Defined in 1 files as a function:
Referenced in 1 files:
Smatch caller information:
mm/swapfile.c alloc_swap_scan_list() -> alloc_swap_scan_cluster()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | si | 4096-ptr_max |
| PARAM_VALUE | 0 | si->lock.rlock.dep_map->name | 0-255 |
| PARAM_VALUE | 0 | *si->global_cluster->next | 0-4294967295 |
| PARAM_VALUE | 1 | ci | 4096-ptr_max |
| PARAM_VALUE | 2 | folio | 0,4096-ptr_max |
| PARAM_VALUE | 2 | folio->mapping | 1-u64max |
| PARAM_VALUE | 2 | folio->mapping->i_mmap_rwsem.first_waiter->handoff_set | 0-1 |
| PARAM_VALUE | 2 | folio->mapping->i_mmap_rwsem.first_waiter->type | 0-1 |
| PARAM_VALUE | 2 | *folio->_mm_id | 0-4294967295 |
| PARAM_VALUE | 3 | offset | 0-u32max |
| DATA_SOURCE | 0 | si | $0 |
| DATA_SOURCE | 1 | ci | r isolate_lock_cluster |
| DATA_SOURCE | 2 | folio | $2 |
| DATA_SOURCE | 3 | offset | r cluster_offset |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | global &device_hotplug_lock | ||
| HALF_LOCKED2 | global &system_transition_mutex | ||
| HALF_LOCKED2 | 0 | &si->global_cluster_lock |
mm/swapfile.c cluster_alloc_swap_entry() -> alloc_swap_scan_cluster()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | si | 4096-ptr_max |
| PARAM_VALUE | 0 | si->global_cluster | 4096-ptr_max |
| PARAM_VALUE | 0 | si->global_cluster->next | 4096-ptr_max |
| PARAM_VALUE | 0 | si->global_cluster_lock.rlock.dep_map->name | 0-255 |
| PARAM_VALUE | 0 | *si->global_cluster->next | 0-4294967295 |
| PARAM_VALUE | 1 | ci | 4096-ptr_max |
| PARAM_VALUE | 1 | ci->flags | 0-3 |
| PARAM_VALUE | 1 | ci->table | 1,4096-ptr_max |
| PARAM_VALUE | 2 | folio | 0,4096-ptr_max |
| PARAM_VALUE | 2 | folio->mapping | 1-u64max |
| PARAM_VALUE | 2 | folio->mapping->i_mmap_rwsem.first_waiter->handoff_set | 0-1 |
| PARAM_VALUE | 2 | folio->mapping->i_mmap_rwsem.first_waiter->type | 0-1 |
| PARAM_VALUE | 2 | *folio->_mm_id | 0-4294967295 |
| DATA_SOURCE | 0 | si | $0 |
| DATA_SOURCE | 1 | ci | r swap_cluster_lock |
| DATA_SOURCE | 2 | folio | $1 |
| BIT_INFO | 0 | si->flags | 0x0,0xffffffffffffffef |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | 0 | &si->global_cluster_lock | |
| HALF_LOCKED2 | global &device_hotplug_lock | ||
| HALF_LOCKED2 | global &system_transition_mutex | ||
| TYPE_LOCK | (struct swap_info_struct)->global_cluster_lock |
mm/swapfile.c swap_alloc_fast() -> alloc_swap_scan_cluster()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | si | 4096-ptr_max |
| PARAM_VALUE | 0 | si->users.percpu_count_ptr | 1-u64max |
| PARAM_VALUE | 1 | ci | 4096-ptr_max |
| PARAM_VALUE | 1 | ci->flags | 0-3 |
| PARAM_VALUE | 1 | ci->table | 1,4096-ptr_max |
| PARAM_VALUE | 2 | folio | 4096-ptr_max |
| PARAM_VALUE | 2 | folio->mapping | 1-u64max |
| PARAM_VALUE | 2 | folio->mapping->host->i_op->get_offset_ctx | 0,2606890545167454208 |
| PARAM_VALUE | 2 | folio->mapping->host->i_op->readlink | 0,1728600404483375104,2832489546165891072,2874824064778891264,3069732422725099520,4516337085607264256 |
| PARAM_VALUE | 2 | folio->mapping->host->i_sb->s_cop->empty_dir | 0,86,661756434209751040,4392966320616476672,5234023279986843648,8614756098313990144 |
| PARAM_VALUE | 2 | folio->mapping->host->i_sb->s_cop->get_context | 0,706,17350455714160640,4513809449498124288,5149251875611672576,7067778626864828416 |
| PARAM_VALUE | 2 | folio->mapping->host->i_sb->s_cop->inode_info_offs | 1632,1720,1808,2632,2648,2704,2712 |
| PARAM_VALUE | 2 | folio->mapping->host->i_sb->s_cop->set_context | 0,67,317457138841939968,3250154607523569664,5979066299606671360,6756104566897242112 |
| PARAM_VALUE | 2 | folio->mapping->host->i_sb->s_export_op->encode_fh | 0,2,1398972869330624512,1616549510479982592,2037984473558433792,2776440803454029824,3228746867770966016,3502492669594062848,3526768263295340544,3559173554394271744,5000850239487131648,5583386343686406144,5817357685191483392-s64max |
| PARAM_VALUE | 2 | folio->mapping->host->i_sb->s_export_op->fh_to_parent | 0,5297,148606482432692224,436469935444291584,467281172929331200,529780027764285440,1092893949038768128,1556959531105513472,1608953577475584000,1649536479961075712,2404761408063094784,2970908329832960000,3511613614414655488-s64max |
| PARAM_VALUE | 2 | folio->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 | 2 | folio->mapping->i_mmap_rwsem.first_waiter->handoff_set | 0-1 |
| PARAM_VALUE | 2 | folio->mapping->i_mmap_rwsem.first_waiter->type | 0-1 |
| PARAM_VALUE | 2 | *folio->_mm_id | 0-4294967295 |
| CAPPED_DATA | 2 | folio | 1 |
| DATA_SOURCE | 1 | ci | r swap_cluster_lock |
| DATA_SOURCE | 2 | folio | $0 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL |
mm/swapfile.c swap_alloc_hibernation_slot() -> alloc_swap_scan_cluster()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 1 | ci | 4096-ptr_max |
| PARAM_VALUE | 1 | ci->flags | 0-3 |
| PARAM_VALUE | 1 | ci->table | 1,4096-ptr_max |
| PARAM_VALUE | 2 | folio | 0 |
| DATA_SOURCE | 0 | si | r swap_type_to_info |
| DATA_SOURCE | 1 | ci | r swap_cluster_lock |
| BIT_INFO | 3 | offset | 0x0,0x0 |
| PREEMPT_ADD | <- disables preempt | ||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | global &device_hotplug_lock | ||
| LOCK2 | global &system_transition_mutex |