Defined in 4 files as a function:
- arch/arm64/include/asm/pgtable.h, line 549 (as a function)
- arch/riscv/include/asm/pgtable.h, line 431 (as a function)
- arch/x86/include/asm/pgtable.h, line 1568 (as a function)
- include/asm-generic/pgtable_uffd.h, line 57 (as a function)
Referenced in 14 files:
- arch/arm64/include/asm/pgtable.h, line 600
- arch/riscv/include/asm/pgtable.h, line 926
- fs/proc/task_mmu.c, line 2048
- include/linux/swapops.h, line 76
- include/linux/userfaultfd_k.h, line 326
- mm/hugetlb.c, line 4959
- mm/internal.h, line 493
- mm/memory.c
- mm/migrate.c
- mm/migrate_device.c, line 464
- mm/mprotect.c, line 244
- mm/page_table_check.c, line 203
- mm/rmap.c
- mm/swapfile.c
Smatch caller information:
mm/madvise.c pte_move_swp_offset() -> pte_swp_uffd()
| Type | Parameter | Key | Value |
|---|---|---|---|
| DATA_SOURCE | 0 | pte | $0 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | ptl | ||
| HALF_LOCKED2 | &mm->mmap_lock |
mm/madvise.c pte_swp_clear_flags() -> pte_swp_uffd()
| Type | Parameter | Key | Value |
|---|---|---|---|
| DATA_SOURCE | 0 | pte | $0 [m] |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | &mm->mmap_lock | ||
| HALF_LOCKED2 | ptl |
mm/userfaultfd.c pte_swp_clear_flags() -> pte_swp_uffd()
| Type | Parameter | Key | Value |
|---|---|---|---|
| DATA_SOURCE | 0 | pte | $0 [m] |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | &ctx->map_changing_lock | ||
| HALF_LOCKED2 | rcu_read |
mm/swapfile.c pte_swp_clear_flags() -> pte_swp_uffd()
| Type | Parameter | Key | Value |
|---|---|---|---|
| DATA_SOURCE | 0 | pte | $0 [m] |
| CAPABLE | 0 | 21 | |
| LOCK2 | &mm->mmap_lock | ||
| HALF_LOCKED2 | ptl | ||
| TYPE_LOCK | (struct mm_struct)->mmap_lock |
mm/swapfile.c unuse_pte() -> pte_swp_uffd()
| Type | Parameter | Key | Value |
|---|---|---|---|
| DATA_SOURCE | 0 | pte | r ptep_get |
| CAPABLE | 0 | 21 | |
| LOCK2 | &mm->mmap_lock | ||
| LOCK2 | ptl | ||
| TYPE_LOCK | (struct mm_struct)->mmap_lock |
mm/swapfile.c unuse_pte() -> pte_swp_uffd()
| Type | Parameter | Key | Value |
|---|---|---|---|
| DATA_SOURCE | 0 | pte | r ptep_get |
| CAPABLE | 0 | 21 | |
| LOCK2 | &mm->mmap_lock | ||
| LOCK2 | ptl | ||
| TYPE_LOCK | (struct mm_struct)->mmap_lock |
fs/proc/task_mmu.c pte_swp_clear_flags() -> pte_swp_uffd()
| Type | Parameter | Key | Value |
|---|---|---|---|
| DATA_SOURCE | 0 | pte | $0 [m] |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | &vma->vm_file->f_mapping->i_mmap_rwsem | ||
| HALF_LOCKED2 | ptl |
fs/proc/task_mmu.c pte_swp_uffd_any() -> pte_swp_uffd()
| Type | Parameter | Key | Value |
|---|---|---|---|
| DATA_SOURCE | 0 | pte | $0 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | ptl |
fs/proc/task_mmu.c pte_to_pagemap_entry() -> pte_swp_uffd()
| Type | Parameter | Key | Value |
|---|---|---|---|
| DATA_SOURCE | 0 | pte | $3 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | ptl | ||
| HALF_LOCKED2 | &mm->mmap_lock |
mm/page_table_check.c page_table_check_pte_flags() -> pte_swp_uffd()
| Type | Parameter | Key | Value |
|---|---|---|---|
| DATA_SOURCE | 0 | pte | $0 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | &mm->mmap_lock | ||
