__folio_lock(folio);
}

/**
 * lock_page() - Lock the folio containing this page.
 * @page: The page to lock.
 *
 * See folio_lock() for a description of what the lock protects.
 * This is a legacy function and new code should probably use folio_lock()
 * instead.
 *
 * Context: May sleep.  Pages in the same folio share a lock, so do not
 * attempt to lock two pages which share a folio.
 */
static inline void lock_page(struct page *page)
{
	struct folio *folio;
	might_sleep();

folio = page_folio(page);
	if (!folio_trylock(folio))
		__folio_lock(folio);
}

/**
 * folio_lock_killable() - Lock this folio, interruptible by a fatal signal.
 * @folio: The folio to lock.
 *
 * Attempts to lock the folio, like folio_lock(), except that the sleep
 * to acquire the lock is interruptible by a fatal signal.
 *
 * Context: May sleep; see folio_lock().
 * Return: 0 if the lock was acquired; -EINTR if a fatal signal was received.
 */
static inline int folio_lock_killable(struct folio *folio)
{
	might_sleep();
	if (!folio_trylock(folio))
		return __folio_lock_killable(folio);
	return 0;
}

/*
 * folio_lock_or_retry - Lock the folio, unless this would block and the
 * caller indicated that it can handle a retry.
 *
 * Return value and mmap_lock implications depend on flags; see
 * __folio_lock_or_retry().
 */
static inline vm_fault_t folio_lock_or_retry(struct folio *folio,
					     struct vm_fault *vmf)
{
	might_sleep();
	if (!folio_trylock(folio))
		return __folio_lock_or_retry(folio, vmf);
	return 0;
}

/*
 * This is exported only for folio_wait_locked/folio_wait_writeback, etc.,
 * and should not be used directly.
 */
void folio_wait_bit(struct folio *folio, int bit_nr);
int folio_wait_bit_killable(struct folio *folio, int bit_nr);

/* 
 * Wait for a folio to be unlocked.
 *
 * This must be called with the caller "holding" the folio,
 * ie with increased folio reference count so that the folio won't
 * go away during the wait.
 */
static inline void folio_wait_locked(struct folio *folio)
{
	if (folio_test_locked(folio))
		folio_wait_bit(folio, PG_locked);
}

static inline int folio_wait_locked_killable(struct folio *folio)
{
	if (!folio_test_locked(folio))
		return 0;
	return folio_wait_bit_killable(folio, PG_locked);
}

static inline void wait_on_page_locked(struct page *page)
{
	folio_wait_locked(page_folio(page));
}

void wait_on_page_writeback(struct page *page);
void folio_wait_writeback(struct folio *folio);
int folio_wait_writeback_killable(struct folio *folio);
void end_page_writeback(struct page *page);
void folio_end_writeback(struct folio *folio);
void wait_for_stable_page(struct page *page);
void folio_wait_stable(struct folio *folio);
void __folio_mark_dirty(struct folio *folio, struct address_space *, int warn);
static inline void __set_page_dirty(struct page *page,
		struct address_space *mapping, int warn)
{
	__folio_mark_dirty(page_folio(page), mapping, warn);
}
void folio_account_cleaned(struct folio *folio, struct bdi_writeback *wb);
void __folio_cancel_dirty(struct folio *folio);
static inline void folio_cancel_dirty(struct folio *folio)
{
	/* Avoid atomic ops, locking, etc. when not actually needed. */
	if (folio_test_dirty(folio))
		__folio_cancel_dirty(folio);
}
bool folio_clear_dirty_for_io(struct folio *folio);
bool clear_page_dirty_for_io(struct page *page);
void folio_invalidate(struct folio *folio, size_t offset, size_t length);
int __set_page_dirty_nobuffers(struct page *page);
bool noop_dirty_folio(struct address_space *mapping, struct folio *folio);

#ifdef CONFIG_MIGRATION
int filemap_migrate_folio(struct address_space *mapping, struct folio *dst,
		struct folio *src, enum migrate_mode mode);
#else
#define filemap_migrate_folio NULL
#endif
void folio_end_private_2(struct folio *folio);
void folio_wait_private_2(struct folio *folio);
int folio_wait_private_2_killable(struct folio *folio);

/*
 * Add an arbitrary waiter to a page's wait queue
 */
void folio_add_wait_queue(struct folio *folio, wait_queue_entry_t *waiter);

/*
 * Fault in userspace address range.
 */
size_t fault_in_writeable(char __user *uaddr, size_t size);
size_t fault_in_subpage_writeable(char __user *uaddr, size_t size);
size_t fault_in_safe_writeable(const char __user *uaddr, size_t size);
size_t fault_in_readable(const char __user *uaddr, size_t size);

int add_to_page_cache_lru(struct page *page, struct address_space *mapping,
		pgoff_t index, gfp_t gfp);
int filemap_add_folio(struct address_space *mapping, struct folio *folio,
		pgoff_t index, gfp_t gfp);
void filemap_remove_folio(struct folio *folio);
void __filemap_remove_folio(struct folio *folio, void *shadow);
void replace_page_cache_folio(struct folio *old, struct folio *new);
void delete_from_page_cache_batch(struct address_space *mapping,
				  struct folio_batch *fbatch);
bool filemap_release_folio(struct folio *folio, gfp_t gfp);
loff_t mapping_seek_hole_data(struct address_space *, loff_t start, loff_t end,
		int whence);

/* Must be non-static for BPF error injection */
int __filemap_add_folio(struct address_space *mapping, struct folio *folio,
		pgoff_t index, gfp_t gfp, void **shadowp);

/**
 * struct readahead_control - Describes a readahead request.
 *
 * A readahead request is for consecutive pages.  Filesystems which
 * implement the ->readahead method should call readahead_page() or
 * readahead_page_batch() in a loop and attempt to start I/O against
 * each page in the request.
 *
 * Most of the fields in this struct are private and should be accessed
 * by the functions below.
 *
 * @file: The file, used primarily by network filesystems for authentication.
 *	  May be NULL if invoked internally by the filesystem.
 * @mapping: Readahead this filesystem object.
 * @ra: File readahead state.  May be NULL.
 */
struct readahead_control {
	struct file *file;
	struct address_space *mapping;
	struct file_ra_state *ra;
	RH_KABI_RESERVE(1)
	RH_KABI_RESERVE(2)
	RH_KABI_RESERVE(3)
/* private: use the readahead_* accessors instead */
	pgoff_t _index;
	unsigned int _nr_pages;
	unsigned int _batch_count;
	bool _workingset;
	unsigned long _pflags;
};

#define DEFINE_READAHEAD(ractl, f, r, m, i)				\
	struct readahead_control ractl = {				\
		.file = f,						\
		.mapping = m,						\
		.ra = r,						\
		._index = i,						\
	}

#define VM_READAHEAD_PAGES	(SZ_128K / PAGE_SIZE)

void page_cache_ra_unbounded(struct readahead_control *,
		unsigned long nr_to_read, unsigned long lookahead_count);
void page_cache_sync_ra(struct readahead_control *, unsigned long req_count);
void page_cache_async_ra(struct readahead_control *, struct folio *,
		unsigned long req_count);
void readahead_expand(struct readahead_control *ractl,
		      loff_t new_start, size_t new_len);

/**
 * page_cache_sync_readahead - generic file readahead
 * @mapping: address_space which holds the pagecache and I/O vectors
 * @ra: file_ra_state which holds the readahead state
 * @file: Used by the filesystem for authentication.
 * @index: Index of first page to be read.
 * @req_count: Total number of pages being read by the caller.
 *
 * page_cache_sync_readahead() should be called when a cache miss happened:
 * it will submit the read.  The readahead logic may decide to piggyback more
 * pages onto the read request if access patterns suggest it will improve
 * performance.
 */
static inline
void page_cache_sync_readahead(struct address_space *mapping,
		struct file_ra_state *ra, struct file *file, pgoff_t index,
		unsigned long req_count)
{
	DEFINE_READAHEAD(ractl, file, ra, mapping, index);
	page_cache_sync_ra(&ractl, req_count);
}

/**
 * page_cache_async_readahead - file readahead for marked pages
 * @mapping: address_space which holds the pagecache and I/O vectors
 * @ra: file_ra_state which holds the readahead state
 * @file: Used by the filesystem for authentication.
 * @folio: The folio at @index which triggered the readahead call.
 * @index: Index of first page to be read.
 * @req_count: Total number of pages being read by the caller.
 *
 * page_cache_async_readahead() should be called when a page is used which
 * is marked as PageReadahead; this is a marker to suggest that the application
 * has used up enough of the readahead window that we should start pulling in
 * more pages.
 */
static inline
void page_cache_async_readahead(struct address_space *mapping,
		struct file_ra_state *ra, struct file *file,
		struct folio *folio, pgoff_t index, unsigned long req_count)
{
	DEFINE_READAHEAD(ractl, file, ra, mapping, index);
	page_cache_async_ra(&ractl, folio, req_count);
}

static inline struct folio *__readahead_folio(struct readahead_control *ractl)
{
	struct folio *folio;

