Defined in 2 files as a function:
- include/linux/percpu_counter.h, line 108 (as a function)
- include/linux/percpu_counter.h, line 231 (as a function)
Referenced in 6 files:
- fs/ext2/ialloc.c, line 645
- fs/ext4/resize.c, line 1496
- include/linux/percpu_counter.h, line 252
- lib/flex_proportions.c, line 126
- lib/percpu_counter.c, line 296
- mm/page-writeback.c
Smatch caller information:
lib/percpu_counter.c __percpu_counter_compare() -> percpu_counter_read()
| Type | Parameter | Key | Value |
|---|---|---|---|
| DATA_SOURCE | 0 | fbc | $0 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | &sbinfo->stat_lock | ||
| HALF_LOCKED2 | flags |
mm/page-writeback.c __wb_update_bandwidth() -> percpu_counter_read()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | fbc | 4096-ptr_max |
| BUF_SIZE | 0 | fbc | 312 |
| PREEMPT_ADD | <- disables preempt | ||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | &wb->list_lock | ||
| TYPE_LOCK | (struct bdi_writeback)->list_lock |
mm/page-writeback.c __wb_update_bandwidth() -> percpu_counter_read()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | fbc | 4096-ptr_max |
| BUF_SIZE | 0 | fbc | 208 |
| PREEMPT_ADD | <- disables preempt | ||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | &wb->list_lock | ||
| TYPE_LOCK | (struct bdi_writeback)->list_lock |
lib/flex_proportions.c fprop_reflect_period_percpu() -> percpu_counter_read()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | fbc | 4096-ptr_max |
| PREEMPT_ADD | <- disables preempt | ||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | &pl->lock | ||
| LOCK2 | flags | ||
| HALF_LOCKED2 | &(&mapping->i_pages)->xa_lock | ||
| HALF_LOCKED2 | flags | ||
| TYPE_LOCK | (struct fprop_local_percpu)->lock |