| HALF_LOCKED2 | flags | ||
| HALF_LOCKED2 | global &ksm_thread_mutex | ||
| HALF_LOCKED2 | old_ptl | ||
| HALF_LOCKED2 | ptl | ||
| HALF_LOCKED2 | rcu_read |
mm/page_table_check.c pte_swp_clear_flags() -> pte_swp_uffd()
| Type | Parameter | Key | Value |
|---|---|---|---|
| DATA_SOURCE | 0 | pte | $0 [m] |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | &mm->mmap_lock | ||
| HALF_LOCKED2 | flags | ||
| HALF_LOCKED2 | global &ksm_thread_mutex | ||
| HALF_LOCKED2 | old_ptl | ||
| HALF_LOCKED2 | ptl | ||
| HALF_LOCKED2 | rcu_read |
mm/rmap.c pte_swp_clear_flags() -> pte_swp_uffd()
| Type | Parameter | Key | Value |
|---|---|---|---|
| DATA_SOURCE | 0 | pte | $0 [m] |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | &anon_vma->root->rwsem | ||
| HALF_LOCKED2 | &folio->private->lock |
mm/rmap.c swp_pte_prepare() -> pte_swp_uffd()
| Type | Parameter | Key | Value |
|---|---|---|---|
| DATA_SOURCE | 0 | pte | $1 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | &anon_vma->root->rwsem | ||
| HALF_LOCKED2 | &folio->private->lock |
mm/rmap.c try_to_migrate_one() -> pte_swp_uffd()
| Type | Parameter | Key | Value |
|---|---|---|---|
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | &anon_vma->root->rwsem | ||
| HALF_LOCKED2 | &folio->private->lock | ||
| HALF_LOCKED2 | &resv_map->rw_sema | ||
| HALF_LOCKED2 | &vma->vm_private_data->rw_sema |
mm/page_vma_mapped.c pte_swp_clear_flags() -> pte_swp_uffd()
| Type | Parameter | Key | Value |
|---|---|---|---|
| DATA_SOURCE | 0 | pte | $0 [m] |
| 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 change_softleaf_pte() -> pte_swp_uffd()
| Type | Parameter | Key | Value |
|---|---|---|---|
| DATA_SOURCE | 0 | pte | $3 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | ptl | ||
| HALF_LOCKED2 | &mm->mmap_lock |
mm/mprotect.c pte_swp_clear_flags() -> pte_swp_uffd()
| Type | Parameter | Key | Value |
|---|---|---|---|
| DATA_SOURCE | 0 | pte | $0 [m] |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | ptl | ||
| HALF_LOCKED2 | &mm->mmap_lock |
mm/hugetlb.c copy_hugetlb_page_range() -> pte_swp_uffd()
| Type | Parameter | Key | Value |
|---|---|---|---|
| DATA_SOURCE | 0 | pte | r huge_ptep_get |
| 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 pte_swp_clear_flags() -> pte_swp_uffd()
| Type | Parameter | Key | Value |
|---|---|---|---|
| DATA_SOURCE | 0 | pte | $0 [m] |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | &mm->mmap_lock | ||
| HALF_LOCKED2 | &oldmm->mmap_lock | ||
| HALF_LOCKED2 | &state.ctx->map_changing_lock | ||
| HALF_LOCKED2 | &vma->vm_file->f_mapping->i_mmap_rwsem | ||
| HALF_LOCKED2 | ptl | ||
| HALF_LOCKED2 | src_ptl |
mm/hugetlb.c pte_swp_uffd_any() -> pte_swp_uffd()
| Type | Parameter | Key | Value |
|---|---|---|---|
| DATA_SOURCE | 0 | pte | $0 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | &mapping->i_mmap_rwsem |
mm/mremap.c pte_swp_clear_flags() -> pte_swp_uffd()
| Type | Parameter | Key | Value |
|---|---|---|---|
| DATA_SOURCE | 0 | pte | $0 [m] |
| LOCK2 | &mm->mmap_lock | ||
| LOCK2 | old_ptl | ||
| LOCK2 | rcu_read | ||
| HALF_LOCKED2 | &tsk->signal->exec_update_lock | ||
