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Defined in 1 files as a function:

Referenced in 1 files:

Smatch caller information:

mm/readahead.c page_cache_ra_unbounded() -> ractl_alloc_folio()

Type Parameter Key Value
PARAM_VALUE 0 ractl 4096-ptr_max
PARAM_VALUE 0 ractl->mapping->host->i_op->readlink 0,1728600404483375104,2832489546165891072,2874824064778891264,3069732422725099520,4516337085607264256
PARAM_VALUE 0 ractl->mapping->host->i_sb->s_cop->inode_info_offs 1632,1720,1808,2632,2648
PARAM_VALUE 0 ractl->mapping->host->i_sb->s_umount.first_waiter->handoff_set 0-1
PARAM_VALUE 0 ractl->mapping->host->i_sb->s_umount.first_waiter->type 0-1
PARAM_VALUE 0 ractl->mapping->invalidate_lock.first_waiter->handoff_set 0-1
PARAM_VALUE 0 ractl->mapping->invalidate_lock.first_waiter->type 0-1
PARAM_VALUE 1 gfp_mask 0,8192-u32max
PARAM_VALUE 2 order 0-31
BUF_SIZE 0 ractl->file s32min-(-1),1-s32max
BUF_SIZE 0 ractl->ra (-1),32
DATA_SOURCE 0 ractl $0
DATA_SOURCE 1 gfp_mask r readahead_gfp_mask
BIT_INFO 1 gfp_mask 0x12000,0xffffffff
NOSPEC 0 ractl->_index
RX_PATH
TASK_NOT_RUNNING
USER_DATA 0 ractl->_index 0-4503608217305085[c]
USER_DATA 0 ractl->_nr_pages 0-u32max[c][u]
USER_DATA 0 ractl->mapping->host->i_bytes 0-65023[c]
USER_DATA 0 ractl->mapping->host->i_mode 0-u16max
NO_OVERFLOW_SIMPLE 0 ractl->mapping->host->i_size
HALF_LOCKED2 &inode->i_rwsem
HALF_LOCKED2 &mapping->invalidate_lock

mm/readahead.c ra_alloc_folio() -> ractl_alloc_folio()

Type Parameter Key Value
PARAM_VALUE 0 ractl 4096-ptr_max
PARAM_VALUE 0 ractl->_batch_count 0
PARAM_VALUE 0 ractl->_pflags 0
PARAM_VALUE 0 ractl->file 0,4096-ptr_max
PARAM_VALUE 0 ractl->mapping 4096-ptr_max
PARAM_VALUE 0 ractl->mapping->host 4096-ptr_max
PARAM_VALUE 0 ractl->mapping->invalidate_lock.dep_map->name 0-255
PARAM_VALUE 0 ractl->mapping->invalidate_lock.first_waiter->list.next 2212933610777083904
PARAM_VALUE 0 ractl->mapping->invalidate_lock.first_waiter->list.prev 2212933610777083904
PARAM_VALUE 0 ractl->mapping->invalidate_lock.first_waiter->type 0-1
PARAM_VALUE 0 ractl->ra 4096-ptr_max
PARAM_VALUE 1 gfp_mask 0,8192-u32max
BUF_SIZE 0 ractl->ra (-1),32
CAPPED_DATA 0 ractl->_index 1
DATA_SOURCE 0 ractl $0
DATA_SOURCE 1 gfp_mask $4
DATA_SOURCE 2 order $3
BIT_INFO 1 gfp_mask 0x12000,0xffffffff
NOSPEC 0 ractl->_index
NOSPEC 2 order
NOSPEC 2 order
RX_PATH
TASK_NOT_RUNNING
USER_DATA 0 ractl->_index 0-4503603922337790[c]
USER_DATA 0 ractl->_nr_pages 0-u32max[c][u]
USER_DATA 2 order 0-s32max[c]
NO_OVERFLOW_SIMPLE 0 ractl->mapping->host->i_bytes
NO_OVERFLOW_SIMPLE 0 ractl->mapping->host->i_size
LOCK2 &mapping->invalidate_lock
TYPE_LOCK (struct address_space)->invalidate_lock

mm/readahead.c readahead_expand() -> ractl_alloc_folio()

