folio_file_page identifier - Linux source code next-20260811

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FIXME
- FIXME
  - next-20260811

Documented in 1 files:

include/linux/pagemap.h, line 958

Defined in 1 files as a function:

include/linux/pagemap.h, line 968 (as a function)

Referenced in 17 files:

Smatch caller information:

fs/btrfs/verity.c btrfs_read_merkle_tree_page() -> folio_file_page()

Type	Parameter	Key	Value
PARAM_VALUE	0	folio	4096-ptr_max
DATA_SOURCE	1	index	$1
NOSPEC	1	index
NOSPEC	1	index
RX_PATH
TASK_NOT_RUNNING
USER_DATA	0	folio->mapping->writeback_index	0-524287[c]
USER_DATA	1	index	0-2251799814209534[c]
UNITS	1	index	unit_page

lib/iov_iter.c iov_iter_extract_xarray_pages() -> folio_file_page()

Type	Parameter	Key	Value
PARAM_VALUE	0	folio	1-1025,1027-1029,1031-u64max
CAPPED_DATA	0	folio	1
RX_PATH
TASK_NOT_RUNNING
LOCK2		rcu_read
HALF_LOCKED2		&tls_ctx->tx_lock
HALF_LOCKED2		sk

lib/iov_iter.c iter_xarray_populate_pages() -> folio_file_page()

Type	Parameter	Key	Value
PARAM_VALUE	0	folio	1-1025,1027-1029,1031-u64max
CAPPED_DATA	0	folio	1
RX_PATH
TASK_NOT_RUNNING
UNITS	1	index	unit_page
LOCK2		rcu_read

arch/x86/kvm/../../../virt/kvm/guest_memfd.c kvm_gmem_fault_user_mapping() -> folio_file_page()

Type	Parameter	Key	Value
PARAM_VALUE	0	folio	4096-ptr_max
DATA_SOURCE	0	folio	r kvm_gmem_get_folio
RX_PATH
TASK_NOT_RUNNING
USER_DATA	0	folio->mapping->writeback_index	0-524287[c]
USER_DATA	1	index	0-4503599627370495
UNITS	1	index	unit_page

arch/x86/kvm/../../../virt/kvm/guest_memfd.c kvm_gmem_get_pfn() -> folio_file_page()

Type	Parameter	Key	Value
PARAM_VALUE	0	folio	4096-ptr_max
DATA_SOURCE	0	folio	r __kvm_gmem_get_pfn
DATA_SOURCE	1	index	r kvm_gmem_get_index
HALF_LOCKED2		_T->lock

mm/userfaultfd.c mfill_atomic_pte_continue() -> folio_file_page()

Type	Parameter	Key	Value
PARAM_VALUE	0	folio	4096-ptr_max
PARAM_VALUE	0	folio->swap.val	0
PARAM_VALUE	1	index	0-2251799813685247
CAPPED_DATA	1	index	1
CAPPED_DATA	1	index	1
DATA_SOURCE	1	index	r linear_page_index
LOCK2		&state.ctx->map_changing_lock
TYPE_LOCK		(struct userfaultfd_ctx)->map_changing_lock

drivers/gpu/drm/ttm/ttm_backup.c ttm_backup_backup_folio() -> folio_file_page()

Type	Parameter	Key	Value
PARAM_VALUE	0	folio	4096-ptr_max
PARAM_VALUE	0	folio->mapping->host->i_sb->s_cop->empty_dir	0,86,661756434209751040,4392966320616476672,5234023279986843648,8614756098313990144
PARAM_VALUE	0	folio->mapping->host->i_sb->s_cop->get_context	0,706,17350455714160640,4513809449498124288,5149251875611672576,7067778626864828416
PARAM_VALUE	0	folio->mapping->host->i_sb->s_cop->set_context	0,67,317457138841939968,3250154607523569664,5979066299606671360,6756104566897242112
PARAM_VALUE	0	folio->mapping->i_mmap_rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	folio->mapping->i_mmap_rwsem.first_waiter->type	0-1
PARAM_VALUE	0	*folio->_mm_id	0-4294967295
PARAM_VALUE	1	index	0-8589934587
CAPPED_DATA	1	index	1
DATA_SOURCE	0	folio	r shmem_read_folio_gfp
RX_PATH
TASK_NOT_RUNNING
UNITS	1	index	unit_page
HALF_LOCKED2		global &bch_register_lock

drivers/gpu/drm/ttm/ttm_backup.c ttm_backup_copy_page() -> folio_file_page()

