softleaf_is_migration identifier - Linux source code next-20260811

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linux

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FIXME
- FIXME
  - next-20260811

Documented in 1 files:

include/linux/leafops.h, line 250

Defined in 1 files as a function:

include/linux/leafops.h, line 256 (as a function)

Referenced in 11 files:

Smatch caller information:

mm/madvise.c pmd_is_migration_entry() -> softleaf_is_migration()

Type	Parameter	Key	Value
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&mm->mmap_lock

mm/huge_memory.c pmd_is_migration_entry() -> softleaf_is_migration()

Type	Parameter	Key	Value
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&ctx->map_changing_lock
HALF_LOCKED2		rcu_read

mm/huge_memory.c softleaf_has_pfn() -> softleaf_is_migration()

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

mm/huge_memory.c softleaf_is_migration_dirty() -> softleaf_is_migration()

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

mm/huge_memory.c softleaf_is_migration_young() -> softleaf_is_migration()

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

mm/huge_memory.c softleaf_is_valid_pmd_entry() -> softleaf_is_migration()

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

mm/huge_memory.c softleaf_to_folio() -> softleaf_is_migration()

Type	Parameter	Key	Value
DATA_SOURCE	0	entry	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&mm->mmap_lock
HALF_LOCKED2		&oldmm->mmap_lock
HALF_LOCKED2		ptl
HALF_LOCKED2		src_ptl

mm/huge_memory.c softleaf_to_page() -> softleaf_is_migration()

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

mm/userfaultfd.c move_pages_ptes() -> softleaf_is_migration()

Type	Parameter	Key	Value
DATA_SOURCE	0	entry	r softleaf_from_pte
LOCK2		&ctx->map_changing_lock
LOCK2		rcu_read
TYPE_LOCK		(struct userfaultfd_ctx)->map_changing_lock

fs/proc/task_mmu.c make_uffd_wp_huge_pte() -> softleaf_is_migration()

Type	Parameter	Key	Value
DATA_SOURCE	0	entry	r softleaf_from_pte
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2		&vma->vm_file->f_mapping->i_mmap_rwsem
TYPE_LOCK		(struct address_space)->i_mmap_rwsem

fs/proc/task_mmu.c pmd_is_migration_entry() -> softleaf_is_migration()

Type	Parameter	Key	Value
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&mm->mmap_lock

fs/proc/task_mmu.c softleaf_has_pfn() -> softleaf_is_migration()

Type	Parameter	Key	Value
DATA_SOURCE	0	entry	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		ptl

fs/proc/task_mmu.c softleaf_to_folio() -> softleaf_is_migration()

Type	Parameter	Key	Value
DATA_SOURCE	0	entry	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		ptl

fs/proc/task_mmu.c softleaf_to_page() -> softleaf_is_migration()

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

mm/rmap.c softleaf_has_pfn() -> softleaf_is_migration()

Type	Parameter	Key	Value
DATA_SOURCE	0	entry	$0
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&anon_vma->root->rwsem
HALF_LOCKED2		&folio->private->lock

mm/page_vma_mapped.c check_pte() -> softleaf_is_migration()

Type	Parameter	Key	Value
DATA_SOURCE	0	entry	r softleaf_from_pte
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&mm->mmap_lock
HALF_LOCKED2		global &ksm_thread_mutex
HALF_LOCKED2		global &mf_mutex
HALF_LOCKED2		rcu_read

mm/page_vma_mapped.c pmd_is_migration_entry() -> softleaf_is_migration()

Type	Parameter	Key	Value
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&mm->mmap_lock
HALF_LOCKED2		global &ksm_thread_mutex
HALF_LOCKED2		global &mf_mutex
HALF_LOCKED2		rcu_read

mm/page_vma_mapped.c softleaf_has_pfn() -> softleaf_is_migration()

Type	Parameter	Key	Value
DATA_SOURCE	0	entry	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&mm->mmap_lock
HALF_LOCKED2		global &ksm_thread_mutex
HALF_LOCKED2		global &mf_mutex
HALF_LOCKED2		rcu_read

mm/mprotect.c softleaf_has_pfn() -> softleaf_is_migration()

Type	Parameter	Key	Value
DATA_SOURCE	0	entry	$0
RX_PATH
TASK_NOT_RUNNING
LOCK2		ptl
HALF_LOCKED2		&mm->mmap_lock

mm/mprotect.c softleaf_to_folio() -> softleaf_is_migration()

Type	Parameter	Key	Value
DATA_SOURCE	0	entry	$0
RX_PATH
TASK_NOT_RUNNING
LOCK2		ptl
HALF_LOCKED2		&mm->mmap_lock

mm/hugetlb.c copy_hugetlb_page_range() -> softleaf_is_migration()

Type	Parameter	Key	Value
DATA_SOURCE	0	entry	r softleaf_from_pte
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/hugetlb.c hugetlb_change_protection() -> softleaf_is_migration()

