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Defined in 1 files as a function:

Referenced in 6 files:

Smatch caller information:

mm/huge_memory.c __split_folio_to_order() -> clear_compound_head()

Type Parameter Key Value
PARAM_VALUE 0 page 4096-ptr_max
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS 0 page unit_page
LOCK2 irq
HALF_LOCKED2 &mapping->i_mmap_rwsem
HALF_LOCKED2 rcu_read

fs/dax.c dax_folio_reset_order() -> clear_compound_head()

Type Parameter Key Value
PARAM_VALUE 0 page 4096-ptr_max
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2 irq

lib/test_hmm.c dmirror_devmem_folio_split() -> clear_compound_head()

Type Parameter Key Value
PARAM_VALUE 0 page 4096-ptr_max
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2 irq
HALF_LOCKED2 rcu_read

mm/util.c snapshot_page() -> clear_compound_head()

Type Parameter Key Value
PARAM_VALUE 0 page 2191852909504176384,3759170620264775936,7704045231304634624
NOCHECK_CALL

mm/hugetlb.c demote_free_hugetlb_folios() -> clear_compound_head()

Type Parameter Key Value
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2 &dst->resize_lock
LOCK2 &of->mutex
LOCK2 &src->resize_lock
HALF_LOCKED2 &of->prealloc_mutex
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct hstate)->resize_lock
TYPE_LOCK (struct kernfs_open_file)->mutex

mm/page_alloc.c free_tail_page_prepare() -> clear_compound_head()

Type Parameter Key Value
PARAM_VALUE 0 page 4096-ptr_max
DATA_SOURCE 0 page $1
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS 0 page unit_page