Type Parameter Key Value
PARAM_VALUE 0 ractl 4096-ptr_max
PARAM_VALUE 0 ractl->_index 1-u64max
PARAM_VALUE 0 ractl->mapping 4096-ptr_max
PARAM_VALUE 0 ractl->mapping->host->i_op->readlink 0,1728600404483375104,2832489546165891072,2874824064778891264,3069732422725099520,4516337085607264256
PARAM_VALUE 0 ractl->mapping->host->i_sb->s_cop->inode_info_offs 1632,1720,1808,2632,2648,2704,2712
PARAM_VALUE 0 ractl->mapping->host->i_sb->s_export_op->fh_to_dentry 0,8684,447817974243774464,687732489194512384,742201802719268864,868497899885588480,1471448175530500096,2021658383390310400,2445877819203563520,2512819722689847296,2649270699546726400,2761259683714371584,2893332316235677696-s64max
PARAM_VALUE 0 ractl->mapping->host->i_sb->s_export_op->fh_to_parent 0,4672,5297,148606482432692224,436469935444291584,457356038048772096,467281172929331200,529780027764285440,1092893949038768128,1556959531105513472,1608953577475584000,1649536479961075712,2404761408063094784,2970908329832960000-s64max
PARAM_VALUE 0 ractl->mapping->host->i_sb->s_export_op->get_parent 0,8931,264940071972966400,291591359766798336,565128213429456896,893189740598853632,1241177127089143808,1474696885321834496,1812477326828269568,1893665921928286208,2210088671756947456,2437012291923775488,2483979068402987008-s64max
PARAM_VALUE 0 ractl->mapping->host->i_sb->s_umount.first_waiter->handoff_set 0-1
PARAM_VALUE 0 ractl->mapping->host->i_sb->s_umount.first_waiter->type 0-1
PARAM_VALUE 0 ractl->mapping->invalidate_lock.first_waiter->handoff_set 0-1
PARAM_VALUE 0 ractl->mapping->invalidate_lock.first_waiter->type 0-1
PARAM_VALUE 1 gfp_mask 0,8192-u32max
PARAM_VALUE 2 order 0-31
BUF_SIZE 0 ractl->file s32min-(-1),1-s32max
BUF_SIZE 0 ractl->ra (-1),32
DATA_SOURCE 0 ractl $0
DATA_SOURCE 1 gfp_mask r readahead_gfp_mask
DATA_SOURCE 2 order r mapping_min_folio_order
BIT_INFO 1 gfp_mask 0x12000,0xffffffff
NOSPEC 0 ractl->_index
RX_PATH
TASK_NOT_RUNNING
USER_DATA 0 ractl->_index 1-u64max[c]
USER_DATA 0 ractl->_nr_pages 1-u32max[c][u]
NO_OVERFLOW_SIMPLE 0 ractl->mapping->host->i_bytes
NO_OVERFLOW_SIMPLE 0 ractl->mapping->host->i_size
HALF_LOCKED2 &mapping->invalidate_lock

mm/readahead.c readahead_expand() -> ractl_alloc_folio()

Type Parameter Key Value
PARAM_VALUE 0 ractl 4096-ptr_max
PARAM_VALUE 0 ractl->mapping 4096-ptr_max
PARAM_VALUE 0 ractl->mapping->host->i_op->readlink 0,1728600404483375104,2832489546165891072,2874824064778891264,3069732422725099520,4516337085607264256
PARAM_VALUE 0 ractl->mapping->host->i_sb->s_cop->inode_info_offs 1632,1720,1808,2632,2648,2704,2712
PARAM_VALUE 0 ractl->mapping->host->i_sb->s_export_op->fh_to_dentry 0,8684,447817974243774464,687732489194512384,742201802719268864,868497899885588480,1471448175530500096,2021658383390310400,2445877819203563520,2512819722689847296,2649270699546726400,2761259683714371584,2893332316235677696-s64max
PARAM_VALUE 0 ractl->mapping->host->i_sb->s_export_op->fh_to_parent 0,4672,5297,148606482432692224,436469935444291584,457356038048772096,467281172929331200,529780027764285440,1092893949038768128,1556959531105513472,1608953577475584000,1649536479961075712,2404761408063094784,2970908329832960000-s64max
PARAM_VALUE 0 ractl->mapping->host->i_sb->s_export_op->get_parent 0,8931,264940071972966400,291591359766798336,565128213429456896,893189740598853632,1241177127089143808,1474696885321834496,1812477326828269568,1893665921928286208,2210088671756947456,2437012291923775488,2483979068402987008-s64max
PARAM_VALUE 0 ractl->mapping->host->i_sb->s_umount.first_waiter->handoff_set 0-1
PARAM_VALUE 0 ractl->mapping->host->i_sb->s_umount.first_waiter->type 0-1
PARAM_VALUE 0 ractl->mapping->invalidate_lock.first_waiter->handoff_set 0-1
PARAM_VALUE 0 ractl->mapping->invalidate_lock.first_waiter->type 0-1
PARAM_VALUE 1 gfp_mask 0,8192-u32max
PARAM_VALUE 2 order 0-31
BUF_SIZE 0 ractl->file s32min-(-1),1-s32max
BUF_SIZE 0 ractl->ra (-1),32
CAPPED_DATA 0 ractl->_index 1
CAPPED_DATA 0 ractl->_nr_pages 1
DATA_SOURCE 0 ractl $0
DATA_SOURCE 1 gfp_mask r readahead_gfp_mask
DATA_SOURCE 2 order r mapping_min_folio_order
BIT_INFO 1 gfp_mask 0x12000,0xffffffff
NOSPEC 0 ractl->_index
NOSPEC 0 ractl->_nr_pages
RX_PATH
TASK_NOT_RUNNING
USER_DATA 0 ractl->_index 0-u64max[c]
USER_DATA 0 ractl->_nr_pages 1-s32max[c]
NO_OVERFLOW_SIMPLE 0 ractl->mapping->host->i_bytes
NO_OVERFLOW_SIMPLE 0 ractl->mapping->host->i_size
HALF_LOCKED2 &mapping->invalidate_lock