DepSurf

Function: `userfaultfd_wp`

Status

Regular

In 4.4: Absent ⚠️
In 4.8: Absent ⚠️
In 4.10: Absent ⚠️
In 4.13: Absent ⚠️
In 4.15: Absent ⚠️
In 4.18: Absent ⚠️
In 5.0: Absent ⚠️
In 5.3: Absent ⚠️
In 5.4: Absent ⚠️

In 5.8: Duplicate, Full Inline ⚠️

Collision: Static Duplication

Inline: Full

Transformation: False

Instances:

In mm/memory.c (ffffffff81294d8a)
Location: include/linux/userfaultfd_k.h:60
Inline: True
Inline callers:
  - mm/memory.c:__handle_mm_fault
  - mm/memory.c:do_wp_page

In mm/userfaultfd.c (ffffffff8130908a)
Location: include/linux/userfaultfd_k.h:60
Inline: True
Inline callers:
  - mm/userfaultfd.c:mwriteprotect_range

In 5.11: Duplicate, Full Inline ⚠️

Collision: Static Duplication

Inline: Full

Transformation: False

Instances:

In mm/memory.c (ffffffff8129f603)
Location: include/linux/userfaultfd_k.h:60
Inline: True
Inline callers:
  - mm/memory.c:__handle_mm_fault
  - mm/memory.c:do_wp_page

In mm/userfaultfd.c (ffffffff81314ed2)
Location: include/linux/userfaultfd_k.h:60
Inline: True
Inline callers:
  - mm/userfaultfd.c:mwriteprotect_range

In 5.13: Duplicate, Full Inline ⚠️

Collision: Static Duplication

Inline: Full

Transformation: False

Instances:

In mm/memory.c (ffffffff812a4607)
Location: include/linux/userfaultfd_k.h:97
Inline: True
Inline callers:
  - mm/memory.c:__handle_mm_fault
  - mm/memory.c:do_wp_page
  - mm/memory.c:copy_pte_range
  - mm/memory.c:copy_pte_range

In mm/huge_memory.c (ffffffff812fea8b)
Location: include/linux/userfaultfd_k.h:97
Inline: True
Inline callers:
  - mm/huge_memory.c:copy_huge_pmd
  - mm/huge_memory.c:copy_huge_pmd

In mm/userfaultfd.c (ffffffff8131b60f)
Location: include/linux/userfaultfd_k.h:97
Inline: True
Inline callers:
  - mm/userfaultfd.c:mwriteprotect_range

In 5.15: Duplicate, Full Inline ⚠️

Collision: Static Duplication

Inline: Full

Transformation: False

Instances:

In mm/memory.c (ffffffff812e58d9)
Location: include/linux/userfaultfd_k.h:102
Inline: True
Inline callers:
  - mm/memory.c:__handle_mm_fault
  - mm/memory.c:do_wp_page
  - mm/memory.c:copy_pte_range
  - mm/memory.c:copy_pte_range
  - mm/memory.c:copy_nonpresent_pte

In mm/huge_memory.c (ffffffff8134868a)
Location: include/linux/userfaultfd_k.h:102
Inline: True
Inline callers:
  - mm/huge_memory.c:copy_huge_pmd
  - mm/huge_memory.c:copy_huge_pmd

In mm/userfaultfd.c (ffffffff813688de)
Location: include/linux/userfaultfd_k.h:102
Inline: True
Inline callers:
  - mm/userfaultfd.c:mwriteprotect_range

In 5.19: Duplicate, Full Inline ⚠️

Collision: Static Duplication

Inline: Full

Transformation: False

Instances:

In mm/gup.c (ffffffff81338876)
Location: include/linux/userfaultfd_k.h:119
Inline: True
Inline callers:
  - mm/gup.c:follow_page_pte

In mm/memory.c (ffffffff81347bf4)
Location: include/linux/userfaultfd_k.h:119
Inline: True
Inline callers:
  - mm/memory.c:__handle_mm_fault
  - mm/memory.c:handle_pte_marker
  - mm/memory.c:do_wp_page
  - mm/memory.c:zap_pte_range
  - mm/memory.c:zap_pte_range
  - mm/memory.c:copy_page_range
  - mm/memory.c:copy_present_pte
  - mm/memory.c:copy_present_pte
  - mm/memory.c:copy_nonpresent_pte
  - mm/memory.c:copy_nonpresent_pte