Type	Parameter	Key	Value
DATA_SOURCE	0	entry	r softleaf_from_pte
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
LOCK2		&vma->vm_file->f_mapping->i_mmap_rwsem
HALF_LOCKED2		&dst_mm->mmap_lock
HALF_LOCKED2		&mm->mmap_lock
HALF_LOCKED2		_T->lock
TYPE_LOCK		(struct address_space)->i_mmap_rwsem

mm/hugetlb.c hugetlb_fault() -> softleaf_is_migration()

Type	Parameter	Key	Value
DATA_SOURCE	0	entry	r softleaf_from_pte
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&mm->mmap_lock

mm/hugetlb.c softleaf_has_pfn() -> softleaf_is_migration()

Type	Parameter	Key	Value
DATA_SOURCE	0	entry	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2		&vma->vm_file->f_mapping->i_mmap_rwsem
HALF_LOCKED2		&dst_mm->mmap_lock
HALF_LOCKED2		&mm->mmap_lock
HALF_LOCKED2		_T->lock
HALF_LOCKED2		ptl
TYPE_LOCK		(struct address_space)->i_mmap_rwsem

mm/hugetlb.c softleaf_to_folio() -> softleaf_is_migration()

Type	Parameter	Key	Value
DATA_SOURCE	0	entry	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2		&vma->vm_file->f_mapping->i_mmap_rwsem
HALF_LOCKED2		&dst_mm->mmap_lock
HALF_LOCKED2		&mm->mmap_lock
HALF_LOCKED2		_T->lock
TYPE_LOCK		(struct address_space)->i_mmap_rwsem

mm/ksm.c break_ksm_pmd_entry() -> softleaf_is_migration()

Type	Parameter	Key	Value
DATA_SOURCE	0	entry	r softleaf_from_pte
RX_PATH
TASK_NOT_RUNNING
LOCK2		ptl
HALF_LOCKED2		&mm->mmap_lock

mm/ksm.c softleaf_has_pfn() -> softleaf_is_migration()

Type	Parameter	Key	Value
DATA_SOURCE	0	entry	$0
RX_PATH
TASK_NOT_RUNNING
LOCK2		ptl
HALF_LOCKED2		&mm->mmap_lock

mm/ksm.c softleaf_to_folio() -> softleaf_is_migration()

Type	Parameter	Key	Value
DATA_SOURCE	0	entry	$0
RX_PATH
TASK_NOT_RUNNING
LOCK2		ptl
HALF_LOCKED2		&mm->mmap_lock

mm/filemap.c softleaf_has_pfn() -> softleaf_is_migration()

Type	Parameter	Key	Value
DATA_SOURCE	0	entry	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2		ptl

mm/filemap.c softleaf_to_folio() -> softleaf_is_migration()

Type	Parameter	Key	Value
DATA_SOURCE	0	entry	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		ptl

mm/migrate_device.c softleaf_has_pfn() -> softleaf_is_migration()

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

mm/migrate_device.c softleaf_to_folio() -> softleaf_is_migration()

Type	Parameter	Key	Value
DATA_SOURCE	0	entry	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&mm->mmap_lock

mm/migrate_device.c softleaf_to_page() -> softleaf_is_migration()

Type	Parameter	Key	Value
DATA_SOURCE	0	entry	$0
RX_PATH
TASK_NOT_RUNNING
LOCK2		ptl
HALF_LOCKED2		&mm->mmap_lock

mm/memory.c copy_nonpresent_pte() -> softleaf_is_migration()

Type	Parameter	Key	Value
DATA_SOURCE	0	entry	r softleaf_from_pte
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 do_swap_page() -> softleaf_is_migration()

Type	Parameter	Key	Value
DATA_SOURCE	0	entry	r softleaf_from_pte
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&mm->mmap_lock

mm/memory.c pmd_is_migration_entry() -> softleaf_is_migration()

Type	Parameter	Key	Value
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&mm->mmap_lock
HALF_LOCKED2		&pool->lock

mm/memory.c softleaf_has_pfn() -> softleaf_is_migration()

Type	Parameter	Key	Value
DATA_SOURCE	0	entry	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&mm->mmap_lock
HALF_LOCKED2		&oldmm->mmap_lock
HALF_LOCKED2		dst_ptl
HALF_LOCKED2		ptl
HALF_LOCKED2		rcu_read
HALF_LOCKED2		src_ptl

mm/memory.c softleaf_to_folio() -> softleaf_is_migration()

Type	Parameter	Key	Value
DATA_SOURCE	0	entry	$0
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&mm->mmap_lock
HALF_LOCKED2		&oldmm->mmap_lock
HALF_LOCKED2		dst_ptl
HALF_LOCKED2		ptl
HALF_LOCKED2		rcu_read
HALF_LOCKED2		src_ptl

mm/memory.c softleaf_to_page() -> softleaf_is_migration()

Type	Parameter	Key	Value
DATA_SOURCE	0	entry	$0
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&mm->mmap_lock
HALF_LOCKED2		&oldmm->mmap_lock
HALF_LOCKED2		dst_ptl
HALF_LOCKED2		ptl
HALF_LOCKED2		rcu_read
HALF_LOCKED2		src_ptl

mm/memory.c zap_nonpresent_ptes() -> softleaf_is_migration()

