folio_zonenum identifier - Linux source code next-20260811

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linux

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FIXME
- FIXME
  - next-20260811

Defined in 1 files as a function:

include/linux/mmzone.h, line 1299 (as a function)

Referenced in 8 files:

Smatch caller information:

mm/huge_memory.c folio_zone() -> folio_zonenum()

Type	Parameter	Key	Value
PARAM_VALUE	0	folio	4096-ptr_max
CAPPED_DATA	0	folio	1
DATA_SOURCE	0	folio	$0
LOCK2		&split_debug_mutex

mm/page-writeback.c folio_zone() -> folio_zonenum()

Type	Parameter	Key	Value
PARAM_VALUE	0	folio	4096-ptr_max
BUF_SIZE	0	folio	(-1)-s32max
BUF_SIZE	0	folio	(-1)-s32max
CAPPED_DATA	0	folio	1
DATA_SOURCE	0	folio	$0
STR_LEN	0	folio	(-1),8,11-12,14,17,19-20,23,26-27,29,31-32
STR_LEN	0	folio	(-1),8,11-12,14,17,19-20,23,26-27,29,31-32
NOSPEC	0	folio->mapping->writeback_index
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
USER_DATA	0	folio->index	0-4503599627370495[c]
USER_DATA	0	folio->mapping->writeback_index	0-524287[c]
NO_OVERFLOW_SIMPLE	0	folio->mapping->host->i_bytes
NO_OVERFLOW_SIMPLE	0	folio->mapping->host->i_size
UNITS	0	folio	unit_page
HALF_LOCKED2		&(&mapping->i_pages)->xa_lock
HALF_LOCKED2		flags
HALF_LOCKED2	0	&folio->private->lock

mm/gup_test.c folio_is_zone_movable() -> folio_zonenum()

Type	Parameter	Key	Value
PARAM_VALUE	0	folio	4096-ptr_max
DATA_SOURCE	0	folio	$0

mm/shmem.c shmem_should_replace_folio() -> folio_zonenum()

Type	Parameter	Key	Value
PARAM_VALUE	0	folio	4096-ptr_max
DATA_SOURCE	0	folio	$0
RX_PATH
TASK_NOT_RUNNING

mm/hugetlb.c folio_is_zone_movable() -> folio_zonenum()

Type	Parameter	Key	Value
PARAM_VALUE	0	folio	4096-ptr_max
DATA_SOURCE	0	folio	$0
RX_PATH
TASK_NOT_RUNNING
LOCK2		global &hugetlb_lock
LOCK2		irq

mm/hugetlb.c hugetlb_folio_init_tail_vmemmap() -> folio_zonenum()

Type	Parameter	Key	Value
PARAM_VALUE	0	folio	4096-ptr_max
DATA_SOURCE	0	folio	$0

mm/folio.c lru_gen_add_folio() -> folio_zonenum()

Type	Parameter	Key	Value
PARAM_VALUE	0	folio	4096-ptr_max
DATA_SOURCE	0	folio	$1
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		flags
HALF_LOCKED2		rcu_read

mm/folio.c lru_gen_update_size() -> folio_zonenum()

Type	Parameter	Key	Value
PARAM_VALUE	0	folio	4096-ptr_max
DATA_SOURCE	0	folio	$1
RX_PATH
TASK_NOT_RUNNING

mm/folio.c lruvec_add_folio() -> folio_zonenum()

Type	Parameter	Key	Value
PARAM_VALUE	0	folio	4096-ptr_max
DATA_SOURCE	0	folio	$1
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		flags
HALF_LOCKED2		rcu_read

mm/folio.c lruvec_add_folio_tail() -> folio_zonenum()

Type	Parameter	Key	Value
PARAM_VALUE	0	folio	4096-ptr_max
DATA_SOURCE	0	folio	$1
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		flags
HALF_LOCKED2		rcu_read

mm/folio.c lruvec_del_folio() -> folio_zonenum()

Type	Parameter	Key	Value
PARAM_VALUE	0	folio	4096-ptr_max
CAPPED_DATA	0	folio	1
DATA_SOURCE	0	folio	$1
RX_PATH
TASK_NOT_RUNNING

mm/compaction.c lru_gen_update_size() -> folio_zonenum()