In mm/rmap.c (ffffffff8135d83a)
Location: include/linux/userfaultfd_k.h:119
Inline: True
Inline callers:
  - mm/rmap.c:try_to_unmap_one

In mm/hugetlb.c (ffffffff81392bdd)
Location: include/linux/userfaultfd_k.h:119
Inline: True
Inline callers:
  - mm/hugetlb.c:hugetlb_fault
  - mm/hugetlb.c:copy_hugetlb_page_range
  - mm/hugetlb.c:copy_hugetlb_page_range
  - mm/hugetlb.c:copy_hugetlb_page_range
  - mm/hugetlb.c:copy_hugetlb_page_range

In mm/huge_memory.c (ffffffff813bccbf)
Location: include/linux/userfaultfd_k.h:119
Inline: True
Inline callers:
  - mm/huge_memory.c:follow_trans_huge_pmd
  - mm/huge_memory.c:copy_huge_pmd
  - mm/huge_memory.c:copy_huge_pmd

In mm/khugepaged.c (ffffffff813c3cce)
Location: include/linux/userfaultfd_k.h:119
Inline: True
Inline callers:
  - mm/khugepaged.c:retract_page_tables
  - mm/khugepaged.c:collapse_pte_mapped_thp

In mm/userfaultfd.c (ffffffff813e61fd)
Location: include/linux/userfaultfd_k.h:119
Inline: True
Inline callers:
  - mm/userfaultfd.c:mwriteprotect_range

In fs/userfaultfd.c (ffffffff8145ebb4)
Location: include/linux/userfaultfd_k.h:119
Inline: True

In 6.2: Duplicate, Full Inline ⚠️

Collision: Static Duplication

Inline: Full

Transformation: False

Instances:

In mm/gup.c (ffffffff813b003f)
Location: include/linux/userfaultfd_k.h:119
Inline: True
Inline callers:
  - mm/gup.c:follow_page_pte

In mm/memory.c (ffffffff813bffd5)
Location: include/linux/userfaultfd_k.h:119
Inline: True
Inline callers:
  - mm/memory.c:__handle_mm_fault
  - mm/memory.c:handle_pte_marker
  - mm/memory.c:do_wp_page
  - mm/memory.c:zap_pte_range
  - mm/memory.c:zap_pte_range
  - mm/memory.c:copy_page_range
  - mm/memory.c:copy_present_pte
  - mm/memory.c:copy_present_pte
  - mm/memory.c:copy_nonpresent_pte
  - mm/memory.c:copy_nonpresent_pte

In mm/mmap.c (ffffffff813c8b54)
Location: include/linux/userfaultfd_k.h:119
Inline: True
Inline callers:
  - mm/mmap.c:vma_wants_writenotify

In mm/mprotect.c (ffffffff813cdd7a)
Location: include/linux/userfaultfd_k.h:119
Inline: True
Inline callers:
  - mm/mprotect.c:can_change_pte_writable

In mm/rmap.c (ffffffff813d869a)
Location: include/linux/userfaultfd_k.h:119
Inline: True
Inline callers:
  - mm/rmap.c:try_to_unmap_one

In mm/hugetlb.c (ffffffff81411580)
Location: include/linux/userfaultfd_k.h:119
Inline: True
Inline callers:
  - mm/hugetlb.c:hugetlb_fault
  - mm/hugetlb.c:copy_hugetlb_page_range
  - mm/hugetlb.c:copy_hugetlb_page_range
  - mm/hugetlb.c:copy_hugetlb_page_range
  - mm/hugetlb.c:copy_hugetlb_page_range

In mm/huge_memory.c (ffffffff8143f2e5)
Location: include/linux/userfaultfd_k.h:119
Inline: True
Inline callers:
  - mm/huge_memory.c:follow_trans_huge_pmd
  - mm/huge_memory.c:can_change_pmd_writable
  - mm/huge_memory.c:copy_huge_pmd
  - mm/huge_memory.c:copy_huge_pmd

