DepSurf

Function: total_mapcount

Status

Regular

• In 4.4: Absent ⚠️
• In 4.8: Selective Inline ⚠️

  int total_mapcount(struct page *page);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In mm/huge_memory.c (ffffffff812168b0)
  Location: mm/huge_memory.c:1878
  Inline: True
  Direct callers:
    - mm/rmap.c:page_referenced
    - mm/huge_memory.c:split_huge_page_to_list
    - mm/huge_memory.c:split_huge_page_to_list
  

  Symbols:

  ffffffff812168b0-ffffffff81216960: total_mapcount (STB_GLOBAL)
  

• In 4.10: Selective Inline ⚠️

  int total_mapcount(struct page *page);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In mm/huge_memory.c (ffffffff81228e70)
  Location: mm/huge_memory.c:2009
  Inline: True
  Direct callers:
    - mm/rmap.c:page_referenced
    - mm/huge_memory.c:split_huge_page_to_list
    - mm/huge_memory.c:split_huge_page_to_list
  

  Symbols:

  ffffffff81228e70-ffffffff81228f20: total_mapcount (STB_GLOBAL)
  

• In 4.13: Selective Inline ⚠️

  int total_mapcount(struct page *page);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In mm/huge_memory.c (ffffffff81234b50)
  Location: mm/huge_memory.c:2333
  Inline: True
  Direct callers:
    - mm/rmap.c:page_mapcount_is_zero
    - mm/rmap.c:page_referenced
    - mm/huge_memory.c:split_huge_page_to_list
    - mm/huge_memory.c:can_split_huge_page
  

  Symbols:

  ffffffff81234b50-ffffffff81234bf9: total_mapcount (STB_GLOBAL)
  

• In 4.15: Selective Inline ⚠️

  int total_mapcount(struct page *page);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In mm/huge_memory.c (ffffffff81254570)
  Location: mm/huge_memory.c:2485
  Inline: True
  Direct callers:
    - mm/rmap.c:page_mapcount_is_zero
    - mm/rmap.c:page_referenced
    - mm/huge_memory.c:split_huge_page_to_list
    - mm/huge_memory.c:can_split_huge_page
  

  Symbols:

  ffffffff81254570-ffffffff81254619: total_mapcount (STB_GLOBAL)
  

• In 4.18: Selective Inline ⚠️

  int total_mapcount(struct page *page);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In mm/huge_memory.c (ffffffff812783c0)
  Location: mm/huge_memory.c:2477
  Inline: True
  Direct callers:
    - mm/rmap.c:page_mapcount_is_zero
    - mm/rmap.c:page_referenced
    - mm/huge_memory.c:split_huge_page_to_list
    - mm/huge_memory.c:can_split_huge_page
  

  Symbols:

  ffffffff812783c0-ffffffff81278469: total_mapcount (STB_GLOBAL)
  

• In 5.0: Selective Inline ⚠️

  int total_mapcount(struct page *page);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In mm/huge_memory.c (ffffffff8128ca00)
  Location: mm/huge_memory.c:2496
  Inline: True
  Direct callers:
    - mm/rmap.c:page_mapcount_is_zero
    - mm/rmap.c:page_referenced
    - mm/huge_memory.c:split_huge_page_to_list
    - mm/huge_memory.c:can_split_huge_page
  

  Symbols:

  ffffffff8128ca00-ffffffff8128cab1: total_mapcount (STB_GLOBAL)
  

• In 5.3: Selective Inline ⚠️

  int total_mapcount(struct page *page);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In mm/huge_memory.c (ffffffff812a76f0)
  Location: mm/huge_memory.c:2557
  Inline: True
  Direct callers:
    - mm/rmap.c:page_mapcount_is_zero
    - mm/rmap.c:page_referenced
    - mm/huge_memory.c:split_huge_page_to_list
    - mm/huge_memory.c:can_split_huge_page
  

  Symbols:

  ffffffff812a76f0-ffffffff812a77bd: total_mapcount (STB_GLOBAL)
  

• In 5.4: Selective Inline ⚠️

  int total_mapcount(struct page *page);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In mm/huge_memory.c (ffffffff812b8b90)
  Location: mm/huge_memory.c:2580
  Inline: True
  Direct callers:
    - mm/rmap.c:page_mapcount_is_zero
    - mm/rmap.c:page_referenced
    - mm/huge_memory.c:split_huge_page_to_list
    - mm/huge_memory.c:can_split_huge_page
  

  Symbols:

  ffffffff812b8b90-ffffffff812b8c5d: total_mapcount (STB_GLOBAL)
  

• In 5.8: Selective Inline ⚠️

  int total_mapcount(struct page *page);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In mm/huge_memory.c (ffffffff812ed740)
  Location: mm/huge_memory.c:2490
  Inline: True
  Direct callers:
    - mm/rmap.c:page_mapcount_is_zero
    - mm/rmap.c:page_referenced
    - mm/huge_memory.c:split_huge_page_to_list
    - mm/huge_memory.c:can_split_huge_page
    - mm/khugepaged.c:is_refcount_suitable
  