BUG_ON(ractl->_batch_count > ractl->_nr_pages);
	ractl->_nr_pages -= ractl->_batch_count;
	ractl->_index += ractl->_batch_count;

if (!ractl->_nr_pages) {
		ractl->_batch_count = 0;
		return NULL;
	}

folio = xa_load(&ractl->mapping->i_pages, ractl->_index);
	VM_BUG_ON_FOLIO(!folio_test_locked(folio), folio);
	ractl->_batch_count = folio_nr_pages(folio);

return folio;
}

/**
 * readahead_page - Get the next page to read.
 * @ractl: The current readahead request.
 *
 * Context: The page is locked and has an elevated refcount.  The caller
 * should decreases the refcount once the page has been submitted for I/O
 * and unlock the page once all I/O to that page has completed.
 * Return: A pointer to the next page, or %NULL if we are done.
 */
static inline struct page *readahead_page(struct readahead_control *ractl)
{
	struct folio *folio = __readahead_folio(ractl);

return &folio->page;
}

/**
 * readahead_folio - Get the next folio to read.
 * @ractl: The current readahead request.
 *
 * Context: The folio is locked.  The caller should unlock the folio once
 * all I/O to that folio has completed.
 * Return: A pointer to the next folio, or %NULL if we are done.
 */
static inline struct folio *readahead_folio(struct readahead_control *ractl)
{
	struct folio *folio = __readahead_folio(ractl);

if (folio)
		folio_put(folio);
	return folio;
}

static inline unsigned int __readahead_batch(struct readahead_control *rac,
		struct page **array, unsigned int array_sz)
{
	unsigned int i = 0;
	XA_STATE(xas, &rac->mapping->i_pages, 0);
	struct page *page;

BUG_ON(rac->_batch_count > rac->_nr_pages);
	rac->_nr_pages -= rac->_batch_count;
	rac->_index += rac->_batch_count;
	rac->_batch_count = 0;

xas_set(&xas, rac->_index);
	rcu_read_lock();
	xas_for_each(&xas, page, rac->_index + rac->_nr_pages - 1) {
		if (xas_retry(&xas, page))
			continue;
		VM_BUG_ON_PAGE(!PageLocked(page), page);
		VM_BUG_ON_PAGE(PageTail(page), page);
		array[i++] = page;
		rac->_batch_count += thp_nr_pages(page);
		if (i == array_sz)
			break;
	}
	rcu_read_unlock();

return i;
}

/**
 * readahead_page_batch - Get a batch of pages to read.
 * @rac: The current readahead request.
 * @array: An array of pointers to struct page.
 *
 * Context: The pages are locked and have an elevated refcount.  The caller
 * should decreases the refcount once the page has been submitted for I/O
 * and unlock the page once all I/O to that page has completed.
 * Return: The number of pages placed in the array.  0 indicates the request
 * is complete.
 */
#define readahead_page_batch(rac, array)				\
	__readahead_batch(rac, array, ARRAY_SIZE(array))

/**
 * readahead_pos - The byte offset into the file of this readahead request.
 * @rac: The readahead request.
 */
static inline loff_t readahead_pos(struct readahead_control *rac)
{
	return (loff_t)rac->_index * PAGE_SIZE;
}

/**
 * readahead_length - The number of bytes in this readahead request.
 * @rac: The readahead request.
 */
static inline size_t readahead_length(struct readahead_control *rac)
{
	return rac->_nr_pages * PAGE_SIZE;
}

/**
 * readahead_index - The index of the first page in this readahead request.
 * @rac: The readahead request.
 */
static inline pgoff_t readahead_index(struct readahead_control *rac)
{
	return rac->_index;
}

bool filemap_range_has_writeback(struct address_space *mapping,
				 loff_t start_byte, loff_t end_byte);

/**
 * filemap_range_needs_writeback - check if range potentially needs writeback
 * @mapping:           address space within which to check
 * @start_byte:        offset in bytes where the range starts
 * @end_byte:          offset in bytes where the range ends (inclusive)
 *
 * Find at least one page in the range supplied, usually used to check if
 * direct writing in this range will trigger a writeback. Used by O_DIRECT
 * read/write with IOCB_NOWAIT, to see if the caller needs to do
 * filemap_write_and_wait_range() before proceeding.
 *
 * Return: %true if the caller should do filemap_write_and_wait_range() before
 * doing O_DIRECT to a page in this range, %false otherwise.
 */
static inline bool filemap_range_needs_writeback(struct address_space *mapping,
						 loff_t start_byte,
						 loff_t end_byte)
{
	if (!mapping->nrpages)
		return false;
	if (!mapping_tagged(mapping, PAGECACHE_TAG_DIRTY) &&
	    !mapping_tagged(mapping, PAGECACHE_TAG_WRITEBACK))
		return false;
	return filemap_range_has_writeback(mapping, start_byte, end_byte);
}

/**
 * readahead_count - The number of pages in this readahead request.
 * @rac: The readahead request.
 */
static inline unsigned int readahead_count(struct readahead_control *rac)
{
	return rac->_nr_pages;
}

/**
 * readahead_batch_length - The number of bytes in the current batch.
 * @rac: The readahead request.
 */
static inline size_t readahead_batch_length(struct readahead_control *rac)
{
	return rac->_batch_count * PAGE_SIZE;
}

static inline unsigned long dir_pages(struct inode *inode)
{
	return (unsigned long)(inode->i_size + PAGE_SIZE - 1) >>
			       PAGE_SHIFT;
}

/**
 * folio_mkwrite_check_truncate - check if folio was truncated
 * @folio: the folio to check
 * @inode: the inode to check the folio against
 *
 * Return: the number of bytes in the folio up to EOF,
 * or -EFAULT if the folio was truncated.
 */
static inline ssize_t folio_mkwrite_check_truncate(struct folio *folio,
					      struct inode *inode)
{
	loff_t size = i_size_read(inode);
	pgoff_t index = size >> PAGE_SHIFT;
	size_t offset = offset_in_folio(folio, size);

if (!folio->mapping)
		return -EFAULT;

/* folio is wholly inside EOF */
	if (folio_next_index(folio) - 1 < index)
		return folio_size(folio);
	/* folio is wholly past EOF */
	if (folio->index > index || !offset)
		return -EFAULT;
	/* folio is partially inside EOF */
	return offset;
}

/**
 * page_mkwrite_check_truncate - check if page was truncated
 * @page: the page to check
 * @inode: the inode to check the page against
 *
 * Returns the number of bytes in the page up to EOF,
 * or -EFAULT if the page was truncated.
 */
static inline int page_mkwrite_check_truncate(struct page *page,
					      struct inode *inode)
{
	loff_t size = i_size_read(inode);
	pgoff_t index = size >> PAGE_SHIFT;
	int offset = offset_in_page(size);

if (page->mapping != inode->i_mapping)
		return -EFAULT;

/* page is wholly inside EOF */
	if (page->index < index)
		return PAGE_SIZE;
	/* page is wholly past EOF */
	if (page->index > index || !offset)
		return -EFAULT;
	/* page is partially inside EOF */
	return offset;
}

/**
 * i_blocks_per_folio - How many blocks fit in this folio.
 * @inode: The inode which contains the blocks.
 * @folio: The folio.
 *
 * If the block size is larger than the size of this folio, return zero.
 *
 * Context: The caller should hold a refcount on the folio to prevent it
 * from being split.
 * Return: The number of filesystem blocks covered by this folio.
 */
static inline
unsigned int i_blocks_per_folio(struct inode *inode, struct folio *folio)
{
	return folio_size(folio) >> inode->i_blkbits;
}

static inline
unsigned int i_blocks_per_page(struct inode *inode, struct page *page)
{
	return i_blocks_per_folio(inode, page_folio(page));
}
#endif /* _LINUX_PAGEMAP_H */

