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Documented in 1 files:

Defined in 1 files as a function:

Referenced in 12 files:

Smatch caller information:

lib/iov_iter.c get_contig_folio_len() -> folio_page_idx()

Type Parameter Key Value
PARAM_VALUE 1 page 4096-ptr_max
DATA_SOURCE 0 folio r _compound_head
RX_PATH
TASK_NOT_RUNNING

io_uring/rsrc.c io_check_coalesce_buffer() -> folio_page_idx()

Type Parameter Key Value
PARAM_VALUE 0 folio 4096-ptr_max
PARAM_VALUE 1 page 4096-ptr_max
DATA_SOURCE 0 folio r _compound_head
RX_PATH
HALF_LOCKED2 &ctx->uring_lock

io_uring/rsrc.c io_check_coalesce_buffer() -> folio_page_idx()

Type Parameter Key Value
PARAM_VALUE 0 folio 4096-ptr_max
CAPPED_DATA 0 folio 1
DATA_SOURCE 0 folio r _compound_head
RX_PATH
HALF_LOCKED2 &ctx->uring_lock

io_uring/rsrc.c io_check_coalesce_buffer() -> folio_page_idx()

Type Parameter Key Value
PARAM_VALUE 0 folio 4096-ptr_max
DATA_SOURCE 0 folio r _compound_head
RX_PATH
HALF_LOCKED2 &ctx->uring_lock

fs/erofs/zdata.c bio_first_folio() -> folio_page_idx()

Type Parameter Key Value
PARAM_VALUE 1 page 4096-ptr_max
DATA_SOURCE 0 folio r bvec_folio
RX_PATH
TASK_NOT_RUNNING
UNITS 1 page unit_page
HALF_LOCKED2 &bio->bi_bdev->bd_queue->queue_lock

fs/btrfs/zstd.c bio_first_folio() -> folio_page_idx()

Type Parameter Key Value
PARAM_VALUE 1 page 4096-ptr_max
DATA_SOURCE 0 folio r bvec_folio
RX_PATH
TASK_NOT_RUNNING
UNITS 1 page unit_page
HALF_LOCKED2 &pool->lock

kernel/futex/core.c page_pgoff() -> folio_page_idx()

Type Parameter Key Value
PARAM_VALUE 0 folio 4096-ptr_max
PARAM_VALUE 1 page 4096-ptr_max
DATA_SOURCE 0 folio $0
DATA_SOURCE 1 page $1
RX_PATH
TASK_NOT_RUNNING
LOCK2 rcu_read

fs/iomap/ioend.c bio_first_folio() -> folio_page_idx()

Type Parameter Key Value
PARAM_VALUE 1 page 4096-ptr_max
DATA_SOURCE 0 folio r bvec_folio
RX_PATH
TASK_NOT_RUNNING
UNITS 1 page unit_page
HALF_LOCKED2 &pool->lock

mm/page_io.c page_swap_entry() -> folio_page_idx()

Type Parameter Key Value
PARAM_VALUE 0 folio 4096-ptr_max
PARAM_VALUE 1 page 4096-ptr_max
DATA_SOURCE 0 folio r _compound_head
DATA_SOURCE 1 page $0
RX_PATH
TASK_NOT_RUNNING
UNITS 0 folio unit_page
UNITS 1 page unit_page

mm/swapfile.c folio_dup_swap() -> folio_page_idx()

Type Parameter Key Value
PARAM_VALUE 0 folio 4096-ptr_max
PARAM_VALUE 1 page 4096-ptr_max
BUF_SIZE 0 folio (-1)-s32max
BUF_SIZE 0 folio (-1)-s32max
CAPPED_DATA 0 folio 1
DATA_SOURCE 0 folio $0
DATA_SOURCE 1 page $1
NOSPEC 0 folio->mapping->writeback_index
RX_PATH
TASK_NOT_RUNNING
USER_DATA 0 folio->mapping->writeback_index 0-524287[c]
NO_OVERFLOW_SIMPLE 0 folio->index
NO_OVERFLOW_SIMPLE 0 folio->mapping->host->i_size
HALF_LOCKED2 &anon_vma->root->rwsem
HALF_LOCKED2 0 &folio->private->lock

mm/swapfile.c folio_put_swap() -> folio_page_idx()