Type	Parameter	Key	Value
PARAM_VALUE	0	folio	4096-ptr_max
DATA_SOURCE	0	folio	$1
RX_PATH
TASK_NOT_RUNNING
UNITS	0	folio	unit_page
HALF_LOCKED2		&lruvec->lru_lock
HALF_LOCKED2		flags
HALF_LOCKED2		rcu_read

mm/compaction.c lruvec_del_folio() -> folio_zonenum()

Type	Parameter	Key	Value
PARAM_VALUE	0	folio	4096-ptr_max
DATA_SOURCE	0	folio	$1
RX_PATH
TASK_NOT_RUNNING
UNITS	0	folio	unit_page
HALF_LOCKED2		flags
HALF_LOCKED2		rcu_read

mm/page_alloc.c folio_zone() -> folio_zonenum()

Type	Parameter	Key	Value
PARAM_VALUE	0	folio	4096-ptr_max
DATA_SOURCE	0	folio	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
UNITS	0	folio	unit_page

mm/vmscan.c drain_evictable() -> folio_zonenum()

Type	Parameter	Key	Value
PARAM_VALUE	0	folio	4096-ptr_max
DATA_SOURCE	0	folio	r lru_to_folio
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2		&lruvec->lru_lock
LOCK2		&of->mutex
LOCK2		&state_mutex
LOCK2		global &cgroup_mutex
LOCK2		irq
LOCK2		rcu_read
HALF_LOCKED2		&of->prealloc_mutex
HALF_LOCKED2		&pool->lock
TYPE_LOCK		(struct kernfs_open_file)->mutex
TYPE_LOCK		(struct lruvec)->lru_lock

mm/vmscan.c inc_min_seq() -> folio_zonenum()

Type	Parameter	Key	Value
PARAM_VALUE	0	folio	4096-ptr_max
DATA_SOURCE	0	folio	r lru_to_folio
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2		&lruvec->lru_lock
LOCK2		irq
LOCK2		rcu_read
HALF_LOCKED2		&pool->lock
HALF_LOCKED2		global &cgroup_mutex
TYPE_LOCK		(struct lruvec)->lru_lock

mm/vmscan.c isolate_lru_folios() -> folio_zonenum()

Type	Parameter	Key	Value
PARAM_VALUE	0	folio	4096-ptr_max
DATA_SOURCE	0	folio	r lru_to_folio
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2		&lruvec->lru_lock
LOCK2		irq
LOCK2		rcu_read
TYPE_LOCK		(struct lruvec)->lru_lock

mm/vmscan.c isolate_lru_folios() -> folio_zonenum()

Type	Parameter	Key	Value
PARAM_VALUE	0	folio	4096-ptr_max
DATA_SOURCE	0	folio	r lru_to_folio
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2		&lruvec->lru_lock
LOCK2		irq
LOCK2		rcu_read
TYPE_LOCK		(struct lruvec)->lru_lock

mm/vmscan.c isolate_lru_folios() -> folio_zonenum()

Type	Parameter	Key	Value
PARAM_VALUE	0	folio	4096-ptr_max
DATA_SOURCE	0	folio	r lru_to_folio
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2		&lruvec->lru_lock
LOCK2		irq
LOCK2		rcu_read
TYPE_LOCK		(struct lruvec)->lru_lock

mm/vmscan.c lru_gen_add_folio() -> folio_zonenum()

Type	Parameter	Key	Value
PARAM_VALUE	0	folio	4096-ptr_max
DATA_SOURCE	0	folio	$1
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&lruvec->lru_lock
HALF_LOCKED2		&of->mutex
HALF_LOCKED2		&state_mutex
HALF_LOCKED2		global &cgroup_mutex
HALF_LOCKED2		irq
HALF_LOCKED2		rcu_read

mm/vmscan.c lru_gen_update_size() -> folio_zonenum()

Type	Parameter	Key	Value
PARAM_VALUE	0	folio	4096-ptr_max
DATA_SOURCE	0	folio	$1
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
USER_DATA	0	folio->mapping->writeback_index	0-524287[c]
UNITS	0	folio	unit_page
HALF_LOCKED2		&lruvec->lru_lock
HALF_LOCKED2		irq
HALF_LOCKED2		rcu_read

mm/vmscan.c lruvec_add_folio() -> folio_zonenum()

