Defined in 2 files as a function:
- include/linux/page_table_check.h, line 104 (as a function)
- include/linux/page_table_check.h, line 155 (as a function)
Referenced in 1 files:
Smatch caller information:
mm/khugepaged.c retract_page_tables() -> page_table_check_pte_clear_range()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | mm | 4096-ptr_max |
| PARAM_VALUE | 0 | mm->mm_users.counter | s32min-(-1),1-s32max |
| DATA_SOURCE | 2 | pmd | r pmdp_collapse_flush |
| BIT_INFO | 1 | addr | 0x0,0xffffffffffe00000 |
| BIT_INFO | 1 | addr | 0x0,0xffffffffffe00000 |
| PREEMPT_ADD | <- disables preempt | ||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| USER_DATA | 1 | addr | 0-u64max[c] |
| UNITS | 0 | mm | unit_byte |
| UNITS | 1 | addr | unit_byte |
| LOCK2 | &mapping->i_mmap_rwsem | ||
| HALF_LOCKED2 | &mm->mmap_lock | ||
| TYPE_LOCK | (struct address_space)->i_mmap_rwsem |
mm/khugepaged.c try_collapse_pte_mapped_thp() -> page_table_check_pte_clear_range()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | mm | 4096-ptr_max |
| PARAM_VALUE | 0 | mm->mmap_lock.first_waiter->handoff_set | 0-1 |
| PARAM_VALUE | 0 | mm->mmap_lock.first_waiter->type | 0-1 |
| PARAM_VALUE | 1 | addr | 0 |
| DATA_SOURCE | 0 | mm | $0 |
| DATA_SOURCE | 2 | pmd | r pmdp_collapse_flush |
| NOSPEC | 1 | addr | |
| NOSPEC | 1 | addr | |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| USER_DATA | 1 | addr | 0[c] |
| UNITS | 0 | mm | unit_byte |
| HALF_LOCKED2 | &mm->mmap_lock | ||
| HALF_LOCKED2 | 0 | &mm->mmap_lock |