Documented in 1 files:
Defined in 1 files as a prototype:
Defined in 2 files as a function:
Referenced in 5 files:
- mm/huge_memory.c, line 3508
- mm/khugepaged.c, line 2455
- mm/memory-failure.c
- mm/truncate.c, line 199
- mm/vmscan.c, line 1348
Smatch caller information:
mm/huge_memory.c unmap_folio() -> try_to_unmap()
| 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 | 1 | flags | 216,220 |
| CAPPED_DATA | 0 | folio | 1 |
| DATA_SOURCE | 0 | folio | $0 |
| BIT_INFO | 1 | flags | 0xd8,0xdc |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| HALF_LOCKED2 | &anon_vma->root->rwsem | ||
| HALF_LOCKED2 | &mapping->i_mmap_rwsem |
mm/vmscan.c shrink_folio_list() -> try_to_unmap()
| 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 | flags | 64,68,80,84 |
| CAPPED_DATA | 0 | folio | 1 |
| DATA_SOURCE | 0 | folio | r lru_to_folio |
| FUZZY_MAX | 1 | flags | 64 |
| BIT_INFO | 1 | flags | 0x40,0x54 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL |
mm/truncate.c folio_split_or_unmap() -> try_to_unmap()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | folio | 4096-ptr_max |
| PARAM_VALUE | 0 | folio->lru.prev->next | 4096-ptr_max |
| PARAM_VALUE | 0 | folio->lru.prev->next->next | 4096-ptr_max |
| PARAM_VALUE | 0 | folio->mapping | 4096-ptr_max |
| PARAM_VALUE | 0 | folio->mapping->a_ops | 0-5722896659487309823,5722896659487309825-u64max |
| PARAM_VALUE | 0 | folio->mapping->i_mmap_rwsem.dep_map->name | 0-255 |
| PARAM_VALUE | 0 | folio->mapping->i_mmap_rwsem.first_waiter->handoff_set | 0-1 |
| PARAM_VALUE | 0 | folio->mapping->i_mmap_rwsem.first_waiter->list.next | 2212933610777083904 |
| PARAM_VALUE | 0 | folio->mapping->i_mmap_rwsem.first_waiter->list.prev | 2212933610777083904 |
| PARAM_VALUE | 0 | folio->mapping->i_mmap_rwsem.first_waiter->type | 0-1 |
| PARAM_VALUE | 0 | folio->mapping->i_private_lock.rlock.dep_map->name | 0-255 |
| PARAM_VALUE | 0 | *folio->_mm_id | 0-4294967295 |
| PARAM_VALUE | 1 | flags | 28 |
| DATA_SOURCE | 0 | folio | $0 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| HALF_LOCKED2 | &inode->i_rwsem |
mm/memory-failure.c unmap_poisoned_folio() -> try_to_unmap()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | folio | 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->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 | flags | 152,184 |
| CAPPED_DATA | 0 | folio | 1 |
| DATA_SOURCE | 0 | folio | $0 |
| BIT_INFO | 1 | flags | 0x98,0xb8 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| UNITS | 0 | folio | unit_page |
| HALF_LOCKED2 | &dev->mutex | ||
| HALF_LOCKED2 | global &mf_mutex | ||
| HALF_LOCKED2 | global &pcp_batch_high_lock |
mm/memory-failure.c unmap_poisoned_folio() -> try_to_unmap()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | folio | 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->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 | flags | 24,56 |
| CAPPED_DATA | 0 | folio | 1 |
| DATA_SOURCE | 0 | folio | $0 |
| FUZZY_MAX | 1 | flags | 56 |
| BIT_INFO | 1 | flags | 0x18,0x38 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| UNITS | 0 | folio | unit_page |
| HALF_LOCKED2 | &dev->mutex | ||
| HALF_LOCKED2 | global &mf_mutex | ||
| HALF_LOCKED2 | global &pcp_batch_high_lock |
mm/khugepaged.c collapse_file() -> try_to_unmap()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | folio | 4096-ptr_max |
| PARAM_VALUE | 0 | folio->mapping->host->i_sb->s_export_op->fh_to_dentry | 0,8684,447817974243774464,687732489194512384,742201802719268864 |
| 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 | flags | 72 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| HALF_LOCKED2 | &mm->mmap_lock |