[+] ..
[-] node.h [edit]
[-] via.h [edit]
[-] ks0108.h [edit]
[-] vfio.h [edit]
[-] rbtree.h [edit]
[-] stacktrace.h [edit]
[-] list.h [edit]
[-] mroute.h [edit]
[-] psp.h [edit]
[-] evm.h [edit]
[-] interconnect.h [edit]
[-] context_tracking_irq.h [edit]
[-] phy_fixed.h [edit]
[-] typecheck.h [edit]
[-] rio_ids.h [edit]
[-] sem.h [edit]
[-] instrumented.h [edit]
[-] count_zeros.h [edit]
[-] fs.h [edit]
[-] keyctl.h [edit]
[-] rtc.h [edit]
[-] mmu_context.h [edit]
[+] dsa
[-] virtio_caif.h [edit]
[-] atalk.h [edit]
[-] rndis.h [edit]
[-] virtio_anchor.h [edit]
[-] posix_acl.h [edit]
[-] rhashtable-types.h [edit]
[-] swap.h [edit]
[-] purgatory.h [edit]
[-] rtsx_pci.h [edit]
[-] aio.h [edit]
[-] rv.h [edit]
[-] nvme-auth.h [edit]
[-] args.h [edit]
[-] license.h [edit]
[-] bpfilter.h [edit]
[-] tty_flip.h [edit]
[-] crash_reserve.h [edit]
[-] compiler_attributes.h [edit]
[-] omap-dma.h [edit]
[-] range.h [edit]
[-] dfl.h [edit]
[-] if_ltalk.h [edit]
[-] attribute_container.h [edit]
[-] gfp_types.h [edit]
[-] hashtable_api.h [edit]
[-] dynamic_debug.h [edit]
[-] a.out.h [edit]
[-] cpuset.h [edit]
[-] ftrace.h [edit]
[-] export-internal.h [edit]
[-] vmalloc.h [edit]
[-] nd.h [edit]
[-] gfp.h [edit]
[-] kdb.h [edit]
[-] namei.h [edit]
[-] lockref.h [edit]
[-] in6.h [edit]
[-] skbuff.h [edit]
[-] ti-emif-sram.h [edit]
[-] logic_iomem.h [edit]
[-] phy_led_triggers.h [edit]
[-] trace_events.h [edit]
[-] radix-tree.h [edit]
[-] mount.h [edit]
[-] font.h [edit]
[-] tc.h [edit]
[-] dirent.h [edit]
[-] io-64-nonatomic-lo-hi.h [edit]
[-] crc7.h [edit]
[-] pstore_ram.h [edit]
[-] stmp_device.h [edit]
[-] mm_api.h [edit]
[-] mdev.h [edit]
[-] percpu.h [edit]
[-] once.h [edit]
[-] mdio-gpio.h [edit]
[-] ktime.h [edit]
[-] ata_platform.h [edit]
[-] tnum.h [edit]
[-] verification.h [edit]
[-] regmap.h [edit]
[-] lsm_count.h [edit]
[-] eventpoll.h [edit]
[-] cgroup_subsys.h [edit]
[-] arm-smccc.h [edit]
[-] debugobjects.h [edit]
[-] leds-regulator.h [edit]
[-] printk.h [edit]
[-] i2c-algo-pcf.h [edit]
[-] signal_types.h [edit]
[-] page-flags.h [edit]
[-] rpmsg.h [edit]
[-] wait.h [edit]
[-] blk-integrity.h [edit]
[-] bug.h [edit]
[-] ppp_channel.h [edit]
[-] kstrtox.h [edit]
[-] prefetch.h [edit]
[-] adxl.h [edit]
[-] serial_8250.h [edit]
[-] mnt_idmapping.h [edit]
[-] kgdb.h [edit]
[-] hdlcdrv.h [edit]
[-] bcm47xx_wdt.h [edit]
[-] irqhandler.h [edit]
[-] fwnode.h [edit]
[-] mc6821.h [edit]
[-] fwnode_mdio.h [edit]
[-] buildid.h [edit]
[-] amd-pmf-io.h [edit]
[+] irqchip
[-] netdevice.h [edit]
[-] root_dev.h [edit]
[-] leds-lp3952.h [edit]
[-] f75375s.h [edit]
[-] nl802154.h [edit]
[-] if_vlan.h [edit]
[-] list_bl.h [edit]
[-] elfnote-lto.h [edit]
[-] mdio-mux.h [edit]
[-] dma-fence-chain.h [edit]
[-] workqueue.h [edit]
[-] delayacct.h [edit]
[-] spinlock_types.h [edit]
[-] smp_types.h [edit]
[-] interval_tree.h [edit]
[-] oom.h [edit]
[-] phy_link_topology.h [edit]
[-] sysfb.h [edit]
[-] crc32.h [edit]
[-] mbus.h [edit]
[-] indirect_call_wrapper.h [edit]
[-] netfilter_bridge.h [edit]
[-] percpu-refcount.h [edit]
[-] cookie.h [edit]
[-] flex_proportions.h [edit]
[-] sonet.h [edit]
[-] entry-kvm.h [edit]
[-] migrate.h [edit]
[-] leds-ti-lmu-common.h [edit]
[-] map_benchmark.h [edit]
[-] kthread.h [edit]
[-] t10-pi.h [edit]
[-] dlm_plock.h [edit]
[-] vdpa.h [edit]
[-] spmi.h [edit]
[-] joystick.h [edit]
[-] rodata_test.h [edit]
[-] i2c-dev.h [edit]
[-] irq.h [edit]
[-] dma-mapping.h [edit]
[-] inet_diag.h [edit]
[-] blk-crypto.h [edit]
[-] fileattr.h [edit]
[-] stmmac.h [edit]
[-] pci-epf.h [edit]
[-] seqlock_types.h [edit]
[-] entry-common.h [edit]
[-] hwmon-sysfs.h [edit]
[-] moxtet.h [edit]
[-] ppp-comp.h [edit]
[-] cordic.h [edit]
[-] eisa.h [edit]
[-] reset.h [edit]
[-] pcs-lynx.h [edit]
[+] netfilter
[-] mxm-wmi.h [edit]
[-] generic-radix-tree.h [edit]
[-] llist.h [edit]
[-] dma-buf.h [edit]
[-] bitfield.h [edit]
[-] vt_kern.h [edit]
[-] consolemap.h [edit]
[-] module_symbol.h [edit]
[-] jbd2.h [edit]
[-] bit_spinlock.h [edit]
[-] dasd_mod.h [edit]
[-] ipmi_smi.h [edit]
[-] seqno-fence.h [edit]
[-] rcupdate.h [edit]
[-] netpoll.h [edit]
[-] llist_api.h [edit]
[-] badblocks.h [edit]
[-] libps2.h [edit]
[-] visorbus.h [edit]
[-] swap_slots.h [edit]
[-] rtnetlink.h [edit]
[-] mm_inline.h [edit]
[-] trace.h [edit]
[-] xarray.h [edit]
[-] seq_file.h [edit]
[-] hugetlb_inline.h [edit]
[-] pid.h [edit]
[-] libfdt.h [edit]
[-] wait_api.h [edit]
[-] siox.h [edit]
[-] omap-mailbox.h [edit]
[-] uuid.h [edit]
[-] parman.h [edit]
[-] nfs_page.h [edit]
[-] util_macros.h [edit]
[-] psp-platform-access.h [edit]
[-] rcutree.h [edit]
[-] mailbox_controller.h [edit]
[-] cgroup_rdma.h [edit]
[-] static_call_types.h [edit]
[-] memfd.h [edit]
[-] lz4.h [edit]
[-] omapfb.h [edit]
[-] base64.h [edit]
[-] termios_internal.h [edit]
[-] led-class-multicolor.h [edit]
[-] hwspinlock.h [edit]
[-] cfi.h [edit]
[-] seq_file_net.h [edit]
[-] misc_cgroup.h [edit]
[-] string_helpers.h [edit]
[-] sxgbe_platform.h [edit]
[-] clockchips.h [edit]
[-] tty_buffer.h [edit]
[-] tca6416_keypad.h [edit]
[-] brcmphy.h [edit]
[-] scs.h [edit]
[-] sock_diag.h [edit]
[-] freezer.h [edit]
[-] netfilter.h [edit]
[-] zconf.h [edit]
[-] stackdepot.h [edit]
[-] build-salt.h [edit]
[-] seg6.h [edit]
[-] cm4000_cs.h [edit]
[-] gameport.h [edit]
[-] tpm_svsm.h [edit]
[-] hpet.h [edit]
[-] pata_arasan_cf_data.h [edit]
[-] restart_block.h [edit]
[-] nfs_fs.h [edit]
[-] of_fdt.h [edit]
[-] mem_encrypt.h [edit]
[-] dpll.h [edit]
[-] proc_fs.h [edit]
[-] ahci-remap.h [edit]
[-] topology.h [edit]
[-] ssbi.h [edit]