Type Parameter Key Value
PARAM_VALUE 0 folio 4096-ptr_max
PARAM_VALUE 1 page 1-u64max
BUF_SIZE 0 folio (-1)-s32max
BUF_SIZE 0 folio (-1)-s32max
BUF_SIZE 1 page (-1)-0,64
BUF_SIZE 1 page (-1)-0,64
CAPPED_DATA 0 folio 1
DATA_SOURCE 0 folio $0
DATA_SOURCE 1 page $1
NOSPEC 0 folio->mapping->writeback_index
RX_PATH
TASK_NOT_RUNNING
USER_DATA 0 folio->mapping->writeback_index 0-524287[c]
NO_OVERFLOW_SIMPLE 0 folio->index
NO_OVERFLOW_SIMPLE 0 folio->mapping->host->i_size
HALF_LOCKED2 &mm->mmap_lock
HALF_LOCKED2 ptl
HALF_LOCKED2 vmf->ptl
HALF_LOCKED2 0 &folio->private->lock

fs/mpage.c bio_first_folio() -> folio_page_idx()

Type Parameter Key Value
PARAM_VALUE 1 page 4096-ptr_max
DATA_SOURCE 0 folio r bvec_folio
RX_PATH
TASK_NOT_RUNNING
UNITS 1 page unit_page
HALF_LOCKED2 &bio->bi_bdev->bd_queue->queue_lock

fs/ntfs/compress.c page_offset() -> folio_page_idx()

Type Parameter Key Value
PARAM_VALUE 0 folio 4096-ptr_max
PARAM_VALUE 1 page 4096-ptr_max
DATA_SOURCE 0 folio r _compound_head
DATA_SOURCE 1 page $0
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 &mapping->invalidate_lock
HALF_LOCKED2 &ni->runlist.lock

fs/btrfs/inode.c bio_first_folio() -> folio_page_idx()

Type Parameter Key Value
PARAM_VALUE 1 page 4096-ptr_max
DATA_SOURCE 0 folio r bvec_folio
RX_PATH
TASK_NOT_RUNNING
UNITS 1 page unit_page
HALF_LOCKED2 &pool->lock

fs/erofs/fileio.c bio_first_folio() -> folio_page_idx()

Type Parameter Key Value
PARAM_VALUE 1 page 4096-ptr_max
DATA_SOURCE 0 folio r bvec_folio
RX_PATH
TASK_NOT_RUNNING
UNITS 1 page unit_page
HALF_LOCKED2 &epdata->dev->lock

mm/zswap.c page_swap_entry() -> folio_page_idx()

Type Parameter Key Value
PARAM_VALUE 0 folio 4096-ptr_max
PARAM_VALUE 1 page 4096-ptr_max
DATA_SOURCE 0 folio r _compound_head
DATA_SOURCE 1 page $0

mm/rmap.c page_pgoff() -> folio_page_idx()

Type Parameter Key Value
PARAM_VALUE 0 folio 4096-ptr_max
BUF_SIZE 0 folio (-1)-s32max
BUF_SIZE 0 folio (-1)-s32max
BUF_SIZE 1 page (-1),64
BUF_SIZE 1 page (-1),64
CAPPED_DATA 0 folio 1
DATA_SOURCE 0 folio $0
DATA_SOURCE 1 page $1
NOSPEC 0 folio->mapping->writeback_index
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
USER_DATA 0 folio->mapping->writeback_index 0-524287[c]
NO_OVERFLOW_SIMPLE 0 folio->index
NO_OVERFLOW_SIMPLE 0 folio->mapping->host->i_size
UNITS 0 folio unit_page
UNITS 1 page unit_page
HALF_LOCKED2 0 &folio->private->lock

mm/rmap.c page_swap_entry() -> folio_page_idx()

Type Parameter Key Value
PARAM_VALUE 0 folio 4096-ptr_max
PARAM_VALUE 1 page 4096-ptr_max
DATA_SOURCE 0 folio r _compound_head
DATA_SOURCE 1 page $0
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 &anon_vma->root->rwsem
HALF_LOCKED2 &folio->private->lock

mm/page_vma_mapped.c page_pgoff() -> folio_page_idx()