Type	Parameter	Key	Value
PARAM_VALUE	0	folio	4096-ptr_max
PARAM_VALUE	1	index	0-2251799813685247
CAPPED_DATA	1	index	1
CAPPED_DATA	1	index	1
DATA_SOURCE	0	folio	r shmem_read_folio_gfp
DATA_SOURCE	1	index	r ttm_backup_handle_to_shmem_idx
BIT_INFO	1	index	0x0,0x7fffffffffffffff
RX_PATH
TASK_NOT_RUNNING

mm/swapfile.c unuse_pte() -> folio_file_page()

Type	Parameter	Key	Value
PARAM_VALUE	0	folio	4096-ptr_max
PARAM_VALUE	1	index	0-288230376151711743
DATA_SOURCE	0	folio	$4 [m]
CAPABLE	0	21
LOCK2		&mm->mmap_lock
TYPE_LOCK		(struct mm_struct)->mmap_lock

mm/swapfile.c unuse_pte() -> folio_file_page()

Type	Parameter	Key	Value
PARAM_VALUE	0	folio	4096-ptr_max
PARAM_VALUE	1	index	0-288230376151711743
CAPPED_DATA	0	folio	1
CAPABLE	0	21
LOCK2		&mm->mmap_lock
LOCK2		ptl
TYPE_LOCK		(struct mm_struct)->mmap_lock

fs/f2fs/gc.c move_data_block() -> folio_file_page()

Type	Parameter	Key	Value
PARAM_VALUE	0	folio	1-1025,1027-1029,1031-ptr_max
PARAM_VALUE	1	index	1-u32max
CAPPED_DATA	1	index	1
DATA_SOURCE	0	folio	r f2fs_grab_cache_folio
RX_PATH
TASK_NOT_RUNNING
UNITS	1	index	unit_page
LOCK2		&sbi->gc_lock.internal_rwsem
HALF_LOCKED2		&fio.sbi->io_order_lock.internal_rwsem
HALF_LOCKED2		&inode->i_rwsem
HALF_LOCKED2		&sbi->cp_global_sem.internal_rwsem
HALF_LOCKED2		&sbi->cp_rwsem.internal_rwsem
HALF_LOCKED2		&sbi->pin_sem.internal_rwsem

fs/ntfs3/frecord.c ntfs_lock_new_page() -> folio_file_page()

Type	Parameter	Key	Value
PARAM_VALUE	0	folio	4096-ptr_max
DATA_SOURCE	0	folio	r __filemap_get_folio
DATA_SOURCE	1	index	$1
RX_PATH
TASK_NOT_RUNNING
USER_DATA	0	folio->mapping->writeback_index	0-524287[c]
UNITS	1	index	unit_page

mm/shmem.c shmem_fault() -> folio_file_page()

Type	Parameter	Key	Value
PARAM_VALUE	0	folio	4096-ptr_max
PARAM_VALUE	1	index	0-2251799813685247
CAPPED_DATA	1	index	1
CAPPED_DATA	1	index	1
NOSPEC	1	index
NOSPEC	1	index
RX_PATH
TASK_NOT_RUNNING
USER_DATA	1	index	0-2251799813685247[c]
UNITS	1	index	unit_page

mm/shmem.c shmem_file_read_iter() -> folio_file_page()

Type	Parameter	Key	Value
PARAM_VALUE	0	folio	4096-ptr_max
PARAM_VALUE	0	folio->swap.val	0
PARAM_VALUE	1	index	0-2251799813685247
CAPPED_DATA	1	index	1
CAPPED_DATA	1	index	1
NOSPEC	1	index
RX_PATH
TASK_NOT_RUNNING
USER_DATA	1	index	0-3281848[c]
UNITS	1	index	unit_page
HALF_LOCKED2		&pool->lock

mm/shmem.c shmem_file_splice_read() -> folio_file_page()

