Defined in 2 files as a function:
- include/linux/hugetlb_cgroup.h, line 70 (as a function)
- include/linux/hugetlb_cgroup.h, line 167 (as a function)
Referenced in 2 files:
Smatch caller information:
mm/hugetlb.c remove_hugetlb_folio() -> hugetlb_cgroup_from_folio()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | folio | 4096-ptr_max |
| CAPPED_DATA | 0 | folio | 1 |
| DATA_SOURCE | 0 | folio | $1 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 0 | folio | unit_page |
| LOCK2 | global &hugetlb_lock | ||
| HALF_LOCKED2 | &h->resize_lock | ||
| HALF_LOCKED2 | &of->mutex | ||
| HALF_LOCKED2 | flags | ||
| HALF_LOCKED2 | global &pcp_batch_high_lock | ||
| HALF_LOCKED2 | irq |
mm/hugetlb_cgroup.c hugetlb_cgroup_migrate() -> hugetlb_cgroup_from_folio()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | folio | 4096-ptr_max |
| PARAM_VALUE | 0 | folio->_hugetlb_subpool | 0 |
| PARAM_VALUE | 0 | folio->lru.next | 4096-ptr_max |
| PARAM_VALUE | 0 | folio->lru.prev | 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->mapping->i_private_lock.rlock.dep_map->name | 0-255 |
| PARAM_VALUE | 0 | folio->memcg_data | 0 |
| PARAM_VALUE | 0 | folio->page.memcg_data | 0 |
| PARAM_VALUE | 0 | folio->pgmap->ref.data | 0,4096-ptr_max |
| PARAM_VALUE | 0 | *folio->_mm_id | 0-4294967295 |
| CAPPED_DATA | 0 | folio | 1 |
| DATA_SOURCE | 0 | folio | $0 |
| PREEMPT_ADD | <- disables preempt | ||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | global &hugetlb_lock | ||
| LOCK2 | irq | ||
| HALF_LOCKED2 | &ctx->walk_control_lock | ||
| HALF_LOCKED2 | &dev->mutex | ||
| HALF_LOCKED2 | global &mf_mutex | ||
| HALF_LOCKED2 | global &pcp_batch_high_lock |
mm/hugetlb_cgroup.c hugetlb_cgroup_move_parent() -> hugetlb_cgroup_from_folio()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | folio | 4096-ptr_max |
| DATA_SOURCE | 0 | folio | $2 |
| PREEMPT_ADD | |||
| LOCK2 | global &cgroup_mutex | ||
| LOCK2 | global &hugetlb_lock | ||
| LOCK2 | irq | ||
| HALF_LOCKED2 | &pool->lock |