Type Parameter Key Value
PARAM_VALUE 0 folio 4096-ptr_max
PARAM_VALUE 1 page 4096-ptr_max
DATA_SOURCE 0 folio $0
DATA_SOURCE 1 page $1
RX_PATH
TASK_NOT_RUNNING
UNITS 0 folio unit_page
UNITS 1 page unit_page
LOCK2 global &mf_mutex
LOCK2 rcu_read
HALF_LOCKED2 &attr->mutex
HALF_LOCKED2 &av->root->rwsem
HALF_LOCKED2 &of->mutex
HALF_LOCKED2 &pool->lock

mm/util.c snapshot_page() -> folio_page_idx()

Type Parameter Key Value
PARAM_VALUE 1 page 4096-ptr_max
DATA_SOURCE 1 page $1

mm/hugetlb.c replace_free_hugepage_folios() -> folio_page_idx()

Type Parameter Key Value
PARAM_VALUE 0 folio 4096-ptr_max
PARAM_VALUE 1 page 4096-ptr_max
DATA_SOURCE 0 folio r _compound_head
RX_PATH
TASK_NOT_RUNNING
UNITS 0 folio unit_page
UNITS 1 page unit_page
HALF_LOCKED2 &cma->alloc_mutex
HALF_LOCKED2 &vm->hotplug_mutex

fs/f2fs/data.c bio_first_folio() -> folio_page_idx()

Type Parameter Key Value
PARAM_VALUE 1 page 4096-ptr_max
DATA_SOURCE 0 folio r bvec_folio
RX_PATH
TASK_NOT_RUNNING
UNITS 1 page unit_page

fs/ntfs/aops.c bio_first_folio() -> folio_page_idx()

Type Parameter Key Value
PARAM_VALUE 1 page 4096-ptr_max
DATA_SOURCE 0 folio r bvec_folio
RX_PATH
TASK_NOT_RUNNING
UNITS 1 page unit_page
HALF_LOCKED2 &bio->bi_bdev->bd_queue->queue_lock

fs/btrfs/extent_io.c bio_first_folio() -> folio_page_idx()

Type Parameter Key Value
PARAM_VALUE 1 page 4096-ptr_max
DATA_SOURCE 0 folio r bvec_folio
RX_PATH
TASK_NOT_RUNNING
UNITS 1 page unit_page
HALF_LOCKED2 &pool->lock

mm/compaction.c isolate_migratepages_block() -> folio_page_idx()

Type Parameter Key Value
PARAM_VALUE 0 folio 4096-ptr_max
PARAM_VALUE 1 page 4096-ptr_max
DATA_SOURCE 0 folio r _compound_head
RX_PATH
TASK_NOT_RUNNING
UNITS 0 folio unit_page
UNITS 1 page unit_page

fs/verity/verify.c bio_first_folio() -> folio_page_idx()

Type Parameter Key Value
PARAM_VALUE 1 page 4096-ptr_max
DATA_SOURCE 0 folio r bvec_folio
UNITS 1 page unit_page
HALF_LOCKED2 &pool->lock

fs/gfs2/meta_io.c bio_first_folio() -> folio_page_idx()

Type Parameter Key Value
PARAM_VALUE 1 page 4096-ptr_max
DATA_SOURCE 0 folio r bvec_folio
RX_PATH
TASK_NOT_RUNNING
UNITS 1 page unit_page
HALF_LOCKED2 &bio->bi_bdev->bd_queue->queue_lock

fs/isofs/compress.c page_offset() -> folio_page_idx()

Type Parameter Key Value
PARAM_VALUE 0 folio 4096-ptr_max
PARAM_VALUE 1 page 4096-ptr_max
DATA_SOURCE 0 folio r _compound_head
DATA_SOURCE 1 page $0
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 &mapping->invalidate_lock

fs/squashfs/block.c bio_first_folio() -> folio_page_idx()

Type Parameter Key Value
PARAM_VALUE 1 page 4096-ptr_max
DATA_SOURCE 0 folio r bvec_folio
RX_PATH
TASK_NOT_RUNNING
UNITS 1 page unit_page

fs/exfat/iomap.c bio_first_folio() -> folio_page_idx()

Type Parameter Key Value
PARAM_VALUE 1 page 4096-ptr_max
DATA_SOURCE 0 folio r bvec_folio
RX_PATH
TASK_NOT_RUNNING
UNITS 1 page unit_page
HALF_LOCKED2 &bio->bi_bdev->bd_queue->queue_lock

mm/memory.c __access_remote_vm() -> folio_page_idx()