Type	Parameter	Key	Value
PARAM_VALUE	0	folio	4096-ptr_max
PARAM_VALUE	0	folio->swap.val	0
PARAM_VALUE	1	index	0-2251799813685247
CAPPED_DATA	1	index	1
CAPPED_DATA	1	index	1
RX_PATH
TASK_NOT_RUNNING
USER_DATA	1	index	0-3281850[c]
UNITS	1	index	unit_page

mm/shmem.c shmem_read_mapping_page_gfp() -> folio_file_page()

Type	Parameter	Key	Value
PARAM_VALUE	0	folio	4096-ptr_max
PARAM_VALUE	1	index	0-2251799813685247
CAPPED_DATA	1	index	1
CAPPED_DATA	1	index	1
DATA_SOURCE	0	folio	r shmem_read_folio_gfp
DATA_SOURCE	1	index	$1
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE	1	index
HALF_LOCKED2		&uprobe->consumer_rwsem
HALF_LOCKED2		__flags
HALF_LOCKED2		bo->base.base.resv

mm/secretmem.c secretmem_fault() -> folio_file_page()

Type	Parameter	Key	Value
PARAM_VALUE	0	folio	1-1025,1027-1029,1031-ptr_max
RX_PATH
TASK_NOT_RUNNING
USER_DATA	0	folio->mapping->writeback_index	0-524287[c]
USER_DATA	1	index	0-4503599627370495
UNITS	1	index	unit_page
LOCK2		&mapping->invalidate_lock
TYPE_LOCK		(struct address_space)->invalidate_lock

mm/filemap.c do_read_cache_page() -> folio_file_page()

Type	Parameter	Key	Value
PARAM_VALUE	0	folio	4096-ptr_max
PARAM_VALUE	0	folio->mapping->host->i_sb->s_cop->empty_dir	0,86,661756434209751040,4392966320616476672,5234023279986843648,8614756098313990144
PARAM_VALUE	0	folio->mapping->host->i_sb->s_cop->get_context	0,706,17350455714160640,4513809449498124288,5149251875611672576,7067778626864828416
PARAM_VALUE	0	folio->mapping->host->i_sb->s_cop->set_context	0,67,317457138841939968,3250154607523569664,5979066299606671360,6756104566897242112
DATA_SOURCE	0	folio	r do_read_cache_folio
DATA_SOURCE	1	index	$1
NOSPEC	1	index
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	1	index	0-1292716[c]
USER_DATA	0	folio->mapping->writeback_index	0-524287[c]
USER_DATA	1	index	0-2251799813685247,18444492273895866368-u64max
UNITS	1	index	unit_page
HALF_LOCKED2		&mapping->invalidate_lock

mm/filemap.c filemap_fault() -> folio_file_page()

Type	Parameter	Key	Value
PARAM_VALUE	0	folio	4096-ptr_max
PARAM_VALUE	0	folio->_deferred_list.next->prev	4096-ptr_max
PARAM_VALUE	0	folio->_deferred_list.prev->next	4096-ptr_max
PARAM_VALUE	0	folio->mapping	4096-ptr_max
PARAM_VALUE	0	folio->page.zone_device_data->kref.refcount.refs.counter	s32min-s32max
PARAM_VALUE	0	folio->pgmap->ref.data	0,4096-ptr_max
PARAM_VALUE	1	index	0-18446744073709551614
CAPPED_DATA	0	folio->mapping	1
CAPPED_DATA	1	index	1
CAPPED_DATA	1	index	1
NOSPEC	1	index
NOSPEC	1	index
RX_PATH
TASK_NOT_RUNNING
USER_DATA	0	folio->mapping->writeback_index	0-524287[c]
USER_DATA	1	index	0-s32max[c]
UNITS	1	index	unit_page

mm/filemap.c filemap_map_pmd() -> folio_file_page()