Type	Parameter	Key	Value
DATA_SOURCE	0	entry	r softleaf_from_pte
RX_PATH
TASK_NOT_RUNNING
LOCK2		ptl
HALF_LOCKED2		&mm->mmap_lock

mm/memory-failure.c softleaf_has_pfn() -> softleaf_is_migration()

Type	Parameter	Key	Value
DATA_SOURCE	0	entry	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2		ptl

mm/damon/ops-common.c softleaf_has_pfn() -> softleaf_is_migration()

Type	Parameter	Key	Value
DATA_SOURCE	0	entry	$0
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		ptl

mm/mempolicy.c pmd_is_migration_entry() -> softleaf_is_migration()

Type	Parameter	Key	Value
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&mm->mmap_lock

mm/mempolicy.c queue_folios_hugetlb() -> softleaf_is_migration()

Type	Parameter	Key	Value
DATA_SOURCE	0	entry	r softleaf_from_pte
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&m->lock
HALF_LOCKED2		&mapping->i_mmap_rwsem

mm/mempolicy.c queue_folios_pte_range() -> softleaf_is_migration()

Type	Parameter	Key	Value
DATA_SOURCE	0	entry	r softleaf_from_pte
RX_PATH
TASK_NOT_RUNNING
LOCK2		ptl
HALF_LOCKED2		&mm->mmap_lock

mm/debug_vm_pgtable.c softleaf_is_valid_pmd_entry() -> softleaf_is_migration()

Type	Parameter	Key	Value
DATA_SOURCE	0	entry	$0

mm/debug_vm_pgtable.c swap_migration_tests() -> softleaf_is_migration()

Type	Parameter	Key	Value
DATA_SOURCE	0	entry	r make_writable_migration_entry

mm/debug_vm_pgtable.c swap_migration_tests() -> softleaf_is_migration()

Type	Parameter	Key	Value
DATA_SOURCE	0	entry	r make_readable_migration_entry

mm/debug_vm_pgtable.c swap_migration_tests() -> softleaf_is_migration()

Type	Parameter	Key	Value
DATA_SOURCE	0	entry	r make_readable_migration_entry

mm/migrate.c migration_entry_wait() -> softleaf_is_migration()

Type	Parameter	Key	Value
DATA_SOURCE	0	entry	r softleaf_from_pte
RX_PATH
TASK_NOT_RUNNING
LOCK2		ptl
HALF_LOCKED2		&ctx->map_changing_lock

mm/migrate.c migration_entry_wait_huge() -> softleaf_is_migration()

Type	Parameter	Key	Value
DATA_SOURCE	0	entry	r softleaf_from_pte
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
LOCK2		ptl
HALF_LOCKED2		&mm->mmap_lock
HALF_LOCKED2		&pool->lock

mm/migrate.c pmd_is_migration_entry() -> softleaf_is_migration()

Type	Parameter	Key	Value
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&ctx->map_changing_lock
HALF_LOCKED2		ptl

mm/migrate.c softleaf_has_pfn() -> softleaf_is_migration()

Type	Parameter	Key	Value
DATA_SOURCE	0	entry	$0
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&anon_vma->root->rwsem
HALF_LOCKED2		&folio->private->lock

mm/migrate.c softleaf_is_migration_dirty() -> softleaf_is_migration()

Type	Parameter	Key	Value
DATA_SOURCE	0	entry	$0
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&anon_vma->root->rwsem
HALF_LOCKED2		&folio->private->lock

mm/migrate.c softleaf_is_migration_young() -> softleaf_is_migration()

Type	Parameter	Key	Value
DATA_SOURCE	0	entry	$0
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&anon_vma->root->rwsem
HALF_LOCKED2		&folio->private->lock

mm/hmm.c hmm_vma_handle_pte() -> softleaf_is_migration()

Type	Parameter	Key	Value
DATA_SOURCE	0	entry	r softleaf_from_pte
RX_PATH
TASK_NOT_RUNNING
LOCK2		rcu_read
HALF_LOCKED2		&mm->mmap_lock

mm/hmm.c pmd_is_migration_entry() -> softleaf_is_migration()

Type	Parameter	Key	Value
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&mm->mmap_lock

mm/hmm.c softleaf_has_pfn() -> softleaf_is_migration()

Type	Parameter	Key	Value
DATA_SOURCE	0	entry	$0
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&mm->mmap_lock
HALF_LOCKED2		rcu_read

mm/hmm.c softleaf_to_folio() -> softleaf_is_migration()

Type	Parameter	Key	Value
DATA_SOURCE	0	entry	$0
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&mm->mmap_lock

mm/hmm.c softleaf_to_page() -> softleaf_is_migration()

Type	Parameter	Key	Value
DATA_SOURCE	0	entry	$0
RX_PATH
TASK_NOT_RUNNING
LOCK2		rcu_read
HALF_LOCKED2		&mm->mmap_lock

mm/khugepaged.c pmd_is_migration_entry() -> softleaf_is_migration()

Type	Parameter	Key	Value
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&mapping->i_mmap_rwsem
HALF_LOCKED2		&mm->mmap_lock