Defined in 1 files as a function:
Referenced in 1 files:
Smatch caller information:
mm/page_isolation.c find_buddy_page_pfn() -> page_is_buddy()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | page | 4096-ptr_max |
| PARAM_VALUE | 0 | page->flags.f | 0-18446744073709551614 |
| PARAM_VALUE | 2 | order | 9 |
| DATA_SOURCE | 0 | page | $0 |
| DATA_SOURCE | 2 | order | $2 |
| PARAM_COMPARE | 0 | page | <= $1 |
| PARAM_COMPARE | 1 | buddy | >= $0 |
| PARAM_COMPARE | 1 | buddy | >= $0 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 0 | page | unit_page |
| UNITS | 1 | buddy | 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 find_buddy_page_pfn() -> page_is_buddy()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 1 | buddy | 4096-ptr_max |
| PARAM_VALUE | 2 | order | 0-9 |
| DATA_SOURCE | 0 | page | $0 |
| DATA_SOURCE | 2 | order | $2 |
| PARAM_COMPARE | 0 | page | <= $1 |
| PARAM_COMPARE | 1 | buddy | >= $0 |
| PARAM_COMPARE | 1 | buddy | >= $0 |
| NOSPEC | 2 | order | |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HOST_DATA | 0 | page | 4096-s32max[c] |
| HOST_DATA | 0 | page->private | 0-9[c] |
| HOST_DATA | 2 | order | 1-9[c] |
| USER_DATA | 0 | page | 4096-s32max[c] |
| USER_DATA | 0 | page->private | 0-9[c] |
| USER_DATA | 2 | order | 1-9[c] |
| UNITS | 0 | page | unit_page |
| UNITS | 1 | buddy | unit_page |
| UNITS | 2 | order | unit_byte |
| HALF_LOCKED2 | &attr->mutex | ||
| HALF_LOCKED2 | &zone->lock | ||
| HALF_LOCKED2 | global &mf_mutex | ||
| HALF_LOCKED2 | irq | ||
| TYPE_LOCK | (struct zone)->lock |