Type Parameter Key Value
PARAM_VALUE 1 page 4096-ptr_max
DATA_SOURCE 0 folio r _compound_head
DATA_SOURCE 1 page r get_user_page_vma_remote
RX_PATH
TASK_NOT_RUNNING
LOCK2 &mm->mmap_lock
TYPE_LOCK (struct mm_struct)->mmap_lock

mm/memory.c __copy_remote_vm_str() -> folio_page_idx()

Type Parameter Key Value
PARAM_VALUE 1 page 4096-ptr_max
DATA_SOURCE 0 folio r _compound_head
DATA_SOURCE 1 page r get_user_page_vma_remote
LOCK2 &mm->mmap_lock
TYPE_LOCK (struct mm_struct)->mmap_lock

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

Type Parameter Key Value
PARAM_VALUE 0 folio 4096-ptr_max
BUF_SIZE 1 page (-1),64
BUF_SIZE 1 page (-1),64
CAPPED_DATA 0 folio 1
RX_PATH
TASK_NOT_RUNNING
LOCK2 vmf->ptl
HALF_LOCKED2 &mm->mmap_lock

mm/memory.c finish_fault() -> folio_page_idx()

Type Parameter Key Value
PARAM_VALUE 0 folio 4096-ptr_max
PARAM_VALUE 1 page 4096-ptr_max
BUF_SIZE 1 page (-1),64
BUF_SIZE 1 page (-1),64
DATA_SOURCE 0 folio r _compound_head
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
UNITS 0 folio unit_page
UNITS 1 page unit_page

fs/btrfs/lzo.c bio_first_folio() -> folio_page_idx()

Type Parameter Key Value
PARAM_VALUE 1 page 4096-ptr_max
DATA_SOURCE 0 folio r bvec_folio
RX_PATH
TASK_NOT_RUNNING
UNITS 1 page unit_page

block/bio.c bio_first_folio() -> folio_page_idx()

Type Parameter Key Value
PARAM_VALUE 1 page 4096-ptr_max
DATA_SOURCE 0 folio r bvec_folio
RX_PATH
TASK_NOT_RUNNING
UNITS 1 page unit_page

fs/gfs2/lops.c bio_first_folio() -> folio_page_idx()

Type Parameter Key Value
PARAM_VALUE 1 page 4096-ptr_max
DATA_SOURCE 0 folio r bvec_folio
RX_PATH
TASK_NOT_RUNNING
UNITS 1 page unit_page
HALF_LOCKED2 &bio->bi_bdev->bd_queue->queue_lock

fs/ext4/readpage.c bio_first_folio() -> folio_page_idx()

Type Parameter Key Value
PARAM_VALUE 1 page 4096-ptr_max
DATA_SOURCE 0 folio r bvec_folio
RX_PATH
TASK_NOT_RUNNING
UNITS 1 page unit_page
HALF_LOCKED2 &bio->bi_bdev->bd_queue->queue_lock
HALF_LOCKED2 &pool->lock

mm/memory-failure.c page_pgoff() -> folio_page_idx()

Type Parameter Key Value
PARAM_VALUE 0 folio 4096-ptr_max
PARAM_VALUE 1 page 4096-ptr_max
DATA_SOURCE 0 folio $0
DATA_SOURCE 1 page $1
RX_PATH
TASK_NOT_RUNNING
UNITS 0 folio unit_page
UNITS 1 page unit_page
LOCK2 global &mf_mutex
HALF_LOCKED2 &attr->mutex
HALF_LOCKED2 &mapping->i_mmap_rwsem
HALF_LOCKED2 &of->mutex
HALF_LOCKED2 &pool->lock
HALF_LOCKED2 rcu_read

fs/ntfs3/inode.c bio_first_folio() -> folio_page_idx()

Type Parameter Key Value
PARAM_VALUE 1 page 4096-ptr_max
DATA_SOURCE 0 folio r bvec_folio
RX_PATH
TASK_NOT_RUNNING
UNITS 1 page unit_page
HALF_LOCKED2 &bio->bi_bdev->bd_queue->queue_lock

fs/btrfs/disk-io.c bio_first_folio() -> folio_page_idx()

Type Parameter Key Value
PARAM_VALUE 1 page 4096-ptr_max
DATA_SOURCE 0 folio r bvec_folio
RX_PATH
TASK_NOT_RUNNING
UNITS 1 page unit_page
HALF_LOCKED2 &bio->bi_bdev->bd_queue->queue_lock

fs/btrfs/compression.c bio_first_folio() -> folio_page_idx()