Type	Parameter	Key	Value
PARAM_VALUE	0	folio	4096-ptr_max
PARAM_VALUE	0	folio->mapping	4096-ptr_max
PARAM_VALUE	0	folio->page._refcount.counter	0-s32max
CAPPED_DATA	0	folio	1
CAPPED_DATA	0	folio->mapping	1
DATA_SOURCE	0	folio	$1
DATA_SOURCE	1	index	$2
RX_PATH
TASK_NOT_RUNNING
USER_DATA	1	index	0-9007199254741501,18446744073709551105-u64max
LOCK2		rcu_read
HALF_LOCKED2		&mm->mmap_lock

mm/folio-compat.c pagecache_get_page() -> folio_file_page()

Type	Parameter	Key	Value
PARAM_VALUE	0	folio	1-1025,1027-1029,1031-ptr_max
DATA_SOURCE	0	folio	r __filemap_get_folio
DATA_SOURCE	1	index	$1
RX_PATH
TASK_NOT_RUNNING
USER_DATA	0	folio->mapping->writeback_index	0-524287[c]
UNITS	1	index	unit_page
HALF_LOCKED2		&inode->i_rwsem

mm/memory.c do_swap_page() -> folio_file_page()

Type	Parameter	Key	Value
PARAM_VALUE	0	folio	4096-ptr_max
PARAM_VALUE	1	index	0-288230376151711743
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&mm->mmap_lock

drivers/gpu/drm/drm_gem.c drm_gem_get_pages() -> folio_file_page()

Type	Parameter	Key	Value
PARAM_VALUE	0	folio	4096-ptr_max
DATA_SOURCE	0	folio	r shmem_read_folio_gfp
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
UNITS	1	index	unit_array_size
HALF_LOCKED2		&etnaviv_obj->lock
HALF_LOCKED2		&omap_obj->lock
HALF_LOCKED2		obj->resv

fs/verity/pagecache.c generic_read_merkle_tree_page() -> folio_file_page()

Type	Parameter	Key	Value
PARAM_VALUE	0	folio	4096-ptr_max
DATA_SOURCE	0	folio	r read_mapping_folio
DATA_SOURCE	1	index	$1
NOSPEC	1	index
NOSPEC	1	index
RX_PATH
TASK_NOT_RUNNING
USER_DATA	1	index	0-2251799814209534[c]

fs/erofs/data.c erofs_bread() -> folio_file_page()

Type	Parameter	Key	Value
PARAM_VALUE	1	index	0-4503599627370495
DATA_SOURCE	0	folio	r _compound_head
RX_PATH
TASK_NOT_RUNNING
USER_DATA	1	index	0-4503599627370495[c]
UNITS	1	index	unit_page

fs/erofs/data.c erofs_bread() -> folio_file_page()

Type	Parameter	Key	Value
PARAM_VALUE	0	folio	4096-ptr_max
PARAM_VALUE	1	index	0-4503599627370495
RX_PATH
TASK_NOT_RUNNING
USER_DATA	1	index	0-4503599627370495[c]
UNITS	1	index	unit_page

kernel/events/uprobes.c orig_page_is_identical() -> folio_file_page()

Type	Parameter	Key	Value
PARAM_VALUE	0	folio	1-1025,1027-1029,1031-ptr_max
PARAM_VALUE	1	index	0-2251799813685247,18444492273895866368-u64max
CAPPED_DATA	1	index	1
CAPPED_DATA	1	index	1
DATA_SOURCE	0	folio	r filemap_get_folio
BIT_INFO	1	index	0x0,0x7ffffffffffff
BIT_INFO	1	index	0x0,0x7ffffffffffff
RX_PATH
TASK_NOT_RUNNING
USER_DATA	0	folio->mapping->writeback_index	0-524287[c]
USER_DATA	1	index	0-2251799813685247[c]
UNITS	1	index	unit_page
HALF_LOCKED2		&mm->mmap_lock
HALF_LOCKED2		&uprobe->register_rwsem