Type	Parameter	Key	Value
PARAM_VALUE	0	folio	4096-ptr_max
DATA_SOURCE	0	folio	$1
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&lruvec->lru_lock
HALF_LOCKED2		&of->mutex
HALF_LOCKED2		&state_mutex
HALF_LOCKED2		global &cgroup_mutex
HALF_LOCKED2		irq
HALF_LOCKED2		rcu_read

mm/vmscan.c lruvec_del_folio() -> folio_zonenum()

Type	Parameter	Key	Value
PARAM_VALUE	0	folio	4096-ptr_max
DATA_SOURCE	0	folio	$1
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
UNITS	0	folio	unit_page
HALF_LOCKED2		&lruvec->lru_lock
HALF_LOCKED2		&of->mutex
HALF_LOCKED2		&state_mutex
HALF_LOCKED2		global &cgroup_mutex
HALF_LOCKED2		irq
HALF_LOCKED2		rcu_read

mm/vmscan.c scan_folios() -> folio_zonenum()

Type	Parameter	Key	Value
PARAM_VALUE	0	folio	4096-ptr_max
DATA_SOURCE	0	folio	r lru_to_folio
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2		&lruvec->lru_lock
LOCK2		irq
LOCK2		rcu_read
TYPE_LOCK		(struct lruvec)->lru_lock

mm/vmscan.c sort_folio() -> folio_zonenum()

Type	Parameter	Key	Value
PARAM_VALUE	0	folio	4096-ptr_max
DATA_SOURCE	0	folio	$1
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2		&lruvec->lru_lock
LOCK2		irq
LOCK2		rcu_read
TYPE_LOCK		(struct lruvec)->lru_lock

mm/vmscan.c update_batch_size() -> folio_zonenum()

Type	Parameter	Key	Value
PARAM_VALUE	0	folio	4096-ptr_max
CAPPED_DATA	0	folio	1
DATA_SOURCE	0	folio	$1
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		ptl
HALF_LOCKED2		rcu_read

mm/gup.c folio_is_zone_movable() -> folio_zonenum()

Type	Parameter	Key	Value
PARAM_VALUE	0	folio	4096-ptr_max
CAPPED_DATA	0	folio	1
DATA_SOURCE	0	folio	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		flags

mm/migrate.c alloc_migration_target() -> folio_zonenum()

Type	Parameter	Key	Value
PARAM_VALUE	0	folio	4096-ptr_max
DATA_SOURCE	0	folio	$0
RX_PATH
TASK_NOT_RUNNING

mm/migrate.c folio_zone() -> folio_zonenum()

Type	Parameter	Key	Value
PARAM_VALUE	0	folio	4096-ptr_max
DATA_SOURCE	0	folio	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE	0	folio->index

mm/hugetlb_vmemmap.c folio_zone() -> folio_zonenum()

Type	Parameter	Key	Value
PARAM_VALUE	0	folio	4096-ptr_max
DATA_SOURCE	0	folio	$0
RX_PATH
TASK_NOT_RUNNING

mm/mlock.c folio_zone() -> folio_zonenum()

Type	Parameter	Key	Value
PARAM_VALUE	0	folio	4096-ptr_max
BUF_SIZE	0	folio	(-1)-s32max
BUF_SIZE	0	folio	(-1)-s32max
DATA_SOURCE	0	folio	$0
NOSPEC	0	folio->mapping->writeback_index
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
USER_DATA	0	folio->index	0-4503599627370495[c]
USER_DATA	0	folio->mapping->writeback_index	0-524287[c]
NO_OVERFLOW_SIMPLE	0	folio->mapping->host->i_size
HALF_LOCKED2	0	&folio->private->lock

mm/mlock.c lru_gen_add_folio() -> folio_zonenum()

Type	Parameter	Key	Value
PARAM_VALUE	0	folio	4096-ptr_max
DATA_SOURCE	0	folio	$1
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING

mm/mlock.c lru_gen_update_size() -> folio_zonenum()

Type	Parameter	Key	Value
PARAM_VALUE	0	folio	4096-ptr_max
DATA_SOURCE	0	folio	$1
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING

mm/mlock.c lruvec_add_folio() -> folio_zonenum()

Type	Parameter	Key	Value
PARAM_VALUE	0	folio	4096-ptr_max
DATA_SOURCE	0	folio	$1
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING

mm/mlock.c lruvec_del_folio() -> folio_zonenum()

Type	Parameter	Key	Value
PARAM_VALUE	0	folio	4096-ptr_max
DATA_SOURCE	0	folio	$1
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING