Defined in 1 files as a function:
Referenced in 2 files:
Smatch caller information:
ipc/msg.c do_msgrcv() -> percpu_counter_sub_local()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | fbc | 4096-ptr_max |
| CAPPED_DATA | 1 | amount | 1 |
| PREEMPT_ADD | <- disables preempt | ||
| NOCHECK_CALL | |||
| LOCK2 | &msq->q_perm.lock | ||
| LOCK2 | rcu_read | ||
| TYPE_LOCK | (struct kern_ipc_perm)->lock |
ipc/msg.c do_msgrcv() -> percpu_counter_sub_local()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | fbc | 4096-ptr_max |
| PARAM_VALUE | 1 | amount | 1 |
| PREEMPT_ADD | <- disables preempt | ||
| NOCHECK_CALL | |||
| LOCK2 | &msq->q_perm.lock | ||
| LOCK2 | rcu_read | ||
| TYPE_LOCK | (struct kern_ipc_perm)->lock |
ipc/msg.c freeque() -> percpu_counter_sub_local()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | fbc | 4096-ptr_max |
| PARAM_VALUE | 1 | amount | 1 |
| NOCHECK_CALL | |||
| HALF_LOCKED2 | &ids->rwsem | ||
| HALF_LOCKED2 | &ipcp->lock | ||
| HALF_LOCKED2 | &msq->q_perm.lock | ||
| HALF_LOCKED2 | &pool->lock |
ipc/msg.c freeque() -> percpu_counter_sub_local()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | fbc | 4096-ptr_max |
| NOCHECK_CALL | |||
| HALF_LOCKED2 | &ids->rwsem | ||
| HALF_LOCKED2 | &ipcp->lock | ||
| HALF_LOCKED2 | &msq->q_perm.lock | ||
| HALF_LOCKED2 | &pool->lock |
fs/nfsd/nfscache.c nfsd_stats_drc_mem_usage_sub() -> percpu_counter_sub_local()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | fbc | 4096-ptr_max |
| BUF_SIZE | 0 | fbc | 8632 |
| DATA_SOURCE | 1 | amount | $1 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| UNITS | 1 | amount | unit_byte |
| HALF_LOCKED2 | &b->cache_lock |