Documented in 1 files:
Defined in 1 files as a function:
Referenced in 3 files:
Smatch caller information:
mm/huge_memory.c is_zero_folio() -> is_zero_page()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | page | 4096-ptr_max |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | &mm->mmap_lock | ||
| HALF_LOCKED2 | &oldmm->mmap_lock | ||
| HALF_LOCKED2 | dst_ptl | ||
| HALF_LOCKED2 | src_ptl |
mm/gup_test.c is_zero_folio() -> is_zero_page()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | page | 4096-ptr_max |
mm/rmap.c is_zero_folio() -> is_zero_page()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | page | 4096-ptr_max |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | &folio->private->lock |
mm/hugetlb.c is_zero_folio() -> is_zero_page()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | page | 4096-ptr_max |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | global &hugetlb_lock | ||
| LOCK2 | irq |
mm/ksm.c is_zero_folio() -> is_zero_page()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | page | 4096-ptr_max |
| LOCK2 | &mm->mmap_lock | ||
| LOCK2 | global &ksm_thread_mutex | ||
| TYPE_LOCK | (struct mm_struct)->mmap_lock |
mm/migrate_device.c is_zero_folio() -> is_zero_page()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | page | 4096-ptr_max |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | ptl | ||
| HALF_LOCKED2 | &mm->mmap_lock |
mm/memory.c is_zero_folio() -> is_zero_page()
| Type | Parameter | Key | Value |
|---|---|---|---|
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | &mm->mmap_lock | ||
| HALF_LOCKED2 | &oldmm->mmap_lock | ||
| HALF_LOCKED2 | dst_ptl | ||
| HALF_LOCKED2 | rcu_read | ||
| HALF_LOCKED2 | src_ptl |
block/bio.c is_zero_folio() -> is_zero_page()
| Type | Parameter | Key | Value |
|---|---|---|---|
| RX_PATH | |||
| TASK_NOT_RUNNING |
mm/gup.c is_zero_folio() -> is_zero_page()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING |
mm/gup.c sanity_check_pinned_pages() -> is_zero_page()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | page | 4096-ptr_max |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING |
mm/gup.c try_grab_folio_fast() -> is_zero_page()
| Type | Parameter | Key | Value |
|---|---|---|---|
| DATA_SOURCE | 0 | page | $0 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 0 | page | unit_page |
| LOCK2 | flags | ||
| HALF_LOCKED2 | rcu_read |
mm/migrate.c is_zero_folio() -> is_zero_page()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | page | 1-u64max |
| LOCK2 | &mm->mmap_lock | ||
| TYPE_LOCK | (struct mm_struct)->mmap_lock |