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Defined in 1 files as a function:

Referenced in 5 files:

Smatch caller information:

mm/huge_memory.c ClearPageAnonExclusive() -> PageHead()

Type Parameter Key Value
PARAM_VALUE 0 page 4096-ptr_max
DATA_SOURCE 0 page $0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 &mm->mmap_lock
HALF_LOCKED2 &oldmm->mmap_lock
HALF_LOCKED2 dst_ptl
HALF_LOCKED2 src_ptl

mm/huge_memory.c ClearPageCompound() -> PageHead()

Type Parameter Key Value
PARAM_VALUE 0 page 4096-ptr_max
DATA_SOURCE 0 page $0
RX_PATH
TASK_NOT_RUNNING
LOCK2 irq
HALF_LOCKED2 &ci->lock
HALF_LOCKED2 &mapping->i_mmap_rwsem
HALF_LOCKED2 rcu_read

mm/huge_memory.c SetPageAnonExclusive() -> PageHead()

Type Parameter Key Value
PARAM_VALUE 0 page 4096-ptr_max
PARAM_VALUE 0 page->flags.f 0-18446744073709551614
DATA_SOURCE 0 page $0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2 vmf->ptl
HALF_LOCKED2 &mm->mmap_lock
HALF_LOCKED2 &pool->lock

mm/huge_memory.c copy_huge_pmd() -> PageHead()

Type Parameter Key Value
PREEMPT_ADD <- disables preempt
RX_PATH
TASK_NOT_RUNNING
LOCK2 &mm->mmap_lock
LOCK2 &oldmm->mmap_lock
LOCK2 src_ptl
TYPE_LOCK (struct mm_struct)->mmap_lock

mm/huge_memory.c do_huge_pmd_wp_page() -> PageHead()

Type Parameter Key Value
PARAM_VALUE 0 page 4096-ptr_max
PREEMPT_ADD <- disables preempt
RX_PATH
TASK_NOT_RUNNING
LOCK2 vmf->ptl
HALF_LOCKED2 &mm->mmap_lock
HALF_LOCKED2 &pool->lock

mm/rmap.c ClearPageAnonExclusive() -> PageHead()

Type Parameter Key Value
PARAM_VALUE 0 page 4096-ptr_max
DATA_SOURCE 0 page $0
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 &folio->private->lock

mm/rmap.c SetPageAnonExclusive() -> PageHead()

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

mm/hugetlb.c ClearPageAnonExclusive() -> PageHead()

Type Parameter Key Value
PARAM_VALUE 0 page 4096-ptr_max
DATA_SOURCE 0 page $0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2 &mm->mmap_lock
LOCK2 &oldmm->mmap_lock
LOCK2 src_ptl
TYPE_LOCK (struct mm_struct)->mmap_lock

mm/hugetlb.c SetPageAnonExclusive() -> PageHead()

Type Parameter Key Value
PARAM_VALUE 0 page 4096-ptr_max
DATA_SOURCE 0 page $0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 &mm->mmap_lock
HALF_LOCKED2 &pool->lock
HALF_LOCKED2 vmf->ptl

mm/hugetlb.c __ClearPageAnonExclusive() -> PageHead()

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

mm/ksm.c ClearPageAnonExclusive() -> PageHead()

Type Parameter Key Value
PARAM_VALUE 0 page 4096-ptr_max
DATA_SOURCE 0 page $0
LOCK2 &mm->mmap_lock
LOCK2 global &ksm_thread_mutex
TYPE_LOCK (struct mm_struct)->mmap_lock

mm/page_alloc.c ___free_pages() -> PageHead()

Type Parameter Key Value
DATA_SOURCE 0 page $0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING

mm/page_alloc.c __free_contig_range_common() -> PageHead()

Type Parameter Key Value
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
UNITS 0 page unit_page

mm/page_alloc.c free_contig_frozen_range() -> PageHead()

Type Parameter Key Value
PARAM_VALUE 0 page 4096-ptr_max
CAPPED_DATA 0 page 1
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING

mm/page_alloc.c free_contig_range() -> PageHead()

Type Parameter Key Value
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
UNITS 0 page unit_page
HALF_LOCKED2 &pool->lock
HALF_LOCKED2 &vm->hotplug_mutex

mm/migrate_device.c ClearPageAnonExclusive() -> PageHead()

Type Parameter Key Value
PARAM_VALUE 0 page 4096-ptr_max
PARAM_VALUE 0 page->mapping 1-u64max
DATA_SOURCE 0 page $0
RX_PATH
TASK_NOT_RUNNING
LOCK2 ptl
HALF_LOCKED2 &mm->mmap_lock

mm/memory.c ClearPageAnonExclusive() -> PageHead()

Type Parameter Key Value
PARAM_VALUE 0 page 4096-ptr_max
DATA_SOURCE 0 page $0
RX_PATH
TASK_NOT_RUNNING
LOCK2 &mm->mmap_lock
LOCK2 &oldmm->mmap_lock
LOCK2 dst_ptl
LOCK2 rcu_read
LOCK2 src_ptl
TYPE_LOCK (struct mm_struct)->mmap_lock

mm/memory.c SetPageAnonExclusive() -> PageHead()

Type Parameter Key Value
PARAM_VALUE 0 page 4096-ptr_max
DATA_SOURCE 0 page $0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
UNITS 0 page unit_page
LOCK2 vmf->ptl
HALF_LOCKED2 &mm->mmap_lock
HALF_LOCKED2 rcu_read

mm/memremap.c __ClearPageAnonExclusive() -> PageHead()

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

mm/hugetlb_vmemmap.c vmemmap_remap_pte() -> PageHead()

Type Parameter Key Value
DATA_SOURCE 0 page $1
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 &mm->mmap_lock
HALF_LOCKED2 ptl

mm/hugetlb_vmemmap.c vmemmap_restore_pte() -> PageHead()

Type Parameter Key Value
DATA_SOURCE 0 page $1
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 &mm->mmap_lock
HALF_LOCKED2 ptl

arch/x86/virt/svm/sev.c __snp_leak_pages() -> PageHead()

Type Parameter Key Value
PREEMPT_ADD <- disables preempt
RX_PATH
TASK_NOT_RUNNING
UNITS 0 page unit_page
LOCK2 global &snp_leaked_pages_list_lock