In mm/khugepaged.c (ffffffff81447d04)
Location: include/linux/userfaultfd_k.h:119
Inline: True
Inline callers:
  - mm/khugepaged.c:retract_page_tables
  - mm/khugepaged.c:collapse_pte_mapped_thp

In mm/userfaultfd.c (ffffffff8146dcbd)
Location: include/linux/userfaultfd_k.h:119
Inline: True
Inline callers:
  - mm/userfaultfd.c:mwriteprotect_range

In fs/userfaultfd.c (ffffffff814ee765)
Location: include/linux/userfaultfd_k.h:119
Inline: True

In 6.5: Duplicate, Full Inline ⚠️

Collision: Static Duplication

Inline: Full

Transformation: False

Instances:

In mm/gup.c (ffffffff813e466b)
Location: include/linux/userfaultfd_k.h:132
Inline: True
Inline callers:
  - mm/gup.c:follow_page_pte

In mm/memory.c (ffffffff813f4c8b)
Location: include/linux/userfaultfd_k.h:132
Inline: True
Inline callers:
  - mm/memory.c:__handle_mm_fault
  - mm/memory.c:handle_pte_marker
  - mm/memory.c:do_wp_page
  - mm/memory.c:zap_pte_range
  - mm/memory.c:zap_pte_range
  - mm/memory.c:copy_page_range
  - mm/memory.c:copy_present_pte
  - mm/memory.c:copy_present_pte
  - mm/memory.c:copy_nonpresent_pte
  - mm/memory.c:copy_nonpresent_pte

In mm/mmap.c (ffffffff813fcdea)
Location: include/linux/userfaultfd_k.h:132
Inline: True
Inline callers:
  - mm/mmap.c:vma_wants_writenotify

In mm/mprotect.c (ffffffff81403a29)
Location: include/linux/userfaultfd_k.h:132
Inline: True
Inline callers:
  - mm/mprotect.c:change_protection_range
  - mm/mprotect.c:change_p4d_range
  - mm/mprotect.c:change_p4d_range
  - mm/mprotect.c:change_pte_range
  - mm/mprotect.c:can_change_pte_writable

In mm/rmap.c (ffffffff8140ce87)
Location: include/linux/userfaultfd_k.h:132
Inline: True
Inline callers:
  - mm/rmap.c:try_to_unmap_one

In mm/hugetlb.c (ffffffff81444a4b)
Location: include/linux/userfaultfd_k.h:132
Inline: True
Inline callers:
  - mm/hugetlb.c:hugetlb_fault
  - mm/hugetlb.c:copy_hugetlb_page_range
  - mm/hugetlb.c:copy_hugetlb_page_range
  - mm/hugetlb.c:copy_hugetlb_page_range
  - mm/hugetlb.c:copy_hugetlb_page_range
  - mm/hugetlb.c:copy_hugetlb_page_range
  - mm/hugetlb.c:copy_hugetlb_page_range

In mm/huge_memory.c (ffffffff81474a8d)
Location: include/linux/userfaultfd_k.h:132
Inline: True
Inline callers:
  - mm/huge_memory.c:follow_trans_huge_pmd
  - mm/huge_memory.c:can_change_pmd_writable
  - mm/huge_memory.c:copy_huge_pmd
  - mm/huge_memory.c:copy_huge_pmd

In mm/khugepaged.c (ffffffff8147d6b0)
Location: include/linux/userfaultfd_k.h:132
Inline: True
Inline callers:
  - mm/khugepaged.c:retract_page_tables
  - mm/khugepaged.c:collapse_pte_mapped_thp

In mm/userfaultfd.c (ffffffff814a26e9)
Location: include/linux/userfaultfd_k.h:132
Inline: True
Inline callers:
  - mm/userfaultfd.c:mwriteprotect_range

In fs/userfaultfd.c (ffffffff815256e8)
Location: include/linux/userfaultfd_k.h:132
Inline: True