[-] randomize_kstack.h [edit]
[-] configfs.h [edit]
[-] iscsi_boot_sysfs.h [edit]
[-] netfs.h [edit]
[-] security.h [edit]
[-] bpf_lsm.h [edit]
[-] spinlock_rt.h [edit]
[+] soundwire
[-] acpi_viot.h [edit]
[-] cn_proc.h [edit]
[-] genl_magic_struct.h [edit]
[-] thermal.h [edit]
[-] scatterlist.h [edit]
[-] ahci_platform.h [edit]
[-] dma-resv.h [edit]
[-] spinlock_api_up.h [edit]
[-] backing-dev-defs.h [edit]
[-] hash.h [edit]
[-] pvclock_gtod.h [edit]
[-] kconfig.h [edit]
[+] mmc
[-] uidgid.h [edit]
[-] s3c_adc_battery.h [edit]
[-] cdrom.h [edit]
[-] parport_pc.h [edit]
[-] random.h [edit]
[-] fscache.h [edit]
[-] watch_queue.h [edit]
[-] tty_ldisc.h [edit]
[-] btree-128.h [edit]
[-] mm_types.h [edit]
[-] pwm_backlight.h [edit]
[-] usbdevice_fs.h [edit]
[-] libfdt_env.h [edit]
[-] firmware.h [edit]
[-] miscdevice.h [edit]
[-] kmsan_string.h [edit]
[-] threads.h [edit]
[-] mpi.h [edit]
[-] ip.h [edit]
[-] kbd_diacr.h [edit]
[+] regulator
[-] jz4740-adc.h [edit]
[-] bma150.h [edit]
[-] bio.h [edit]
[-] bpf_lirc.h [edit]
[-] nvme-fc-driver.h [edit]
[-] rmi.h [edit]
[-] ds2782_battery.h [edit]
[-] mhi_ep.h [edit]
[-] tick.h [edit]
[-] isa.h [edit]
[-] srcutiny.h [edit]
[-] cnt32_to_63.h [edit]
[-] extcon.h [edit]
[-] intel_vsec.h [edit]
[-] etherdevice.h [edit]
[-] apple_bl.h [edit]
[-] of_platform.h [edit]
[-] iommu-dma.h [edit]
[+] pse-pd
[-] dm-verity-loadpin.h [edit]
[-] nfs_fs_sb.h [edit]
[-] flat.h [edit]
[-] libnvdimm.h [edit]
[-] fsl_devices.h [edit]
[-] scc.h [edit]
[-] olpc-ec.h [edit]
[+] avf
[-] auto_dev-ioctl.h [edit]
[-] ioprio.h [edit]
[-] compiler-gcc.h [edit]
[-] sh_clk.h [edit]
[-] spinlock_api.h [edit]
[-] init_task.h [edit]
[-] sys.h [edit]
[-] virtio_dma_buf.h [edit]
[-] once_lite.h [edit]
[-] ascii85.h [edit]
[-] lockdep_api.h [edit]
[-] dns_resolver.h [edit]
[-] transport_class.h [edit]
[-] if_pppol2tp.h [edit]
[-] devfreq_cooling.h [edit]
[-] pm.h [edit]
[-] mroute6.h [edit]
[-] kernel.h [edit]
[-] module.h [edit]
[-] scpi_protocol.h [edit]
[-] io-64-nonatomic-hi-lo.h [edit]
[-] counter.h [edit]
[-] dtlk.h [edit]
[-] devm-helpers.h [edit]
[-] rwlock_rt.h [edit]
[-] ratelimit_types.h [edit]
[-] kmsg_dump.h [edit]
[-] memcontrol.h [edit]
[-] pstore.h [edit]
[+] mlx5
[-] scx200.h [edit]
[-] rational.h [edit]
[-] fwctl.h [edit]
[-] filter.h [edit]
[+] remoteproc
[-] l2tp.h [edit]
[-] rio_drv.h [edit]
[-] lis3lv02d.h [edit]
[-] aer.h [edit]
[-] string_choices.h [edit]
[-] ata.h [edit]
[-] stdarg.h [edit]
[-] phylib_stubs.h [edit]
[-] pgtable_api.h [edit]
[-] local_lock_internal.h [edit]
[-] gcd.h [edit]
[-] stringhash.h [edit]
[-] icmpv6.h [edit]
[-] bpf_trace.h [edit]
[-] arm_sdei.h [edit]
[-] nvme-tcp.h [edit]
[-] min_heap.h [edit]
[-] drbd_genl_api.h [edit]
[-] stmp3xxx_rtc_wdt.h [edit]
[-] pm_domain.h [edit]
[-] prime_numbers.h [edit]
[-] if_fddi.h [edit]
[-] ucb1400.h [edit]
[-] mnt_namespace.h [edit]
[-] if_macvlan.h [edit]
[-] posix-clock.h [edit]
[-] isapnp.h [edit]
[-] pm_opp.h [edit]
[-] memory.h [edit]
[-] if_link.h [edit]
[-] vt.h [edit]
[-] libgcc.h [edit]
[-] tifm.h [edit]
[-] rcu_node_tree.h [edit]
[-] mISDNif.h [edit]
[-] tracepoint-defs.h [edit]
[-] wm97xx.h [edit]
[-] nfsacl.h [edit]
[-] exportfs.h [edit]
[-] skb_array.h [edit]
[-] i2c-mux.h [edit]
[-] filelock.h [edit]
[-] errqueue.h [edit]
[-] of_graph.h [edit]
[-] of_mdio.h [edit]
[-] nospec.h [edit]
[-] tracefs.h [edit]
[-] jiffies.h [edit]
[-] dca.h [edit]
[-] i2c-algo-pca.h [edit]
[-] igmp.h [edit]
[-] edd.h [edit]
[+] decompress
[-] isa-dma.h [edit]
[-] wwan.h [edit]
[-] numa.h [edit]
[-] spinlock_api_smp.h [edit]
[-] 8250_pci.h [edit]
[-] ipv6_route.h [edit]
[-] dma-map-ops.h [edit]
[-] minmax.h [edit]
[-] if_tunnel.h [edit]
[-] devcoredump.h [edit]
[-] via-core.h [edit]
[-] bootmem_info.h [edit]
[+] device
[-] kmsan-checks.h [edit]
[-] user.h [edit]
[-] most.h [edit]
[-] sony-laptop.h [edit]
[+] fsl
[+] mdio
[-] ww_mutex.h [edit]
[-] workqueue_api.h [edit]
[-] seq_buf.h [edit]
[+] isdn
[-] io_uring.h [edit]
[-] kmod.h [edit]
[-] rculist.h [edit]
[-] regset.h [edit]
[-] logic_pio.h [edit]
[-] mman.h [edit]
[-] memblock.h [edit]
[-] if_tun.h [edit]
[+] extcon
[-] dmi.h [edit]
[-] union_find.h [edit]
[-] page_idle.h [edit]
[-] page_reporting.h [edit]
[-] openvswitch.h [edit]
[-] if_eql.h [edit]
[-] cgroup.h [edit]
[-] atm_tcp.h [edit]
[-] pci-doe.h [edit]
[-] nls.h [edit]
[-] led-lm3530.h [edit]
[-] iversion.h [edit]
[-] kmemleak.h [edit]
[-] rhashtable.h [edit]
[-] tsacct_kern.h [edit]
[-] coresight-stm.h [edit]
[-] smscphy.h [edit]
[-] smc911x.h [edit]
[-] watchdog.h [edit]
[-] kcov.h [edit]
[-] dm-region-hash.h [edit]
[-] sysrq.h [edit]
[-] wmi.h [edit]
[-] clk.h [edit]
[-] bitmap.h [edit]
[-] smp.h [edit]
[-] hashtable.h [edit]
[-] adreno-smmu-priv.h [edit]
[-] videodev2.h [edit]
[-] taskstats_kern.h [edit]
[-] errname.h [edit]
[-] array_size.h [edit]
[-] objtool_types.h [edit]
[-] if_team.h [edit]
[+] io_uring
[-] device-mapper.h [edit]
[-] blk_types.h [edit]
[-] async.h [edit]
[-] audit.h [edit]
[-] blk-mq.h [edit]
[-] damon.h [edit]
[+] power
[-] vmw_vmci_defs.h [edit]
[-] acpi_pmtmr.h [edit]
[-] pldmfw.h [edit]
[-] journal-head.h [edit]
[-] swapops.h [edit]
[-] ipmi.h [edit]
[-] kref_api.h [edit]
[-] netfilter_ipv6.h [edit]
[-] nfs3.h [edit]
[-] padata.h [edit]
[-] cred.h [edit]
[-] syscalls.h [edit]
[-] srcu.h [edit]
[-] ntb_transport.h [edit]
[-] apm_bios.h [edit]
[-] efi.h [edit]
[-] elf.h [edit]
[-] ntb.h [edit]
[-] lsm_hooks.h [edit]
[-] altera_uart.h [edit]
[-] uio.h [edit]
[-] nubus.h [edit]
[-] jhash.h [edit]
[-] iommufd.h [edit]
