Defined in 2 files as a function:
Referenced in 3 files:
Smatch caller information:
kernel/power/snapshot.c saveable_page() -> page_is_guard()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | page | 4096-ptr_max |
| DATA_SOURCE | 0 | page | r pfn_to_online_page |
| RX_PATH | |||
| TASK_NOT_RUNNING |
mm/page_isolation.c page_is_buddy() -> page_is_guard()
| Type | Parameter | Key | Value |
|---|---|---|---|
| DATA_SOURCE | 0 | page | $1 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 0 | page | unit_page |
| LOCK2 | &zone->lock | ||
| LOCK2 | irq | ||
| HALF_LOCKED2 | &dev->mutex | ||
| HALF_LOCKED2 | global &pcp_batch_high_lock | ||
| TYPE_LOCK | (struct zone)->lock |
mm/page_alloc.c __free_one_page() -> page_is_guard()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | page | 4096-ptr_max |
| DATA_SOURCE | 0 | page | r find_buddy_page_pfn |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | &attr->mutex | ||
| HALF_LOCKED2 | &zone->lock | ||
| HALF_LOCKED2 | &zone->lock | ||
| HALF_LOCKED2 | global &mf_mutex | ||
| HALF_LOCKED2 | irq | ||
| TYPE_LOCK | (struct zone)->lock |
mm/page_alloc.c page_is_buddy() -> page_is_guard()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | page | 4096-ptr_max |
| DATA_SOURCE | 0 | page | $1 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 0 | page | unit_page |
| HALF_LOCKED2 | &attr->mutex | ||
| HALF_LOCKED2 | &zone->lock | ||
| HALF_LOCKED2 | global &mf_mutex | ||
| HALF_LOCKED2 | irq | ||
| TYPE_LOCK | (struct zone)->lock |