In 6.8: Duplicate, Full Inline ⚠️

Collision: Static Duplication

Inline: Full

Transformation: False

Instances:

In mm/gup.c (ffffffff8140f013)
Location: include/linux/userfaultfd_k.h:147
Inline: True
Inline callers:
  - mm/gup.c:follow_page_pte

In mm/memory.c (ffffffff814212f2)
Location: include/linux/userfaultfd_k.h:147
Inline: True
Inline callers:
  - mm/memory.c:__handle_mm_fault
  - mm/memory.c:handle_pte_marker
  - mm/memory.c:do_wp_page
  - mm/memory.c:do_wp_page
  - mm/memory.c:zap_pte_range
  - mm/memory.c:zap_pte_range
  - mm/memory.c:copy_page_range
  - mm/memory.c:copy_present_pte
  - mm/memory.c:copy_present_pte
  - mm/memory.c:copy_nonpresent_pte
  - mm/memory.c:copy_nonpresent_pte

In mm/mmap.c (ffffffff814297ba)
Location: include/linux/userfaultfd_k.h:147
Inline: True
Inline callers:
  - mm/mmap.c:vma_wants_writenotify

In mm/mprotect.c (ffffffff8142ffa9)
Location: include/linux/userfaultfd_k.h:147
Inline: True
Inline callers:
  - mm/mprotect.c:change_protection_range
  - mm/mprotect.c:change_p4d_range
  - mm/mprotect.c:change_p4d_range
  - mm/mprotect.c:change_pte_range
  - mm/mprotect.c:can_change_pte_writable

In mm/rmap.c (ffffffff81439579)
Location: include/linux/userfaultfd_k.h:147
Inline: True
Inline callers:
  - mm/rmap.c:try_to_unmap_one

In mm/hugetlb.c (ffffffff8147eaad)
Location: include/linux/userfaultfd_k.h:147
Inline: True
Inline callers:
  - mm/hugetlb.c:hugetlb_fault
  - mm/hugetlb.c:copy_hugetlb_page_range
  - mm/hugetlb.c:copy_hugetlb_page_range
  - mm/hugetlb.c:copy_hugetlb_page_range
  - mm/hugetlb.c:copy_hugetlb_page_range
  - mm/hugetlb.c:copy_hugetlb_page_range
  - mm/hugetlb.c:copy_hugetlb_page_range

In mm/huge_memory.c (ffffffff814a4201)
Location: include/linux/userfaultfd_k.h:147
Inline: True
Inline callers:
  - mm/huge_memory.c:follow_trans_huge_pmd
  - mm/huge_memory.c:can_change_pmd_writable
  - mm/huge_memory.c:copy_huge_pmd
  - mm/huge_memory.c:copy_huge_pmd

In mm/khugepaged.c (ffffffff814acbbf)
Location: include/linux/userfaultfd_k.h:147
Inline: True
Inline callers:
  - mm/khugepaged.c:retract_page_tables
  - mm/khugepaged.c:retract_page_tables
  - mm/khugepaged.c:collapse_pte_mapped_thp

In mm/userfaultfd.c (ffffffff814d27a8)
Location: include/linux/userfaultfd_k.h:147
Inline: True
Inline callers:
  - mm/userfaultfd.c:mwriteprotect_range

In fs/userfaultfd.c (ffffffff81559b80)
Location: include/linux/userfaultfd_k.h:147
Inline: True
Inline callers:
  - fs/userfaultfd.c:userfaultfd_unregister

In fs/proc/task_mmu.c (ffffffff8159a87d)
Location: include/linux/userfaultfd_k.h:147
Inline: True
Inline callers:
  - fs/proc/task_mmu.c:pagemap_scan_test_walk

Arch

In arm64: Absent ⚠️
In armhf: Absent ⚠️
In ppc64el: Absent ⚠️
In riscv64: Absent ⚠️

Flavor

In aws: Absent ⚠️
In azure: Absent ⚠️
In gcp: Absent ⚠️
In lowlatency: Absent ⚠️

DepSurf

Function: userfaultfd_wp

Status

Differences

Function: `userfaultfd_wp`