[-] align.h [edit]
[-] fsnotify_backend.h [edit]
[-] screen_info.h [edit]
[-] devfreq.h [edit]
[-] synclink.h [edit]
[-] vmpressure.h [edit]
[-] spinlock_types_raw.h [edit]
[-] rcutiny.h [edit]
[-] kexec.h [edit]
[-] netlink.h [edit]
[-] xxhash.h [edit]
[-] unroll.h [edit]
[-] scmi_protocol.h [edit]
[-] srcutree.h [edit]
[-] stm.h [edit]
[-] utsname.h [edit]
[-] ring_buffer.h [edit]
[-] pm_wakeup.h [edit]
[-] initrd.h [edit]
[-] dma-direct.h [edit]
[-] micrel_phy.h [edit]
[-] latencytop.h [edit]
[-] phonet.h [edit]
[-] mv643xx_i2c.h [edit]
[-] packing.h [edit]
[-] lcd.h [edit]
[-] tpm.h [edit]
[-] dm-io.h [edit]
[-] dqblk_v2.h [edit]
[-] local_lock.h [edit]
[-] of_reserved_mem.h [edit]
[-] host1x_context_bus.h [edit]
[-] sdb.h [edit]
[-] path.h [edit]
[-] async_tx.h [edit]
[-] rslib.h [edit]
[-] limits.h [edit]
[-] shdma-base.h [edit]
[-] cb710.h [edit]
[-] hardirq.h [edit]
[-] fsi-sbefifo.h [edit]
[-] group_cpus.h [edit]
[-] hid-over-i2c.h [edit]
[-] nodemask.h [edit]
[-] of_address.h [edit]
[-] posix_acl_xattr.h [edit]
[-] atomic.h [edit]
[-] find.h [edit]
[-] mpls_iptunnel.h [edit]
[+] platform_data
[-] compaction.h [edit]
[-] eeprom_93cx6.h [edit]
[-] zorro.h [edit]
[-] timb_dma.h [edit]
[-] interval_tree_generic.h [edit]
[-] pda_power.h [edit]
[-] kobject_api.h [edit]
[-] lru_cache.h [edit]
[-] libata.h [edit]
[-] earlycpio.h [edit]
[-] debug_locks.h [edit]
[-] maple.h [edit]
[-] cpuidle.h [edit]
[-] fs_types.h [edit]
[+] firmware
[-] ksm.h [edit]
[-] backlight.h [edit]
[-] pagevec.h [edit]
[-] goldfish.h [edit]
[-] mpls.h [edit]
[-] connector.h [edit]
[-] instrumentation.h [edit]
[-] zswap.h [edit]
[-] fs_context.h [edit]
[-] gpio_keys.h [edit]
[-] qnx6_fs.h [edit]
[-] sunxi-rsb.h [edit]
[-] msg.h [edit]
[-] intel_rapl.h [edit]
[-] surface_acpi_notify.h [edit]
[-] bpf_mprog.h [edit]
[-] eeprom_93xx46.h [edit]
[-] khugepaged.h [edit]
[-] cuda.h [edit]
[-] hmm.h [edit]
[-] hil_mlc.h [edit]
[-] pm-trace.h [edit]
[-] intel_tpmi.h [edit]
[-] preempt.h [edit]
[-] zlib.h [edit]
[-] dma-fence-unwrap.h [edit]
[-] container_of.h [edit]
[-] ns_common.h [edit]
[-] pl320-ipc.h [edit]
[-] pti.h [edit]
[-] eventfd.h [edit]
[-] pkeys.h [edit]
[-] leds.h [edit]
[-] fd.h [edit]
[-] irqflags.h [edit]
[-] nvram.h [edit]
[-] trace_clock.h [edit]
[-] tboot.h [edit]
[-] unicode.h [edit]
[-] irqdomain_defs.h [edit]
[-] sched_clock.h [edit]
[-] seccomp.h [edit]
[-] quotaops.h [edit]
[-] cfi_types.h [edit]
[-] firmware-map.h [edit]
[-] vermagic.h [edit]
[-] uaccess.h [edit]
[-] sm501-regs.h [edit]
[-] hid-roccat.h [edit]
[-] list_sort.h [edit]
[-] linear_range.h [edit]
[-] sram.h [edit]
[+] mux
[-] elfnote.h [edit]
[-] anon_inodes.h [edit]
[-] fs_api.h [edit]
[-] page_ref.h [edit]
[-] tracehook.h [edit]
[+] atomic
[-] rmap.h [edit]
[-] mpage.h [edit]
[-] if_ether.h [edit]
[-] instruction_pointer.h [edit]
[-] davinci_emac.h [edit]
[-] pci_ids.h [edit]
[-] ethtool_netlink.h [edit]
[-] virtio_pci_legacy.h [edit]
[-] cleanup.h [edit]
[-] mii_timestamper.h [edit]
[-] dim.h [edit]
[-] efs_vh.h [edit]
[-] bio-integrity.h [edit]
[-] parser.h [edit]
[-] refcount_api.h [edit]
[-] vga_switcheroo.h [edit]
[-] reset-controller.h [edit]
[-] average.h [edit]
[-] pm_wakeirq.h [edit]
[-] crc8.h [edit]
[-] trace_seq.h [edit]
[-] of_dma.h [edit]
[-] fixp-arith.h [edit]
[-] bpf_verifier.h [edit]
[-] ptr_ring.h [edit]
[-] cma.h [edit]
[-] drbd_genl.h [edit]
[-] nvme-rdma.h [edit]
[-] ftrace_irq.h [edit]
[-] sh_timer.h [edit]
[-] pmu.h [edit]
[-] writeback.h [edit]
[-] i2c.h [edit]
[-] bits.h [edit]
[-] inetdevice.h [edit]
[-] mmzone.h [edit]
[-] bcd.h [edit]
[-] zstd_lib.h [edit]
[-] blk-crypto-profile.h [edit]
[-] fsi.h [edit]
[-] uacce.h [edit]
[-] elf-fdpic.h [edit]
[-] fsi-occ.h [edit]
[+] surface_aggregator
[-] yam.h [edit]
[-] set_memory.h [edit]
[-] timekeeping.h [edit]
[-] prmt.h [edit]
[-] dev_printk.h [edit]
[-] extcon-provider.h [edit]
[-] selection.h [edit]
[-] smsc911x.h [edit]
[-] uts.h [edit]
[+] spi
[-] pxa168_eth.h [edit]
[-] aperture.h [edit]
[-] leds-lp3944.h [edit]
[-] serial_s3c.h [edit]
[-] mv643xx_eth.h [edit]
[-] ihex.h [edit]
[-] hugetlb.h [edit]
[-] toshiba.h [edit]
[-] lsm_audit.h [edit]
[-] virtio_byteorder.h [edit]
[-] console_struct.h [edit]
[-] if_bridge.h [edit]
[-] bitrev.h [edit]
[-] vm_event_item.h [edit]
[-] statfs.h [edit]
[-] clocksource.h [edit]
[-] parport.h [edit]
[-] fscrypt.h [edit]
[-] cpuidle_haltpoll.h [edit]
[-] textsearch_fsm.h [edit]
[-] fcntl.h [edit]
[-] build_bug.h [edit]
[-] icmp.h [edit]
[-] swiotlb.h [edit]
[-] cciss_ioctl.h [edit]
[-] smpboot.h [edit]
[-] page_owner.h [edit]
[-] leds-pca9532.h [edit]
[-] zstd.h [edit]
[-] ptrace.h [edit]
[-] dlm.h [edit]
[-] umh.h [edit]
[-] glob.h [edit]
[-] swapfile.h [edit]
[-] blkdev.h [edit]
[-] crc64.h [edit]
[-] buffer_head.h [edit]
[-] input.h [edit]
[-] sys_soc.h [edit]
[-] adb.h [edit]
[-] atmel-ssc.h [edit]
[-] efi-bgrt.h [edit]
[-] greybus.h [edit]
[-] lockdep.h [edit]
[-] syslog.h [edit]
[-] altera_jtaguart.h [edit]
[-] stackprotector.h [edit]
[-] err.h [edit]
[-] powercap.h [edit]
[-] virtio_console.h [edit]
[-] psci.h [edit]
[-] ctype.h [edit]
[-] pktcdvd.h [edit]
[-] usb.h [edit]
[-] cache.h [edit]
[-] stringify.h [edit]
[-] virtio_config.h [edit]
[-] bcm47xx_nvram.h [edit]
[-] socket.h [edit]
[-] adfs_fs.h [edit]
[-] stat.h [edit]
[-] hidraw.h [edit]
[-] mmdebug.h [edit]
[-] ethtool.h [edit]
[-] refcount.h [edit]
[-] console.h [edit]
[-] static_key.h [edit]
[-] sctp.h [edit]
[-] pnfs_osd_xdr.h [edit]
[-] irqnr.h [edit]
[-] slab.h [edit]
[-] fortify-string.h [edit]