| HALF_LOCKED2 | new_ptl | ||
| TYPE_LOCK | (struct mm_struct)->mmap_lock |
mm/ksm.c pte_swp_clear_flags() -> pte_swp_uffd()
| Type | Parameter | Key | Value |
|---|---|---|---|
| DATA_SOURCE | 0 | pte | $0 [m] |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | ptl | ||
| HALF_LOCKED2 | &mm->mmap_lock |
mm/migrate_device.c migrate_vma_collect_pmd() -> pte_swp_uffd()
| Type | Parameter | Key | Value |
|---|---|---|---|
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | ptl | ||
| HALF_LOCKED2 | &mm->mmap_lock |
mm/migrate_device.c pte_swp_clear_flags() -> pte_swp_uffd()
| Type | Parameter | Key | Value |
|---|---|---|---|
| DATA_SOURCE | 0 | pte | $0 [m] |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | ptl | ||
| HALF_LOCKED2 | &mm->mmap_lock |
mm/memory.c copy_nonpresent_pte() -> pte_swp_uffd()
| Type | Parameter | Key | Value |
|---|---|---|---|
| DATA_SOURCE | 0 | pte | r ptep_get |
| 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 copy_nonpresent_pte() -> pte_swp_uffd()
| Type | Parameter | Key | Value |
|---|---|---|---|
| DATA_SOURCE | 0 | pte | r ptep_get |
| 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() -> pte_swp_uffd()
| Type | Parameter | Key | Value |
|---|---|---|---|
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | vmf->ptl | ||
| HALF_LOCKED2 | &mm->mmap_lock |
mm/memory.c do_swap_page() -> pte_swp_uffd()
| Type | Parameter | Key | Value |
|---|---|---|---|
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | vmf->ptl | ||
| HALF_LOCKED2 | &mm->mmap_lock |
mm/memory.c pte_move_swp_offset() -> pte_swp_uffd()
| Type | Parameter | Key | Value |
|---|---|---|---|
| DATA_SOURCE | 0 | pte | $0 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | &mm->mmap_lock | ||
| HALF_LOCKED2 | ptl | ||
| HALF_LOCKED2 | vmf->ptl |
mm/memory.c pte_swp_clear_flags() -> pte_swp_uffd()
| Type | Parameter | Key | Value |
|---|---|---|---|
| DATA_SOURCE | 0 | pte | $0 [m] |
| 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 pte_swp_uffd_any() -> pte_swp_uffd()
| Type | Parameter | Key | Value |
|---|---|---|---|
| DATA_SOURCE | 0 | pte | $0 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | ptl |
mm/memory.c restore_exclusive_pte() -> pte_swp_uffd()
| Type | Parameter | Key | Value |
|---|---|---|---|
| DATA_SOURCE | 0 | pte | $5 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | &mm->mmap_lock | ||
| HALF_LOCKED2 | &oldmm->mmap_lock | ||
| HALF_LOCKED2 | dst_ptl | ||
| HALF_LOCKED2 | rcu_read | ||
| HALF_LOCKED2 | src_ptl | ||
| HALF_LOCKED2 | vmf->ptl |
mm/memory.c restore_exclusive_pte() -> pte_swp_uffd()
| Type | Parameter | Key | Value |
|---|---|---|---|
| DATA_SOURCE | 0 | pte | $5 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | &mm->mmap_lock | ||
| HALF_LOCKED2 | &oldmm->mmap_lock | ||
| HALF_LOCKED2 | dst_ptl | ||
| HALF_LOCKED2 | rcu_read | ||
| HALF_LOCKED2 | src_ptl | ||
| HALF_LOCKED2 | vmf->ptl |
mm/mincore.c pte_swp_clear_flags() -> pte_swp_uffd()
| Type | Parameter | Key | Value |
|---|---|---|---|
| DATA_SOURCE | 0 | pte | $0 [m] |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | ptl |
