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Documented in 1 files:

Defined in 1 files as a prototype:

Defined in 1 files as a function:

Referenced in 2 files:

Smatch caller information:

mm/page_isolation.c isolate_single_pageblock() -> get_pfnblock_bit()

Type Parameter Key Value
PARAM_VALUE 0 page 18434359174734274560,18446719884453732352
PARAM_VALUE 1 pfn 772544357465600,18445971529352084992,18446744073709551104
PARAM_VALUE 2 pb_bit 4
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 &dev->mutex
HALF_LOCKED2 global &pcp_batch_high_lock

mm/compaction.c __reset_isolation_pfn() -> get_pfnblock_bit()

Type Parameter Key Value
PARAM_VALUE 0 page 4096-ptr_max
PARAM_VALUE 0 page->flags.f 0-18446744073709551614
PARAM_VALUE 1 pfn 0-12384898975264768,9223396226110586880-u64max
PARAM_VALUE 2 pb_bit 3
DATA_SOURCE 0 page r pfn_to_online_page
RX_PATH
TASK_NOT_RUNNING

mm/compaction.c fast_find_migrateblock() -> get_pfnblock_bit()

Type Parameter Key Value
PARAM_VALUE 0 page 4096-ptr_max
PARAM_VALUE 1 pfn 0-12384898975264768,9223396226110586880-18446744073709551614
PARAM_VALUE 2 pb_bit 3
PREEMPT_ADD <- disables preempt
RX_PATH
TASK_NOT_RUNNING
LOCK2 &cc->zone->lock
LOCK2 flags
TYPE_LOCK (struct zone)->lock

mm/compaction.c isolation_suitable() -> get_pfnblock_bit()

Type Parameter Key Value
PARAM_VALUE 2 pb_bit 3
DATA_SOURCE 0 page $1
RX_PATH
TASK_NOT_RUNNING
UNITS 0 page unit_page
UNITS 1 pfn unit_page

mm/compaction.c test_and_set_skip() -> get_pfnblock_bit()

Type Parameter Key Value
PARAM_VALUE 0 page 1-u64max
PARAM_VALUE 1 pfn 0-12384898975268863,9223396226110586880-u64max
PARAM_VALUE 2 pb_bit 3
DATA_SOURCE 0 page $1
RX_PATH
TASK_NOT_RUNNING
UNITS 0 page unit_page
UNITS 1 pfn unit_page
LOCK2 flags
LOCK2 rcu_read

mm/page_alloc.c __move_freepages_block_isolate() -> get_pfnblock_bit()

Type Parameter Key Value
PARAM_VALUE 0 page 4096-ptr_max
PARAM_VALUE 0 page->flags.f 0-18446744073709551614
PARAM_VALUE 1 pfn 0-12384898975264768,9223396226110586880-u64max
PARAM_VALUE 2 pb_bit 4
CAPPED_DATA 0 page 1
DATA_SOURCE 0 page $1
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
UNITS 0 page unit_page
UNITS 1 pfn 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 set_pageblock_migratetype() -> get_pfnblock_bit()

Type Parameter Key Value
PARAM_VALUE 2 pb_bit 4
DATA_SOURCE 0 page $0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 &zone->lock
HALF_LOCKED2 flags