Documented in 1 files:
Defined in 1 files as a function:
Referenced in 2 files:
Smatch caller information:
mm/memcontrol.c percpu_ref_tryget() -> percpu_ref_tryget_many()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | ref | 4096-ptr_max |
| PARAM_VALUE | 1 | nr | 1 |
| DATA_SOURCE | 0 | ref | $0 |
mm/page-writeback.c percpu_ref_tryget() -> percpu_ref_tryget_many()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | ref | 4096-ptr_max |
| PARAM_VALUE | 1 | nr | 1 |
| DATA_SOURCE | 0 | ref | $0 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | rcu_read | ||
| HALF_LOCKED2 | &inode->i_rwsem |
net/core/devmem.c percpu_ref_tryget() -> percpu_ref_tryget_many()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | ref | 4096-ptr_max |
| PARAM_VALUE | 1 | nr | 1 |
| DATA_SOURCE | 0 | ref | $0 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | rcu_read |
block/blk-mq.c percpu_ref_tryget() -> percpu_ref_tryget_many()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | ref | 4096-ptr_max |
| PARAM_VALUE | 1 | nr | 1 |
| DATA_SOURCE | 0 | ref | $0 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | &ctx->uring_lock |
mm/backing-dev.c percpu_ref_tryget() -> percpu_ref_tryget_many()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | ref | 4096-ptr_max |
| PARAM_VALUE | 1 | nr | 1 |
| DATA_SOURCE | 0 | ref | $0 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | &m->lock | ||
| HALF_LOCKED2 | global &cgwb_lock | ||
| HALF_LOCKED2 | irq | ||
| HALF_LOCKED2 | rcu_read |
mm/zswap.c percpu_ref_tryget() -> percpu_ref_tryget_many()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | ref | 4096-ptr_max |
| PARAM_VALUE | 1 | nr | 1 |
| DATA_SOURCE | 0 | ref | $0 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | bh | ||
| HALF_LOCKED2 | global &zswap_pools_lock | ||
| HALF_LOCKED2 | rcu_read |
fs/fs-writeback.c percpu_ref_tryget() -> percpu_ref_tryget_many()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | ref | 4096-ptr_max |
| PARAM_VALUE | 1 | nr | 1 |
| DATA_SOURCE | 0 | ref | $0 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | rcu_read | ||
| HALF_LOCKED2 | &bdi->wb_switch_rwsem | ||
| HALF_LOCKED2 | &sb->s_umount |
block/blk-core.c percpu_ref_tryget() -> percpu_ref_tryget_many()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | ref | 4096-ptr_max |
| PARAM_VALUE | 1 | nr | 1 |
| DATA_SOURCE | 0 | ref | $0 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | &ctx->uring_lock | ||
| HALF_LOCKED2 | rcu_read |
kernel/cgroup/cgroup.c percpu_ref_tryget() -> percpu_ref_tryget_many()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | ref | 4096-ptr_max |
| PARAM_VALUE | 1 | nr | 1 |
| DATA_SOURCE | 0 | ref | $0 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | &inode->i_lock | ||
| HALF_LOCKED2 | &kvm->lock | ||
| HALF_LOCKED2 | &kvm->slots_lock | ||
| HALF_LOCKED2 | &mctz->lock | ||
| HALF_LOCKED2 | irq | ||
| HALF_LOCKED2 | rcu_read |
block/blk-cgroup.c percpu_ref_tryget() -> percpu_ref_tryget_many()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | ref | 4096-ptr_max |
| PARAM_VALUE | 1 | nr | 1 |
| DATA_SOURCE | 0 | ref | $0 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | rcu_read |
mm/memremap.c zone_device_page_init() -> percpu_ref_tryget_many()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | ref | 4096-ptr_max |
| PARAM_VALUE | 1 | nr | 0-u32max |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | &mm->mmap_lock | ||
| HALF_LOCKED2 | &driver_migrate_lock | ||
| HALF_LOCKED2 | &prange->migrate_mutex | ||
| HALF_LOCKED2 | &svms->lock | ||
| HALF_LOCKED2 | &vm->lock | ||
| HALF_LOCKED2 | global &drm_unplug_srcu | ||
| TYPE_LOCK | (struct mm_struct)->mmap_lock |
block/blk-iolatency.c percpu_ref_tryget() -> percpu_ref_tryget_many()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | ref | 4096-ptr_max |
| PARAM_VALUE | 1 | nr | 1 |
| DATA_SOURCE | 0 | ref | $0 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | rcu_read |
drivers/block/nbd.c percpu_ref_tryget() -> percpu_ref_tryget_many()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | ref | 4096-ptr_max |
| PARAM_VALUE | 1 | nr | 1 |
| DATA_SOURCE | 0 | ref | $0 |
| HALF_LOCKED2 | &pool->lock |
block/blk-mq-tag.c percpu_ref_tryget() -> percpu_ref_tryget_many()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | ref | 4096-ptr_max |
| PARAM_VALUE | 1 | nr | 1 |
| DATA_SOURCE | 0 | ref | $0 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | &of->mutex |