count_mthp_stat identifier - Linux source code next-20260811

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linux

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FIXME
- FIXME
  - next-20260811

Defined in 2 files as a function:

Referenced in 8 files:

Smatch caller information:

mm/huge_memory.c __folio_split() -> count_mthp_stat()

Type	Parameter	Key	Value
PARAM_VALUE	0	order	0-255
PARAM_VALUE	1	item	14-15
CAPPED_DATA	0	order	1
DATA_SOURCE	0	order	r folio_order
FUZZY_MAX	1	item	15
BIT_INFO	1	item	0xe,0xf
HARD_MAX	1	item	15
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS	0	order	unit_bit

mm/huge_memory.c deferred_split_folio() -> count_mthp_stat()

Type	Parameter	Key	Value
PARAM_VALUE	0	order	0-255
PARAM_VALUE	1	item	16
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		rcu_read

mm/huge_memory.c map_anon_folio_pmd_pf() -> count_mthp_stat()

Type	Parameter	Key	Value
PARAM_VALUE	0	order	9
PARAM_VALUE	1	item	0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&mm->mmap_lock
HALF_LOCKED2		&pool->lock

mm/huge_memory.c vma_alloc_anon_folio_pmd() -> count_mthp_stat()

Type	Parameter	Key	Value
PARAM_VALUE	0	order	9
PARAM_VALUE	1	item	1
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&mm->mmap_lock
HALF_LOCKED2		&pool->lock

mm/huge_memory.c vma_alloc_anon_folio_pmd() -> count_mthp_stat()

Type	Parameter	Key	Value
PARAM_VALUE	0	order	9
PARAM_VALUE	1	item	1
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&mm->mmap_lock
HALF_LOCKED2		&pool->lock

mm/huge_memory.c vma_alloc_anon_folio_pmd() -> count_mthp_stat()

Type	Parameter	Key	Value
PARAM_VALUE	0	order	9
PARAM_VALUE	1	item	2
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&mm->mmap_lock
HALF_LOCKED2		&pool->lock

mm/huge_memory.c vma_alloc_anon_folio_pmd() -> count_mthp_stat()

Type	Parameter	Key	Value
PARAM_VALUE	0	order	9
PARAM_VALUE	1	item	1
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&mm->mmap_lock
HALF_LOCKED2		&pool->lock

mm/page_io.c __swap_writepage() -> count_mthp_stat()

Type	Parameter	Key	Value
PARAM_VALUE	0	order	0-255
PARAM_VALUE	1	item	9
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

mm/page_io.c swap_read_end() -> count_mthp_stat()

Type	Parameter	Key	Value
PARAM_VALUE	0	order	0-255
PARAM_VALUE	1	item	6
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

mm/page_io.c swap_writeout() -> count_mthp_stat()

Type	Parameter	Key	Value
PARAM_VALUE	0	order	0-255
PARAM_VALUE	1	item	5
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

mm/shmem.c shmem_alloc_and_add_folio() -> count_mthp_stat()

Type	Parameter	Key	Value
PARAM_VALUE	1	item	12
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&inode->i_rwsem

mm/shmem.c shmem_alloc_and_add_folio() -> count_mthp_stat()

Type	Parameter	Key	Value
PARAM_VALUE	0	order	0-255
PARAM_VALUE	1	item	12
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&inode->i_rwsem

mm/shmem.c shmem_alloc_and_add_folio() -> count_mthp_stat()

Type	Parameter	Key	Value
PARAM_VALUE	0	order	0-255
PARAM_VALUE	1	item	13
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&inode->i_rwsem

mm/shmem.c shmem_get_folio_gfp() -> count_mthp_stat()

Type	Parameter	Key	Value
PARAM_VALUE	0	order	0-255
PARAM_VALUE	1	item	11
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

mm/shmem.c shmem_writeout() -> count_mthp_stat()

Type	Parameter	Key	Value
PARAM_VALUE	0	order	0-255
PARAM_VALUE	1	item	10
DATA_SOURCE	0	order	r folio_order
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

mm/migrate_device.c migrate_vma_insert_huge_pmd_page() -> count_mthp_stat()

Type	Parameter	Key	Value
PARAM_VALUE	0	order	9
PARAM_VALUE	1	item	2
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&drm->dmem->mutex

mm/migrate_device.c migrate_vma_insert_huge_pmd_page() -> count_mthp_stat()

Type	Parameter	Key	Value
PARAM_VALUE	0	order	9
PARAM_VALUE	1	item	0
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&drm->dmem->mutex

mm/vmscan.c shrink_folio_list() -> count_mthp_stat()

Type	Parameter	Key	Value
PARAM_VALUE	0	order	0-255
PARAM_VALUE	1	item	10
DATA_SOURCE	0	order	r folio_order
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

mm/memory.c alloc_anon_folio() -> count_mthp_stat()

Type	Parameter	Key	Value
PARAM_VALUE	0	order	0-10
PARAM_VALUE	1	item	2
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&mm->mmap_lock

mm/memory.c alloc_anon_folio() -> count_mthp_stat()

Type	Parameter	Key	Value
PARAM_VALUE	1	item	1
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&mm->mmap_lock

mm/memory.c map_anon_folio_pte_pf() -> count_mthp_stat()

Type	Parameter	Key	Value
PARAM_VALUE	0	order	0-255
PARAM_VALUE	1	item	0
DATA_SOURCE	0	order	r folio_order
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		vmf->ptl
HALF_LOCKED2		&mm->mmap_lock

mm/khugepaged.c __collapse_huge_page_swapin() -> count_mthp_stat()

Type	Parameter	Key	Value
PARAM_VALUE	0	order	0-8
PARAM_VALUE	1	item	19
CAPPED_DATA	0	order	1
DATA_SOURCE	0	order	$5
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		&mm->mmap_lock
HALF_LOCKED2		&mm->mmap_lock
HALF_LOCKED2		rcu_read
TYPE_LOCK		(struct mm_struct)->mmap_lock

mm/khugepaged.c count_collapse_event() -> count_mthp_stat()

Type	Parameter	Key	Value
PARAM_VALUE	0	order	0-9
PARAM_VALUE	1	item	3-4,19-21
CAPPED_DATA	0	order	1
DATA_SOURCE	0	order	$0
DATA_SOURCE	1	item	$2
HARD_MAX	1	item	21
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&mm->mmap_lock
HALF_LOCKED2		ptl

mm/swap_state.c __swap_cache_alloc() -> count_mthp_stat()

Type	Parameter	Key	Value
PARAM_VALUE	0	order	0-10
PARAM_VALUE	1	item	8
DATA_SOURCE	0	order	$3
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS	0	order	unit_byte

mm/swap_state.c swap_cache_alloc_folio() -> count_mthp_stat()

Type	Parameter	Key	Value
PARAM_VALUE	0	order	s32min-(-1),1-s32max
PARAM_VALUE	1	item	7
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS	0	order	unit_byte