[-] cfag12864b.h [edit]
[-] rwlock_types.h [edit]
[-] extable.h [edit]
[-] rcuwait_api.h [edit]
[-] interrupt.h [edit]
[-] irqbypass.h [edit]
[-] swap_cgroup.h [edit]
[-] irqchip.h [edit]
[-] kvm_para.h [edit]
[-] dm-dirty-log.h [edit]
[-] if_pppox.h [edit]
[-] iommu.h [edit]
[-] nvme.h [edit]
[-] lcm.h [edit]
[-] sprintf.h [edit]
[-] io-mapping.h [edit]
[-] uprobes.h [edit]
[-] module_signature.h [edit]
[-] component.h [edit]
[-] resource_ext.h [edit]
[-] rwlock.h [edit]
[-] clkdev.h [edit]
[-] serial_core.h [edit]
[-] gpio-pxa.h [edit]
[-] pr.h [edit]
[-] of_gpio.h [edit]
[-] pstore_blk.h [edit]
[-] pruss_driver.h [edit]
[-] soundcard.h [edit]
[-] coredump.h [edit]
[-] nvmem-provider.h [edit]
[-] asn1_encoder.h [edit]
[-] memregion.h [edit]
[-] zpool.h [edit]
[-] kfence.h [edit]
[-] int_log.h [edit]
[-] list_lru.h [edit]
[-] ecryptfs.h [edit]
[-] dqblk_qtree.h [edit]
[-] cpumask_api.h [edit]
[-] kmsan.h [edit]
[-] if_rmnet.h [edit]
[-] device.h [edit]
[-] digsig.h [edit]
[-] kernel-page-flags.h [edit]
[-] cacheflush.h [edit]
[-] acpi.h [edit]
[-] w1-gpio.h [edit]
[+] greybus
[-] auxiliary_bus.h [edit]
[-] userfaultfd_k.h [edit]
[-] sysctl.h [edit]
[-] bpf-cgroup.h [edit]
[-] gfp_api.h [edit]
[-] elfcore-compat.h [edit]
[-] pci-ats.h [edit]
[-] linkmode.h [edit]
[-] cpuhotplug.h [edit]
[-] bpf_mem_alloc.h [edit]
[-] page-flags-layout.h [edit]
[-] dynamic_queue_limits.h [edit]
[-] ptp_classify.h [edit]
[-] i8253.h [edit]
[-] lapb.h [edit]
[-] led-class-flash.h [edit]
[-] dma-fence-array.h [edit]
[-] htcpld.h [edit]
[-] switchtec.h [edit]
[-] psi_types.h [edit]
[-] sh_dma.h [edit]
[-] msi.h [edit]
[-] fsl-diu-fb.h [edit]
[-] rethook.h [edit]
[-] perf_regs.h [edit]
[+] amba
[-] xattr.h [edit]
[-] acpi_mdio.h [edit]
[-] kvm_dirty_ring.h [edit]
[-] kref.h [edit]
[-] kmsan_types.h [edit]
[-] auto_fs.h [edit]
[-] bcm47xx_sprom.h [edit]
[-] signalfd.h [edit]
[-] kobj_map.h [edit]
[-] sync_file.h [edit]
[-] notifier.h [edit]
[-] ks8851_mll.h [edit]
[-] delayed_call.h [edit]
[-] tee_core.h [edit]
[-] swait.h [edit]
[-] projid.h [edit]
[-] pwm.h [edit]
[-] cgroup-defs.h [edit]
[-] bottom_half.h [edit]
[-] key.h [edit]
[-] virtio_net.h [edit]
[-] iopoll.h [edit]
[-] bcm963xx_tag.h [edit]
[-] kernel_stat.h [edit]
[-] cpu_cooling.h [edit]
[-] syscalls_api.h [edit]
[-] mempolicy.h [edit]
[-] fprobe.h [edit]
[-] linkage.h [edit]
[-] win_minmax.h [edit]
[-] balloon_compaction.h [edit]
[-] const.h [edit]
[-] vgaarb.h [edit]
[-] rwlock_api_smp.h [edit]
[-] ism.h [edit]
[+] rpmsg
[-] mm.h [edit]
[-] objtool.h [edit]
[-] timex.h [edit]
[-] timecounter.h [edit]
[-] time_namespace.h [edit]
[-] nsproxy.h [edit]
[-] iova_bitmap.h [edit]
[-] polynomial.h [edit]
[-] sm501.h [edit]
[-] kbuild.h [edit]
[-] key-type.h [edit]
[-] timer.h [edit]
[-] iova.h [edit]
[-] seg6_local.h [edit]
[-] vtime.h [edit]
[-] rbtree_augmented.h [edit]
[-] panic.h [edit]
[-] llc.h [edit]
[-] cpu_rmap.h [edit]
[-] amd-iommu.h [edit]
[-] phy.h [edit]
[-] fs_enet_pd.h [edit]
[+] iio
[-] wl12xx.h [edit]
[-] alcor_pci.h [edit]
[-] stop_machine.h [edit]
[-] hp_sdc.h [edit]
[-] lwq.h [edit]
[-] bpf.h [edit]
[-] pim.h [edit]
[-] vt_buffer.h [edit]
[-] raid_class.h [edit]
[-] shmem_fs.h [edit]
[+] netfilter_bridge
[-] types.h [edit]
[-] of_net.h [edit]
[+] mtd
[-] bpf_types.h [edit]
[-] siphash.h [edit]
[-] inotify.h [edit]
[-] fips.h [edit]
[-] devpts_fs.h [edit]
[-] ucs2_string.h [edit]
[-] pci-p2pdma.h [edit]
[-] panic_notifier.h [edit]
[-] uio_driver.h [edit]
[-] crc-ccitt.h [edit]
[-] zsmalloc.h [edit]
[-] pe.h [edit]
[-] sed-opal.h [edit]
[-] shrinker.h [edit]
[-] c2port.h [edit]
[-] poll.h [edit]
[-] genl_magic_func.h [edit]
[-] ratelimit.h [edit]
[-] pps_kernel.h [edit]
[-] textsearch.h [edit]
[-] ieee802154.h [edit]
[-] reciprocal_div.h [edit]
[-] trace_recursion.h [edit]
[-] mISDNhw.h [edit]
[-] reboot.h [edit]
[-] ccp.h [edit]
[-] btree-type.h [edit]
[-] btrfs.h [edit]
[-] posix-timers.h [edit]
[-] fault-inject-usercopy.h [edit]
[-] kasan.h [edit]
[-] if_arp.h [edit]
[-] sort.h [edit]
[-] gpio.h [edit]
[-] fs_stack.h [edit]
[-] dm-kcopyd.h [edit]
[-] crash_dump.h [edit]
[-] start_kernel.h [edit]
[-] sonypi.h [edit]
[-] spinlock_types_up.h [edit]
[-] cdev.h [edit]
[-] w1.h [edit]
[-] slimbus.h [edit]
[-] pci-acpi.h [edit]
[-] percpu-defs.h [edit]
[-] workqueue_types.h [edit]
[-] assoc_array.h [edit]
[-] usb_usual.h [edit]
[-] linux_logo.h [edit]
[-] z2_battery.h [edit]
[-] math.h [edit]
[-] agp_backend.h [edit]
[-] kdev_t.h [edit]
[-] user-return-notifier.h [edit]
[-] slab_def.h [edit]
[-] quota.h [edit]
[-] of_irq.h [edit]
[-] dmaengine.h [edit]
[-] mdio.h [edit]
[+] sunrpc
[-] errno.h [edit]
[-] fec.h [edit]
[-] drbd_config.h [edit]
[-] kernel_read_file.h [edit]
[-] u64_stats_sync_api.h [edit]
[+] pinctrl
[-] kfifo.h [edit]
[-] capability.h [edit]
[-] bpf-cgroup-defs.h [edit]
[-] highmem.h [edit]
[-] mutex.h [edit]
[-] ipack.h [edit]
[-] timer_types.h [edit]
[-] rcu_segcblist.h [edit]
[-] seqlock.h [edit]
[-] bch.h [edit]
[-] hil.h [edit]
[-] ptp_clock_kernel.h [edit]
[-] arm_ffa.h [edit]
[+] mlx4
[-] hyperv.h [edit]
[-] kasan-checks.h [edit]
[-] plist.h [edit]
[-] pipe_fs_i.h [edit]
[-] firewire.h [edit]
[-] ima.h [edit]
[-] if_tap.h [edit]
[-] coresight.h [edit]
[-] sed-opal-key.h [edit]
[-] property.h [edit]
[-] net_tstamp.h [edit]
[+] soc
[-] nfs_ssc.h [edit]
[-] nvme-keyring.h [edit]
[-] hid.h [edit]
[-] netfilter_ipv4.h [edit]
[-] stddef.h [edit]
[-] hid-sensor-ids.h [edit]
[-] intel-ish-client-if.h [edit]
[-] kobject.h [edit]
[-] psi.h [edit]
[-] cpu_smt.h [edit]
