Defined in 1 files as a prototype:
Defined in 1 files as a function:
Referenced in 2 files:
Smatch caller information:
kernel/cgroup/cgroup.c do_cgroup_task_dead() -> cgroup_update_frozen()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PREEMPT_ADD | <- disables preempt | ||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| LOCK2 | flags | ||
| LOCK2 | global &css_set_lock |
kernel/cgroup/freezer.c cgroup_do_freeze() -> cgroup_update_frozen()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | cgrp | 4096-ptr_max |
| PARAM_VALUE | 0 | cgrp->self.flags | 2-u32max |
| CAPPED_DATA | 0 | cgrp->freezer.nr_frozen_descendants | 1 |
| CAPPED_DATA | 0 | cgrp->nr_descendants | 1 |
| DATA_SOURCE | 0 | cgrp | $0 |
| PARAM_COMPARE | 0 | cgrp->freezer.nr_frozen_descendants | == $0->nr_descendants |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| LOCK2 | &of->mutex | ||
| LOCK2 | global &cgroup_mutex | ||
| LOCK2 | global &css_set_lock | ||
| LOCK2 | irq | ||
| HALF_LOCKED2 | &of->prealloc_mutex | ||
| HALF_LOCKED2 | &pool->lock | ||
| TYPE_LOCK | (struct kernfs_open_file)->mutex |
kernel/cgroup/freezer.c cgroup_enter_frozen() -> cgroup_update_frozen()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | cgrp | 4096-ptr_max |
| DATA_SOURCE | 0 | cgrp | r task_dfl_cgroup |
| PREEMPT_ADD | <- disables preempt | ||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| LOCK2 | global &css_set_lock | ||
| LOCK2 | irq | ||
| HALF_LOCKED2 | &sighand->siglock |
kernel/cgroup/freezer.c cgroup_freezer_migrate_task() -> cgroup_update_frozen()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | cgrp | 4096-ptr_max |
| DATA_SOURCE | 0 | cgrp | $2 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| LOCK2 | global &css_set_lock | ||
| LOCK2 | irq | ||
| HALF_LOCKED2 | &pool->lock | ||
| HALF_LOCKED2 | global &cgroup_mutex |
kernel/cgroup/freezer.c cgroup_freezer_migrate_task() -> cgroup_update_frozen()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | cgrp | 4096-ptr_max |
| DATA_SOURCE | 0 | cgrp | $1 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| LOCK2 | global &css_set_lock | ||
| LOCK2 | irq | ||
| HALF_LOCKED2 | &pool->lock | ||
| HALF_LOCKED2 | global &cgroup_mutex |
kernel/cgroup/freezer.c cgroup_leave_frozen() -> cgroup_update_frozen()
| Type | Parameter | Key | Value |
|---|---|---|---|
| DATA_SOURCE | 0 | cgrp | r task_dfl_cgroup |
| PREEMPT_ADD | <- disables preempt | ||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| LOCK2 | global &css_set_lock | ||
| LOCK2 | irq |