Defined in 2 files as a function:
Referenced in 2 files:
Smatch caller information:
mm/memcontrol.c __memcg_slab_free_hook() -> slab_obj_ext()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | s | 4096-ptr_max |
| PARAM_VALUE | 1 | slab | 4096-ptr_max |
| PARAM_VALUE | 1 | slab->obj_exts_in_object | 1 |
| PARAM_VALUE | 1 | slab->obj_exts_needs_objcg | 1 |
| PARAM_VALUE | 2 | obj_exts | 8-u64max |
| CAPPED_DATA | 2 | obj_exts | 1 |
| CAPPED_DATA | 2 | obj_exts | 1 |
| DATA_SOURCE | 0 | s | $0 |
| DATA_SOURCE | 1 | slab | $1 |
| DATA_SOURCE | 2 | obj_exts | $4 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NO_OVERFLOW_SIMPLE | 0 | s->object_size | |
| NO_OVERFLOW_SIMPLE | 0 | s->sheaf_capacity |
mm/memcontrol.c __memcg_slab_post_alloc_hook() -> slab_obj_ext()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | s | 4096-ptr_max |
| PARAM_VALUE | 1 | slab | 4096-ptr_max |
| PARAM_VALUE | 2 | obj_exts | 0,8-u64max |
| DATA_SOURCE | 0 | s | $0 |
| DATA_SOURCE | 1 | slab | r virt_to_slab |
| DATA_SOURCE | 2 | obj_exts | r slab_obj_exts |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NO_OVERFLOW_SIMPLE | 0 | s->object_size |
mm/memcontrol.c mem_cgroup_from_obj_slab() -> slab_obj_ext()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 1 | slab | 4096-ptr_max |
| PARAM_VALUE | 1 | slab->obj_exts_needs_objcg | 1 |
| PARAM_VALUE | 2 | obj_exts | 8-u64max |
| PARAM_VALUE | 3 | obj | 4096-ptr_max |
| CAPPED_DATA | 3 | obj | 1 |
| DATA_SOURCE | 1 | slab | $0 |
| DATA_SOURCE | 2 | obj_exts | r slab_obj_exts |
| DATA_SOURCE | 3 | obj | $1 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | rcu_read | ||
| HALF_LOCKED2 | &(&mapping->i_pages)->xa_lock |
mm/slub.c memcg_slab_post_charge() -> slab_obj_ext()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | s | 4096-ptr_max |
| PARAM_VALUE | 1 | slab | 4096-ptr_max |
| PARAM_VALUE | 1 | slab->slab_cache | 4096-ptr_max |
| PARAM_VALUE | 2 | obj_exts | 8-u64max |
| PARAM_VALUE | 3 | obj | 4096-ptr_max |
| CAPPED_DATA | 3 | obj | 1 |
| DATA_SOURCE | 1 | slab | r page_slab |
| DATA_SOURCE | 2 | obj_exts | r slab_obj_exts |
| DATA_SOURCE | 3 | obj | $0 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 3 | obj | unit_byte |
| HALF_LOCKED2 | sk |