[-] iosys-map.h [edit]
[-] ext2_fs.h [edit]
[-] acpi_dma.h [edit]
[-] btf_ids.h [edit]
[-] mvebu-pmsu.h [edit]
[-] dma-fence.h [edit]
[-] of_iommu.h [edit]
[-] kvm_types.h [edit]
[-] fb.h [edit]
[-] coresight-pmu.h [edit]
[-] svga.h [edit]
[-] mei_aux.h [edit]
[+] reset
[-] swait_api.h [edit]
[-] vme.h [edit]
[-] remoteproc.h [edit]
[-] pstore_zone.h [edit]
[-] cpu.h [edit]
[-] i8042.h [edit]
[-] vmw_vmci_api.h [edit]
[-] atmel_pdc.h [edit]
[-] platform_profile.h [edit]
[-] asn1_ber_bytecode.h [edit]
[-] nmi.h [edit]
[-] rcupdate_wait.h [edit]
[+] qat
[-] fw_table.h [edit]
[-] seg6_genl.h [edit]
[-] device_cgroup.h [edit]
[-] tty_port.h [edit]
[-] tcp.h [edit]
[-] irqdesc.h [edit]
[-] edac.h [edit]
[-] coda.h [edit]
[-] fsnotify.h [edit]
[-] pci.h [edit]
[-] seqlock_api.h [edit]
[-] timerqueue.h [edit]
[-] mmu_notifier.h [edit]
[-] msdos_fs.h [edit]
[+] qed
[-] virtio.h [edit]
[-] pmbus.h [edit]
[-] percpu_counter.h [edit]
[-] hid_bpf.h [edit]
[-] dmapool.h [edit]
[-] time64.h [edit]
[-] sbitmap.h [edit]
[-] fbcon.h [edit]
[-] pci-dma-compat.h [edit]
[-] iscsi_ibft.h [edit]
[-] pfn_t.h [edit]
[-] serial_bcm63xx.h [edit]
[-] context_tracking_state.h [edit]
[-] cpuhplock.h [edit]
[-] seg6_iptunnel.h [edit]
[-] xz.h [edit]
[-] fscache-cache.h [edit]
[-] apple-gmux.h [edit]
[-] efi_embedded_fw.h [edit]
[-] io-pgtable.h [edit]
[-] nfs_iostat.h [edit]
[-] timerfd.h [edit]
[-] hwmon-vid.h [edit]
[-] hid-sensor-hub.h [edit]
[-] zutil.h [edit]
[-] jump_label.h [edit]
[-] atm.h [edit]
[-] sync_core.h [edit]
[-] rculist_bl.h [edit]
[-] ipv6.h [edit]
[-] hrtimer.h [edit]
[-] syscall_user_dispatch.h [edit]
[-] sunserialcore.h [edit]
[+] clk
[-] blk-cgroup.h [edit]
[-] atmel-isc-media.h [edit]
[-] msdos_partition.h [edit]
[-] skmsg.h [edit]
[-] devfreq-event.h [edit]
[-] ti_wilink_st.h [edit]
[-] lockdep_types.h [edit]
[-] usermode_driver.h [edit]
[-] tpm_eventlog.h [edit]
[-] hdmi.h [edit]
[-] futex.h [edit]
[-] pfn.h [edit]
[-] ras.h [edit]
[-] crc16.h [edit]
[-] kernfs.h [edit]
[-] serial.h [edit]
[-] hippidevice.h [edit]
[-] lp.h [edit]
[-] ptp_mock.h [edit]
[-] bsg.h [edit]
[-] processor.h [edit]
[-] apm-emulation.h [edit]
[+] mailbox
[-] armada-37xx-rwtm-mailbox.h [edit]
[-] patchkey.h [edit]
[-] freelist.h [edit]
[-] serdev.h [edit]
[-] mmap_lock.h [edit]
[-] spinlock.h [edit]
[-] fault-inject.h [edit]
[-] msi_api.h [edit]
[-] sound.h [edit]
[-] vhost_iotlb.h [edit]
[-] proc_ns.h [edit]
[-] crc-itu-t.h [edit]
[-] delay.h [edit]
[-] shm.h [edit]
[+] mfd
[-] power_supply.h [edit]
[-] platform_device.h [edit]
[-] rtmutex.h [edit]
[-] ipc.h [edit]
[-] mv643xx.h [edit]
[-] maple_tree.h [edit]
[-] page_table_check.h [edit]
[-] cacheinfo.h [edit]
[-] rfkill.h [edit]
[-] rcuref.h [edit]
[-] cpufeature.h [edit]
[-] mmiotrace.h [edit]
[-] semaphore.h [edit]
[-] wkup_m3_ipc.h [edit]
[-] pagemap.h [edit]
[-] mailbox_client.h [edit]
[-] sw842.h [edit]
[-] sockptr.h [edit]
[-] dma-heap.h [edit]
[-] leds-bd2802.h [edit]
[-] intel_th.h [edit]
[-] auxvec.h [edit]
[-] imx-media.h [edit]
[-] thread_info.h [edit]
[-] serial_max3100.h [edit]
[-] mroute_base.h [edit]
[-] cgroup_api.h [edit]
[-] vfio_pci_core.h [edit]
[-] hte.h [edit]
[+] can
[-] i2c-smbus.h [edit]
[-] jump_label_ratelimit.h [edit]
[-] energy_model.h [edit]
[-] pm_runtime.h [edit]
[-] static_call.h [edit]
[-] genalloc.h [edit]
[-] fddidevice.h [edit]
[-] fsldma.h [edit]
[-] poison.h [edit]
[+] sched
[-] fs_struct.h [edit]
[-] hw_random.h [edit]
[-] getcpu.h [edit]
[-] hw_breakpoint.h [edit]
[-] zstd_errors.h [edit]
[-] fsverity.h [edit]
[-] dax.h [edit]
[-] in.h [edit]
[-] if_phonet.h [edit]
[-] livepatch.h [edit]
[-] keyboard.h [edit]
[-] drbd_limits.h [edit]
[-] virtio_ring.h [edit]
[-] nfs_fs_i.h [edit]
[-] crc32poly.h [edit]
[-] udp.h [edit]
[-] signal.h [edit]
[-] iocontext.h [edit]
[-] nitro_enclaves.h [edit]
[+] phy
[-] lantiq.h [edit]
[-] compiler.h [edit]
[+] ssb
[-] osq_lock.h [edit]
[-] hrtimer_defs.h [edit]
[-] pci-ep-cfs.h [edit]
[-] irqreturn.h [edit]
[-] blockgroup_lock.h [edit]
[-] wireless.h [edit]
[-] vfs.h [edit]
[-] init.h [edit]
[-] pci-tph.h [edit]
[-] dm-bufio.h [edit]
[-] irq_work.h [edit]
[-] i2c-algo-bit.h [edit]
[-] sungem_phy.h [edit]
[-] mISDNdsp.h [edit]
[-] hid-debug.h [edit]
[-] cs5535.h [edit]
[-] of.h [edit]
[-] dma-direction.h [edit]
[-] rculist_nulls.h [edit]
[+] i3c
[-] tegra-icc.h [edit]
[-] error-injection.h [edit]
[-] clocksource_ids.h [edit]
[+] pcs
[-] file.h [edit]
[-] overflow.h [edit]
[-] wait_bit.h [edit]
[+] rtc
[-] timb_gpio.h [edit]
[-] sh_intc.h [edit]
[-] sysv_fs.h [edit]
[-] task_io_accounting_ops.h [edit]
[-] kbd_kern.h [edit]
[-] netdev_features.h [edit]
[-] dtpm.h [edit]
[-] cper.h [edit]
[-] if_hsr.h [edit]
[-] rtsx_usb.h [edit]
[-] irqdomain.h [edit]
[-] string.h [edit]
[-] rwbase_rt.h [edit]
[-] percpu-rwsem.h [edit]
[-] context_tracking.h [edit]
[-] ioremap.h [edit]
[-] memory_hotplug.h [edit]
[-] pci-epc.h [edit]
[-] io_uring_types.h [edit]
[-] alarmtimer.h [edit]
[+] raid
[-] acct.h [edit]
[-] page_counter.h [edit]
[-] page_ext.h [edit]
[-] perf_event.h [edit]
[-] bsearch.h [edit]
[-] dqblk_v1.h [edit]
[-] pageblock-flags.h [edit]
[-] mii.h [edit]
[-] page-isolation.h [edit]
[-] kernelcapi.h [edit]
[-] elf-randomize.h [edit]
[-] resctrl.h [edit]
[-] fs_pin.h [edit]
[-] crc32c.h [edit]
[-] smc91x.h [edit]
[+] lockd
[-] thunderbolt.h [edit]
[-] kvm_irqfd.h [edit]
[-] hiddev.h [edit]
[-] pid_namespace.h [edit]
[-] kallsyms.h [edit]
[-] inet.h [edit]
[-] sfp.h [edit]
[-] tracepoint.h [edit]
[-] serio.h [edit]
[-] fs_parser.h [edit]
[-] completion.h [edit]
