Defined in 1 files as a prototype:
Defined in 2 files as a function:
Referenced in 4 files:
Smatch caller information:
mm/madvise.c madvise_cold_or_pageout_pte_range() -> split_folio_to_list()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | folio | 4096-ptr_max |
| PARAM_VALUE | 1 | list | 0 |
| DATA_SOURCE | 0 | folio | r _compound_head |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | &mm->mmap_lock |
mm/madvise.c madvise_cold_or_pageout_pte_range() -> split_folio_to_list()
| 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->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 | folio->page.zone_device_data->kref.refcount.refs.counter | s32min-s32max |
| PARAM_VALUE | 1 | list | 0 |
| CAPPED_DATA | 0 | folio | 1 |
| DATA_SOURCE | 0 | folio | r vm_normal_folio |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | &mm->mmap_lock |
mm/madvise.c madvise_free_pte_range() -> split_folio_to_list()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | folio | 4096-ptr_max |
| PARAM_VALUE | 1 | list | 0 |
| CAPPED_DATA | 0 | folio | 1 |
| DATA_SOURCE | 0 | folio | r vm_normal_folio |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | &mm->mmap_lock |
mm/huge_memory.c deferred_split_scan() -> split_folio_to_list()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | folio | 4096-ptr_max |
| PARAM_VALUE | 1 | list | 0 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | global &bch_register_lock |
mm/huge_memory.c madvise_free_huge_pmd() -> split_folio_to_list()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | folio | 4096-ptr_max |
| PARAM_VALUE | 1 | list | 0 |
| DATA_SOURCE | 0 | folio | r _compound_head |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| HALF_LOCKED2 | &mm->mmap_lock |
mm/huge_memory.c split_huge_pages_all() -> split_folio_to_list()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | folio | 4096-ptr_max |
| PARAM_VALUE | 0 | folio->page._refcount.counter | 0-s32max |
| PARAM_VALUE | 1 | list | 0 |
| CAPPED_DATA | 0 | folio | 1 |
| DATA_SOURCE | 0 | folio | r _compound_head |
| LOCK2 | &split_debug_mutex |
mm/userfaultfd.c move_pages_ptes() -> split_folio_to_list()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | folio | 4096-ptr_max |
| PARAM_VALUE | 1 | list | 0 |
| LOCK2 | &ctx->map_changing_lock | ||
| TYPE_LOCK | (struct userfaultfd_ctx)->map_changing_lock |
mm/shmem.c shmem_unused_huge_shrink() -> split_folio_to_list()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | folio | 4096-ptr_max |
| PARAM_VALUE | 0 | folio->index | 0-18446744073709551614 |
| PARAM_VALUE | 1 | list | 0 |
| CAPPED_DATA | 0 | folio->index | 1 |
| DATA_SOURCE | 0 | folio | r filemap_get_entry |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | &sb->s_umount |
mm/shmem.c shmem_writeout() -> split_folio_to_list()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | folio | 4096-ptr_max |
| PARAM_VALUE | 0 | folio->mapping | 4096-ptr_max |
| PARAM_VALUE | 0 | folio->mapping->host->i_op->get_offset_ctx | 0,2606890545167454208 |
| PARAM_VALUE | 0 | folio->mapping->host->i_op->readlink | 0,1728600404483375104,2832489546165891072,2874824064778891264,3069732422725099520,4516337085607264256 |
| 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->inode_info_offs | 1632,1720,1808,2632,2648,2704,2712 |
| PARAM_VALUE | 0 | folio->mapping->host->i_sb->s_cop->set_context | 0,67,317457138841939968,3250154607523569664,5979066299606671360,6756104566897242112 |
| PARAM_VALUE | 0 | folio->mapping->host->i_sb->s_export_op->encode_fh | 0,2,4096-ptr_max |
| 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 | list | 0,2344361713683189760,4866421955161948160,8274130844358815744,8492999078577258496 |
| PARAM_VALUE | 1 | list->prev | 4096-ptr_max |
| BUF_SIZE | 1 | list->next | (-1),16 |
| BUF_SIZE | 1 | list->prev | (-1),16 |
| CAPPED_DATA | 0 | folio | 1 |
| CAPPED_DATA | 1 | list | 1 |
| DATA_SOURCE | 0 | folio | $1 |
| DATA_SOURCE | 1 | list | $2 |
| RX_PATH | |||
| TASK_NOT_RUNNING |
mm/migrate_device.c migrate_vma_collect_huge_pmd() -> split_folio_to_list()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | folio | 4096-ptr_max |
| PARAM_VALUE | 0 | folio->pgmap | 4096-ptr_max |
| PARAM_VALUE | 1 | list | 0 |
| CAPPED_DATA | 0 | folio | 1 |
| PREEMPT_ADD | <- disables preempt | ||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 0 | folio | unit_page |
| HALF_LOCKED2 | &mm->mmap_lock |
mm/migrate_device.c migrate_vma_split_folio() -> split_folio_to_list()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | folio | 4096-ptr_max |
| PARAM_VALUE | 1 | list | 0 |
| CAPPED_DATA | 0 | folio | 1 |
| DATA_SOURCE | 0 | folio | $0 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 0 | folio | unit_page |
| HALF_LOCKED2 | &mm->mmap_lock |
mm/vmscan.c shrink_folio_list() -> split_folio_to_list()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | folio | 4096-ptr_max |
| PARAM_VALUE | 0 | folio->mapping | 1-u64max |
| 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 | list | 2344361713683189760,4866421955161948160,8274130844358815744,8492999078577258496 |
| PARAM_VALUE | 1 | list->prev | 4096-ptr_max |
| CAPPED_DATA | 0 | folio | 1 |
| CAPPED_DATA | 1 | list | 1 |
| DATA_SOURCE | 0 | folio | r lru_to_folio |
| DATA_SOURCE | 1 | list | $0 |
| PARAM_COMPARE | 0 | &folio->_deferred_list | != $0->_deferred_list.next |
| PARAM_COMPARE | 1 | list | != $1->next |
| PARAM_COMPARE | 1 | list | != $1->next |
| RX_PATH | |||
| TASK_NOT_RUNNING |
mm/vmscan.c shrink_folio_list() -> split_folio_to_list()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | folio | 4096-ptr_max |
| PARAM_VALUE | 0 | folio->mapping | 1-u64max |
| 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 | list | 2344361713683189760,4866421955161948160,8274130844358815744,8492999078577258496 |
| PARAM_VALUE | 1 | list->prev | 4096-ptr_max |
| CAPPED_DATA | 0 | folio | 1 |
| CAPPED_DATA | 1 | list | 1 |
| DATA_SOURCE | 0 | folio | r lru_to_folio |
| DATA_SOURCE | 1 | list | $0 |
| PARAM_COMPARE | 1 | list | != $1->next |
| PARAM_COMPARE | 1 | list | != $1->next |
| RX_PATH | |||
| TASK_NOT_RUNNING |
mm/migrate.c try_split_folio() -> split_folio_to_list()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | folio | 4096-ptr_max |
| 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 | list | 0,6064230868783644672 |
| BUF_SIZE | 1 | list->next | (-1),16 |
| BUF_SIZE | 1 | list->prev | (-1),16 |
| DATA_SOURCE | 0 | folio | $0 |
| DATA_SOURCE | 1 | list | $1 |
| RX_PATH | |||
| TASK_NOT_RUNNING |