Type Parameter Key Value
PARAM_VALUE 1 page 4096-ptr_max
DATA_SOURCE 0 folio r bvec_folio
RX_PATH
TASK_NOT_RUNNING
UNITS 1 page unit_page

fs/btrfs/compression.c page_offset() -> folio_page_idx()

Type Parameter Key Value
PARAM_VALUE 0 folio 4096-ptr_max
PARAM_VALUE 1 page 4096-ptr_max
DATA_SOURCE 0 folio r _compound_head
DATA_SOURCE 1 page $0
RX_PATH
TASK_NOT_RUNNING
UNITS 0 folio unit_page
UNITS 1 page unit_page
HALF_LOCKED2 &pool->lock

fs/btrfs/zlib.c bio_first_folio() -> folio_page_idx()

Type Parameter Key Value
PARAM_VALUE 1 page 4096-ptr_max
DATA_SOURCE 0 folio r bvec_folio
RX_PATH
TASK_NOT_RUNNING
UNITS 1 page unit_page
HALF_LOCKED2 &pool->lock

mm/gup.c gup_folio_range_next() -> folio_page_idx()

Type Parameter Key Value
PARAM_VALUE 0 folio 4096-ptr_max
PARAM_VALUE 1 page 4096-ptr_max
DATA_SOURCE 0 folio r _compound_head
RX_PATH
TASK_NOT_RUNNING

fs/ceph/addr.c page_offset() -> folio_page_idx()

Type Parameter Key Value
PARAM_VALUE 0 folio 4096-ptr_max
PARAM_VALUE 1 page 4096-ptr_max
DATA_SOURCE 0 folio r _compound_head
DATA_SOURCE 1 page $0
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 &mapping->invalidate_lock

drivers/md/dm-crypt.c bio_first_folio() -> folio_page_idx()

Type Parameter Key Value
PARAM_VALUE 1 page 4096-ptr_max
DATA_SOURCE 0 folio r bvec_folio
RX_PATH
TASK_NOT_RUNNING
UNITS 1 page unit_page
HALF_LOCKED2 &bio->bi_bdev->bd_queue->queue_lock
HALF_LOCKED2 &pool->lock

fs/ext4/page-io.c bio_first_folio() -> folio_page_idx()

Type Parameter Key Value
PARAM_VALUE 1 page 4096-ptr_max
DATA_SOURCE 0 folio r bvec_folio
RX_PATH
TASK_NOT_RUNNING
UNITS 1 page unit_page
HALF_LOCKED2 &bio->bi_bdev->bd_queue->queue_lock

drivers/md/dm-flakey.c bio_first_folio() -> folio_page_idx()

Type Parameter Key Value
PARAM_VALUE 1 page 4096-ptr_max
DATA_SOURCE 0 folio r bvec_folio
RX_PATH
TASK_NOT_RUNNING
UNITS 1 page unit_page
HALF_LOCKED2 &bio->bi_bdev->bd_queue->queue_lock
HALF_LOCKED2 &cache->background_work_lock
HALF_LOCKED2 &head->srcu
HALF_LOCKED2 &ic->endio_wait.lock
HALF_LOCKED2 &md->io_barrier
HALF_LOCKED2 &pool->lock
HALF_LOCKED2 &s->lock
HALF_LOCKED2 &sdp->sd_log_flush_lock
HALF_LOCKED2 global &bch_register_lock
HALF_LOCKED2 irq
HALF_LOCKED2 lock.complete_slot
HALF_LOCKED2 lock.pending_slot

fs/fuse/file.c fuse_get_user_pages() -> folio_page_idx()

Type Parameter Key Value
DATA_SOURCE 0 folio r _compound_head
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 &inode->i_rwsem
HALF_LOCKED2 &iocb->ki_filp->f_inode->i_rwsem
HALF_LOCKED2 &pool->lock

fs/iomap/bio.c bio_first_folio() -> folio_page_idx()

Type Parameter Key Value
PARAM_VALUE 1 page 4096-ptr_max
DATA_SOURCE 0 folio r bvec_folio
RX_PATH
TASK_NOT_RUNNING
UNITS 1 page unit_page
HALF_LOCKED2 &bio->bi_bdev->bd_queue->queue_lock
HALF_LOCKED2 &pool->lock