website-function

Function: pte_marker_entry_uffd_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: Absent ⚠️
• In 5.11: Absent ⚠️
• In 5.13: Absent ⚠️
• In 5.15: Absent ⚠️
• In 5.19: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In mm/memory.c (ffffffff8134329b)
  Location: include/linux/userfaultfd_k.h:280
  Inline: True
  Inline callers:
    - mm/memory.c:do_set_pte
    - mm/memory.c:handle_pte_marker
    - mm/memory.c:zap_pte_range
    - mm/memory.c:zap_pte_range
    - mm/memory.c:zap_pte_range
  

  In mm/mprotect.c (ffffffff81353ea2)
  Location: include/linux/userfaultfd_k.h:280
  Inline: True
  Inline callers:
    - mm/mprotect.c:change_pte_range
  

  In mm/rmap.c (ffffffff8135d9f8)
  Location: include/linux/userfaultfd_k.h:280
  Inline: True
  Inline callers:
    - mm/rmap.c:try_to_unmap_one
  

  In mm/hugetlb.c (ffffffff81390ea9)
  Location: include/linux/userfaultfd_k.h:280
  Inline: True
  Inline callers:
    - mm/hugetlb.c:hugetlb_change_protection
  

  In fs/proc/task_mmu.c (ffffffff814995ca)
  Location: include/linux/userfaultfd_k.h:280
  Inline: True
  Inline callers:
    - fs/proc/task_mmu.c:pagemap_hugetlb_range
    - fs/proc/task_mmu.c:pte_to_pagemap_entry
  

• In 6.2: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In mm/memory.c (ffffffff813bb1c6)
  Location: include/linux/userfaultfd_k.h:279
  Inline: True
  Inline callers:
    - mm/memory.c:do_set_pte
    - mm/memory.c:handle_pte_marker
    - mm/memory.c:zap_pte_range
    - mm/memory.c:zap_pte_range
    - mm/memory.c:zap_pte_range
  

  In mm/rmap.c (ffffffff813d8869)
  Location: include/linux/userfaultfd_k.h:279
  Inline: True
  Inline callers:
    - mm/rmap.c:try_to_unmap_one
  

  In mm/hugetlb.c (ffffffff81412786)
  Location: include/linux/userfaultfd_k.h:279
  Inline: True
  Inline callers:
    - mm/hugetlb.c:hugetlb_change_protection
    - mm/hugetlb.c:hugetlb_no_page
    - mm/hugetlb.c:__unmap_hugepage_range
  

  In fs/proc/task_mmu.c (ffffffff8152e872)
  Location: include/linux/userfaultfd_k.h:279
  Inline: True
  Inline callers:
    - fs/proc/task_mmu.c:pagemap_hugetlb_range
    - fs/proc/task_mmu.c:pte_to_pagemap_entry
  

• In 6.5: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In mm/memory.c (ffffffff813efebc)
  Location: include/linux/userfaultfd_k.h:315
  Inline: True
  Inline callers:
    - mm/memory.c:do_set_pte
    - mm/memory.c:do_anonymous_page
    - mm/memory.c:handle_pte_marker
    - mm/memory.c:zap_pte_range
    - mm/memory.c:zap_pte_range
    - mm/memory.c:zap_pte_range
  

  In mm/rmap.c (ffffffff8140d0a2)
  Location: include/linux/userfaultfd_k.h:315
  Inline: True
  Inline callers:
    - mm/rmap.c:try_to_unmap_one
  

  In mm/hugetlb.c (ffffffff81445d8b)
  Location: include/linux/userfaultfd_k.h:315
  Inline: True
  Inline callers:
    - mm/hugetlb.c:hugetlb_change_protection
    - mm/hugetlb.c:hugetlb_no_page
    - mm/hugetlb.c:__unmap_hugepage_range
  

  In mm/khugepaged.c (ffffffff8147f046)
  Location: include/linux/userfaultfd_k.h:315
  Inline: True
  Inline callers:
    - mm/khugepaged.c:hpage_collapse_scan_pmd
  

  In fs/proc/task_mmu.c (ffffffff81566b80)
  Location: include/linux/userfaultfd_k.h:315
  Inline: True
  Inline callers:
    - fs/proc/task_mmu.c:pagemap_hugetlb_range
    - fs/proc/task_mmu.c:pte_to_pagemap_entry
  

• In 6.8: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In mm/memory.c (ffffffff8141b458)
  Location: include/linux/userfaultfd_k.h:356
  Inline: True
  Inline callers:
    - mm/memory.c:set_pte_range
    - mm/memory.c:do_anonymous_page
    - mm/memory.c:handle_pte_marker
    - mm/memory.c:zap_pte_range
    - mm/memory.c:zap_pte_range
    - mm/memory.c:zap_pte_range
  

  In mm/rmap.c (ffffffff8143986c)
  Location: include/linux/userfaultfd_k.h:356
  Inline: True
  Inline callers:
    - mm/rmap.c:try_to_unmap_one
  

  In mm/hugetlb.c (ffffffff8147f7c3)
  Location: include/linux/userfaultfd_k.h:356
  Inline: True
  Inline callers:
    - mm/hugetlb.c:hugetlb_change_protection
    - mm/hugetlb.c:hugetlb_no_page
    - mm/hugetlb.c:__unmap_hugepage_range
  

  In mm/khugepaged.c (ffffffff814afd1e)
  Location: include/linux/userfaultfd_k.h:356
  Inline: True
  Inline callers:
    - mm/khugepaged.c:hpage_collapse_scan_pmd
  

  In fs/proc/task_mmu.c (ffffffff8159d363)
  Location: include/linux/userfaultfd_k.h:356
  Inline: True
  Inline callers:
    - fs/proc/task_mmu.c:pagemap_hugetlb_category
    - fs/proc/task_mmu.c:pagemap_page_category
    - fs/proc/task_mmu.c:pagemap_hugetlb_range
    - fs/proc/task_mmu.c:pte_to_pagemap_entry
  

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 ⚠️

Differences