mm/memory-failure.c pte_swp_clear_flags() -> pte_swp_uffd()
| Type | Parameter | Key | Value |
|---|---|---|---|
| DATA_SOURCE | 0 | pte | $0 [m] |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | ptl |
mm/damon/ops-common.c pte_swp_clear_flags() -> pte_swp_uffd()
| Type | Parameter | Key | Value |
|---|---|---|---|
| DATA_SOURCE | 0 | pte | $0 [m] |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | ptl |
mm/mempolicy.c pte_swp_clear_flags() -> pte_swp_uffd()
| Type | Parameter | Key | Value |
|---|---|---|---|
| DATA_SOURCE | 0 | pte | $0 [m] |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | ptl |
mm/debug_vm_pgtable.c pte_swp_clear_flags() -> pte_swp_uffd()
| Type | Parameter | Key | Value |
|---|---|---|---|
| DATA_SOURCE | 0 | pte | $0 [m] |
mm/migrate.c pte_swp_clear_flags() -> pte_swp_uffd()
| Type | Parameter | Key | Value |
|---|---|---|---|
| DATA_SOURCE | 0 | pte | $0 [m] |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | ptl |
mm/migrate.c remove_migration_pte() -> pte_swp_uffd()
| Type | Parameter | Key | Value |
|---|---|---|---|
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | &anon_vma->root->rwsem | ||
| HALF_LOCKED2 | &folio->private->lock |
mm/migrate.c remove_migration_pte() -> pte_swp_uffd()
| Type | Parameter | Key | Value |
|---|---|---|---|
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | &anon_vma->root->rwsem | ||
| HALF_LOCKED2 | &folio->private->lock |
mm/migrate.c remove_migration_pte() -> pte_swp_uffd()
| Type | Parameter | Key | Value |
|---|---|---|---|
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | &anon_vma->root->rwsem | ||
| HALF_LOCKED2 | &folio->private->lock |
mm/migrate.c try_to_map_unused_to_zeropage() -> pte_swp_uffd()
| Type | Parameter | Key | Value |
|---|---|---|---|
| DATA_SOURCE | 0 | pte | $2 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | &anon_vma->root->rwsem | ||
| HALF_LOCKED2 | &folio->private->lock |
mm/migrate.c try_to_map_unused_to_zeropage() -> pte_swp_uffd()
| Type | Parameter | Key | Value |
|---|---|---|---|
| DATA_SOURCE | 0 | pte | $2 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | &anon_vma->root->rwsem | ||
| HALF_LOCKED2 | &folio->private->lock |
mm/hmm.c pte_swp_clear_flags() -> pte_swp_uffd()
| Type | Parameter | Key | Value |
|---|---|---|---|
| DATA_SOURCE | 0 | pte | $0 [m] |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | rcu_read | ||
| HALF_LOCKED2 | &mm->mmap_lock |
mm/khugepaged.c pte_swp_clear_flags() -> pte_swp_uffd()
| Type | Parameter | Key | Value |
|---|---|---|---|
| DATA_SOURCE | 0 | pte | $0 [m] |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | ptl | ||
| HALF_LOCKED2 | &mm->mmap_lock |
mm/khugepaged.c pte_swp_uffd_any() -> pte_swp_uffd()
| Type | Parameter | Key | Value |
|---|---|---|---|
| DATA_SOURCE | 0 | pte | $0 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | ptl | ||
| HALF_LOCKED2 | &mm->mmap_lock |
mm/swap_state.c pte_swp_clear_flags() -> pte_swp_uffd()
| Type | Parameter | Key | Value |
|---|---|---|---|
| DATA_SOURCE | 0 | pte | $0 [m] |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | &mm->mmap_lock | ||
| HALF_LOCKED2 | rcu_read |