  Symbols:

  ffffffff812ed740-ffffffff812ed802: total_mapcount (STB_GLOBAL)
  

• In 5.11: Selective Inline, Transformation ⚠️

  int total_mapcount(struct page *page);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: True

  Instances:

  In mm/huge_memory.c (ffffffff812f9300)
  Location: mm/huge_memory.c:2546
  Inline: True
  Inline callers:
    - mm/huge_memory.c:split_huge_page_to_list
    - mm/huge_memory.c:can_split_huge_page
  Direct callers:
    - mm/rmap.c:page_mapcount_is_zero
    - mm/rmap.c:page_referenced
    - mm/huge_memory.c:split_huge_page_to_list
    - mm/huge_memory.c:can_split_huge_page
    - mm/khugepaged.c:is_refcount_suitable
  

  Symbols:

  ffffffff812f3a90-ffffffff812f3b50: total_mapcount.part.0 (STB_LOCAL)
  ffffffff812f8e60-ffffffff812f8e89: total_mapcount (STB_GLOBAL)
  

• In 5.13: Selective Inline ⚠️

  int total_mapcount(struct page *page);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In mm/huge_memory.c (ffffffff812ff3f0)
  Location: mm/huge_memory.c:2557
  Inline: True
  Direct callers:
    - mm/rmap.c:page_referenced
    - mm/huge_memory.c:can_split_huge_page
    - mm/huge_memory.c:madvise_free_huge_pmd
    - mm/khugepaged.c:is_refcount_suitable
  

  Symbols:

  ffffffff812ff3f0-ffffffff812ff4c6: total_mapcount (STB_GLOBAL)
  

• In 5.15: Selective Inline ⚠️

  int total_mapcount(struct page *page);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In mm/huge_memory.c (ffffffff81349000)
  Location: mm/huge_memory.c:2496
  Inline: True
  Direct callers:
    - mm/rmap.c:page_referenced
    - mm/migrate.c:migrate_misplaced_page
    - mm/huge_memory.c:can_split_huge_page
    - mm/huge_memory.c:madvise_free_huge_pmd
    - mm/khugepaged.c:is_refcount_suitable
    - mm/memfd.c:memfd_wait_for_pins
  

  Symbols:

  ffffffff81349000-ffffffff813490d6: total_mapcount (STB_GLOBAL)
  

• In 5.19: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In mm/migrate.c (ffffffff813b2c86)
  Location: include/linux/mm.h:832
  Inline: True
  Inline callers:
    - mm/migrate.c:numamigrate_isolate_page
  

  In mm/huge_memory.c (ffffffff813c02c9)
  Location: include/linux/mm.h:832
  Inline: True
  Inline callers:
    - mm/huge_memory.c:madvise_free_huge_pmd
  

  In mm/khugepaged.c (ffffffff813c4125)
  Location: include/linux/mm.h:832
  Inline: True
  Inline callers:
    - mm/khugepaged.c:is_refcount_suitable
  

  In mm/memfd.c (ffffffff813e9686)
  Location: include/linux/mm.h:832
  Inline: True
  Inline callers:
    - mm/memfd.c:memfd_wait_for_pins
  

• In 6.2: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In mm/compaction.c (ffffffff813a7e1d)
  Location: include/linux/mm.h:913
  Inline: True
  Inline callers:
    - mm/compaction.c:isolate_migratepages_block
  

  In mm/migrate.c (0)
  Location: include/linux/mm.h:913
  Inline: True
  Inline callers:
    - mm/migrate.c:numamigrate_isolate_page
  

  In mm/huge_memory.c (ffffffff814425dc)
  Location: include/linux/mm.h:913
  Inline: True
  Inline callers:
    - mm/huge_memory.c:madvise_free_huge_pmd
  

  In mm/khugepaged.c (ffffffff81448045)
  Location: include/linux/mm.h:913
  Inline: True
  Inline callers:
    - mm/khugepaged.c:is_refcount_suitable
  

  In mm/memfd.c (ffffffff81471657)
  Location: include/linux/mm.h:913
  Inline: True
  Inline callers:
    - mm/memfd.c:memfd_wait_for_pins
    - mm/memfd.c:memfd_wait_for_pins
  

• In 6.5: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In mm/migrate.c (ffffffff81468a83)
  Location: include/linux/mm.h:1158
  Inline: True
  Inline callers:
    - mm/migrate.c:numamigrate_isolate_page
  

  In mm/khugepaged.c (ffffffff8147da25)
  Location: include/linux/mm.h:1158
  Inline: True
  Inline callers:
    - mm/khugepaged.c:is_refcount_suitable
  

  In mm/memfd.c (ffffffff814a5b98)
  Location: include/linux/mm.h:1158
  Inline: True
  Inline callers:
    - mm/memfd.c:memfd_wait_for_pins
    - mm/memfd.c:memfd_wait_for_pins
  

• In 6.8: Full Inline ⚠️

  Collision: Unique Static

  Inline: Full

  Transformation: False

  Instances:

  In mm/memfd.c (ffffffff814d6b45)
  Location: include/linux/mm.h:1241
  Inline: True
  Inline callers:
    - mm/memfd.c:memfd_wait_for_pins
    - mm/memfd.c:memfd_wait_for_pins
  