[-] moduleloader.h [edit]
[-] acpi_iort.h [edit]
[+] netfilter_ipv6
[-] dm9000.h [edit]
[-] vexpress.h [edit]
[-] task_io_accounting.h [edit]
[-] io.h [edit]
[-] phylink.h [edit]
[-] fsl_hypervisor.h [edit]
[-] swab.h [edit]
[-] hdlc.h [edit]
[-] resume_user_mode.h [edit]
[-] microchipphy.h [edit]
[-] iomap.h [edit]
[-] relay.h [edit]
[-] bitops.h [edit]
[-] of_clk.h [edit]
[-] securebits.h [edit]
[-] part_stat.h [edit]
[-] tee_drv.h [edit]
[-] dw_apb_timer.h [edit]
[-] asn1.h [edit]
[-] nvme-fc.h [edit]
[-] profile.h [edit]
[-] tfrc.h [edit]
[-] tty.h [edit]
[-] vmstat.h [edit]
[-] tpm_command.h [edit]
[-] objagg.h [edit]
[-] mutex_types.h [edit]
[-] interconnect-provider.h [edit]
[-] pm_qos.h [edit]
[-] pagewalk.h [edit]
[-] iommu-helper.h [edit]
[-] vlynq.h [edit]
[+] dma
[-] btf.h [edit]
[-] mcb.h [edit]
[-] rbtree_types.h [edit]
[-] pci_hotplug.h [edit]
[-] mhi.h [edit]
[-] kprobes.h [edit]
[-] of_pdt.h [edit]
[-] nfs.h [edit]
[-] hugetlb_cgroup.h [edit]
[+] fpga
[-] mutex_api.h [edit]
[-] sizes.h [edit]
[-] bootconfig.h [edit]
[+] unaligned
[-] pch_dma.h [edit]
[-] crypto.h [edit]
[-] rh_kabi.h [edit]
[-] fanotify.h [edit]
[-] units.h [edit]
[-] f2fs_fs.h [edit]
[-] dnotify.h [edit]
[-] rbtree_latch.h [edit]
[-] compat.h [edit]
[-] irq_poll.h [edit]
[-] klist.h [edit]
[-] lsm_hook_defs.h [edit]
[-] ramfs.h [edit]
[-] nfs4.h [edit]
[-] acpi_amd_wbrf.h [edit]
[-] blkpg.h [edit]
[-] audit_arch.h [edit]
[-] kasan-tags.h [edit]
[-] agpgart.h [edit]
[-] compiler-clang.h [edit]
[-] splice.h [edit]
[-] crash_core.h [edit]
[-] vmcore_info.h [edit]
[-] arch_topology.h [edit]
[-] mm_types_task.h [edit]
[-] compiler-version.h [edit]
[-] binfmts.h [edit]
[+] bcma
[-] timekeeper_internal.h [edit]
[-] syscore_ops.h [edit]
[-] kobject_ns.h [edit]
[-] drbd.h [edit]
[-] ioport.h [edit]
[-] idle_inject.h [edit]
[-] ks8842.h [edit]
[-] bsg-lib.h [edit]
[-] dcache.h [edit]
[-] rio.h [edit]
[-] net.h [edit]
[-] crc4.h [edit]
[-] pci-ecam.h [edit]
[-] rcupdate_trace.h [edit]
[-] dccp.h [edit]
[+] netfilter_arp
[-] memory-tiers.h [edit]
[+] input
[-] ts-nbus.h [edit]
[-] spinlock_up.h [edit]
[-] kvm_host.h [edit]
[-] omap-iommu.h [edit]
[-] vringh.h [edit]
[-] serial_sci.h [edit]
[-] pm_clock.h [edit]
[-] seg6_hmac.h [edit]
[-] netfilter_defs.h [edit]
[-] mbcache.h [edit]
[-] init_syscalls.h [edit]
[-] cxl_err.h [edit]
[-] u64_stats_sync.h [edit]
[-] memremap.h [edit]
[-] ptdump.h [edit]
[-] hid-over-spi.h [edit]
[-] jz4780-nemc.h [edit]
[-] time32.h [edit]
[-] mdio-bitbang.h [edit]
[-] psp-sev.h [edit]
[-] fdtable.h [edit]
[-] suspend.h [edit]
[-] ktime_api.h [edit]
[-] atmdev.h [edit]
[-] bcm963xx_nvram.h [edit]
[-] fiemap.h [edit]
[-] fsl_ifc.h [edit]
[-] asn1_decoder.h [edit]
[-] netfilter_netdev.h [edit]
[-] resource.h [edit]
[-] cpumask.h [edit]
[+] gpio
[-] hidden.h [edit]
[-] clk-provider.h [edit]
[-] elfcore.h [edit]
[-] bpfptr.h [edit]
[-] bpf_local_storage.h [edit]
[-] errseq.h [edit]
[+] perf
[-] ppp_defs.h [edit]
[-] marvell_phy.h [edit]
[-] psp-tee.h [edit]
[-] livepatch_sched.h [edit]
[-] rw_hint.h [edit]
[-] pnp.h [edit]
[-] kcore.h [edit]
[-] arm-cci.h [edit]
[-] rio_regs.h [edit]
[-] init_ohci1394_dma.h [edit]
[-] moduleparam.h [edit]
[-] backing-dev.h [edit]
[-] export.h [edit]
[-] highuid.h [edit]
[-] bpf-netns.h [edit]
[+] hsi
[-] fcdevice.h [edit]
[-] blktrace_api.h [edit]
[-] rcu_notifier.h [edit]
[-] hypervisor.h [edit]
[-] falloc.h [edit]
[+] net
[-] reboot-mode.h [edit]
[-] container.h [edit]
[-] dio.h [edit]
[-] kcsan-checks.h [edit]
[-] nvmem-consumer.h [edit]
[-] kdebug.h [edit]
[-] softirq.h [edit]
[-] personality.h [edit]
[-] nsc_gpio.h [edit]
[-] rtsx_common.h [edit]
[-] task_work.h [edit]
[-] sched.h [edit]
[-] litex.h [edit]
[-] secretmem.h [edit]
[-] nfs_xdr.h [edit]
[-] ptp_pch.h [edit]
[-] pgtable.h [edit]
[-] sysfs.h [edit]
[-] hrtimer_api.h [edit]
[-] pseudo_fs.h [edit]
[-] mempool.h [edit]
[-] via_i2c.h [edit]
[-] pxa2xx_ssp.h [edit]
[-] virtio_pci_modern.h [edit]
[-] log2.h [edit]
[-] highmem-internal.h [edit]
[-] host1x.h [edit]
[-] mc146818rtc.h [edit]
[-] dmar.h [edit]
[-] rcuwait.h [edit]
[-] assoc_array_priv.h [edit]
[-] vbox_utils.h [edit]
[-] scx200_gpio.h [edit]
[-] timeriomem-rng.h [edit]
[-] sh_eth.h [edit]
[-] counter_enum.h [edit]
[-] memstick.h [edit]
[-] torture.h [edit]
[-] math64.h [edit]
[-] blk-pm.h [edit]
[-] kasan-enabled.h [edit]
[-] intel_tcc.h [edit]
[-] oid_registry.h [edit]
[-] crc-t10dif.h [edit]
[-] ref_tracker.h [edit]
[-] rwsem.h [edit]
[-] bvec.h [edit]
[-] gnss.h [edit]
[-] ipc_namespace.h [edit]
[-] ndctl.h [edit]
[+] byteorder
[-] cgroup_refcnt.h [edit]
[-] compiler_types.h [edit]
[-] enclosure.h [edit]
[-] stackleak.h [edit]
[-] perf_event_api.h [edit]
[-] via-gpio.h [edit]
[+] ceph
[-] kern_levels.h [edit]
[-] cpufreq.h [edit]
[-] time.h [edit]
[-] superhyway.h [edit]
[+] crush
[-] debugfs.h [edit]
[-] scmi_imx_protocol.h [edit]
[-] of_pci.h [edit]
[-] hwmon.h [edit]
[-] virtio_vsock.h [edit]
[-] lzo.h [edit]
[-] of_device.h [edit]
[-] tty_driver.h [edit]
[-] circ_buf.h [edit]
[+] netfilter_ipv4
[-] ieee80211.h [edit]
[-] idr.h [edit]
[-] mod_devicetable.h [edit]
[-] tsm.h [edit]
[-] cc_platform.h [edit]
[-] integrity.h [edit]
[-] omap-gpmc.h [edit]
[-] mei_cl_bus.h [edit]
[-] ptp_kvm.h [edit]
[-] cpu_pm.h [edit]
[-] mtio.h [edit]
[-] irq_sim.h [edit]
[+] ulpi
[-] ptrace_api.h [edit]
[-] rcu_sync.h [edit]
[-] huge_mm.h [edit]
[-] user_namespace.h [edit]
[-] list_nulls.h [edit]
[-] kcsan.h [edit]
[-] prandom.h [edit]
[+] usb
[-] migrate_mode.h [edit]
[-] btree.h [edit]