Arch

• In arm64: Selective Inline ⚠️

  int total_mapcount(struct page *page);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In mm/huge_memory.c (ffff800010359240)
  Location: mm/huge_memory.c:2580
  Inline: True
  Direct callers:
    - mm/rmap.c:page_mapcount_is_zero
    - mm/rmap.c:page_referenced
    - mm/huge_memory.c:split_huge_page_to_list
    - mm/huge_memory.c:can_split_huge_page
  

  Symbols:

  ffff800010359240-ffff80001035931c: total_mapcount (STB_GLOBAL)
  

• In armhf: Full Inline ⚠️

  Collision: Unique Static

  Inline: Full

  Transformation: False

  Instances:

  In mm/rmap.c (c0525a58)
  Location: include/linux/mm.h:730
  Inline: True
  Inline callers:
    - mm/rmap.c:page_mapcount_is_zero
    - mm/rmap.c:page_referenced
  

• In ppc64el: Selective Inline ⚠️

  int total_mapcount(struct page *page);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In mm/huge_memory.c (c0000000004425e0)
  Location: mm/huge_memory.c:2580
  Inline: True
  Direct callers:
    - mm/rmap.c:page_mapcount_is_zero
    - mm/rmap.c:page_referenced
    - mm/huge_memory.c:split_huge_page_to_list
    - mm/huge_memory.c:can_split_huge_page
  

  Symbols:

  c0000000004425e0-c000000000442764: total_mapcount (STB_GLOBAL)
  

• In riscv64: Full Inline ⚠️

  Collision: Unique Static

  Inline: Full

  Transformation: False

  Instances:

  In mm/rmap.c (ffffffe000213348)
  Location: include/linux/mm.h:730
  Inline: True
  Inline callers:
    - mm/rmap.c:page_mapcount_is_zero
    - mm/rmap.c:page_referenced
  

Flavor

• In aws: Selective Inline ⚠️

  int total_mapcount(struct page *page);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In mm/huge_memory.c (ffffffff812b1170)
  Location: mm/huge_memory.c:2580
  Inline: True
  Direct callers:
    - mm/rmap.c:page_mapcount_is_zero
    - mm/rmap.c:page_referenced
    - mm/huge_memory.c:split_huge_page_to_list
    - mm/huge_memory.c:can_split_huge_page
  

  Symbols:

  ffffffff812b1170-ffffffff812b123d: total_mapcount (STB_GLOBAL)
  

• In azure: Selective Inline ⚠️

  int total_mapcount(struct page *page);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In mm/huge_memory.c (ffffffff812a2540)
  Location: mm/huge_memory.c:2580
  Inline: True
  Direct callers:
    - mm/rmap.c:page_mapcount_is_zero
    - mm/rmap.c:page_referenced
    - mm/huge_memory.c:split_huge_page_to_list
    - mm/huge_memory.c:can_split_huge_page
  

  Symbols:

  ffffffff812a2540-ffffffff812a260d: total_mapcount (STB_GLOBAL)
  

• In gcp: Selective Inline ⚠️

  int total_mapcount(struct page *page);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In mm/huge_memory.c (ffffffff812aef80)
  Location: mm/huge_memory.c:2580
  Inline: True
  Direct callers:
    - mm/rmap.c:page_mapcount_is_zero
    - mm/rmap.c:page_referenced
    - mm/huge_memory.c:split_huge_page_to_list
    - mm/huge_memory.c:can_split_huge_page
  

  Symbols:

  ffffffff812aef80-ffffffff812af04d: total_mapcount (STB_GLOBAL)
  

• In lowlatency: Selective Inline ⚠️

  int total_mapcount(struct page *page);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In mm/huge_memory.c (ffffffff812bf2d0)
  Location: mm/huge_memory.c:2580
  Inline: True
  Direct callers:
    - mm/rmap.c:page_mapcount_is_zero
    - mm/rmap.c:page_referenced
    - mm/huge_memory.c:split_huge_page_to_list
    - mm/huge_memory.c:can_split_huge_page
  

  Symbols:

  ffffffff812bf2d0-ffffffff812bf39d: total_mapcount (STB_GLOBAL)
  

Differences

Regular

• No changes between 4.8 and 4.10 ✅
• No changes between 4.10 and 4.13 ✅
• No changes between 4.13 and 4.15 ✅
• No changes between 4.15 and 4.18 ✅
• No changes between 4.18 and 5.0 ✅
• No changes between 5.0 and 5.3 ✅
• No changes between 5.3 and 5.4 ✅
• No changes between 5.4 and 5.8 ✅
• No changes between 5.8 and 5.11 ✅
• No changes between 5.11 and 5.13 ✅
• No changes between 5.13 and 5.15 ✅

Arch

• No changes between amd64 and arm64 ✅
• No changes between amd64 and ppc64el ✅

Flavor

• No changes between generic and aws ✅
• No changes between generic and azure ✅
• No changes between generic and gcp ✅
• No changes between generic and lowlatency ✅