DepSurf

Function: head_compound_mapcount

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: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In mm/vmscan.c (ffffffff81271197)
  Location: include/linux/mm.h:810
  Inline: True
  Inline callers:
    - mm/vmscan.c:shrink_page_list
  

  In mm/debug.c (ffffffff81be74e5)
  Location: include/linux/mm.h:810
  Inline: True
  Inline callers:
    - mm/debug.c:__dump_page
    - mm/debug.c:__dump_page
  

  In mm/swapfile.c (ffffffff812c81fb)
  Location: include/linux/mm.h:810
  Inline: True
  Inline callers:
    - mm/swapfile.c:page_trans_huge_map_swapcount
  

  In mm/huge_memory.c (ffffffff812f8f0a)
  Location: include/linux/mm.h:810
  Inline: True
  Inline callers:
    - mm/huge_memory.c:page_trans_huge_mapcount
    - mm/huge_memory.c:__split_huge_pmd_locked
    - mm/huge_memory.c:follow_trans_huge_pmd
  

• In 5.13: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In mm/vmscan.c (ffffffff81275cf4)
  Location: include/linux/mm.h:833
  Inline: True
  Inline callers:
    - mm/vmscan.c:shrink_page_list
  

  In mm/debug.c (ffffffff81bd9370)
  Location: include/linux/mm.h:833
  Inline: True
  Inline callers:
    - mm/debug.c:__dump_page
    - mm/debug.c:__dump_page
  

  In mm/swapfile.c (ffffffff812cec73)
  Location: include/linux/mm.h:833
  Inline: True
  Inline callers:
    - mm/swapfile.c:page_trans_huge_map_swapcount
  

  In mm/huge_memory.c (ffffffff812ff54d)
  Location: include/linux/mm.h:833
  Inline: True
  Inline callers:
    - mm/huge_memory.c:page_trans_huge_mapcount
    - mm/huge_memory.c:__split_huge_pmd_locked
    - mm/huge_memory.c:follow_trans_huge_pmd
  

• In 5.15: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In mm/vmscan.c (ffffffff812b39ee)
  Location: include/linux/mm.h:836
  Inline: True
  Inline callers:
    - mm/vmscan.c:shrink_page_list
  

  In mm/debug.c (ffffffff81cbbdb2)
  Location: include/linux/mm.h:836
  Inline: True
  Inline callers:
    - mm/debug.c:__dump_page
    - mm/debug.c:__dump_page
  

  In mm/swapfile.c (ffffffff81314203)
  Location: include/linux/mm.h:836
  Inline: True
  Inline callers:
    - mm/swapfile.c:page_trans_huge_map_swapcount
  

  In mm/huge_memory.c (ffffffff8134915d)
  Location: include/linux/mm.h:836
  Inline: True
  Inline callers:
    - mm/huge_memory.c:page_trans_huge_mapcount
    - mm/huge_memory.c:__split_huge_pmd_locked
    - mm/huge_memory.c:follow_trans_huge_pmd
  

• In 5.19: Absent ⚠️
• In 6.2: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In mm/filemap.c (ffffffff81359a7f)
  Location: include/linux/mm.h:842
  Inline: True
  Inline callers:
    - mm/filemap.c:filemap_unaccount_folio
  

  In mm/debug.c (ffffffff813ade78)
  Location: include/linux/mm.h:842
  Inline: True
  Inline callers:
    - mm/debug.c:__dump_page
    - mm/debug.c:__dump_page
  

  In mm/memory.c (ffffffff813bc920)
  Location: include/linux/mm.h:842
  Inline: True
  Inline callers:
    - mm/memory.c:do_numa_page
    - mm/memory.c:zap_pte_range
  

  In mm/rmap.c (ffffffff813d8f21)
  Location: include/linux/mm.h:842
  Inline: True
  Inline callers:
    - mm/rmap.c:try_to_unmap_one
    - mm/rmap.c:folio_referenced
  

  In mm/madvise.c (ffffffff813f4e2f)
  Location: include/linux/mm.h:842
  Inline: True
  Inline callers:
    - mm/madvise.c:madvise_cold_or_pageout_pte_range
    - mm/madvise.c:madvise_cold_or_pageout_pte_range
    - mm/madvise.c:madvise_cold_or_pageout_pte_range
  

  In mm/hugetlb.c (ffffffff814107ab)
  Location: include/linux/mm.h:842
  Inline: True
  Inline callers:
    - mm/hugetlb.c:hugetlb_wp
  

  In mm/mempolicy.c (ffffffff81416362)
  Location: include/linux/mm.h:842
  Inline: True
  Inline callers:
    - mm/mempolicy.c:migrate_page_add
    - mm/mempolicy.c:queue_pages_hugetlb
  

  In mm/ksm.c (ffffffff814218b7)
  Location: include/linux/mm.h:842
  Inline: True
  Inline callers:
    - mm/ksm.c:stable_tree_search
    - mm/ksm.c:write_protect_page
  

  In mm/migrate.c (ffffffff8143629a)
  Location: include/linux/mm.h:842
  Inline: True
  Inline callers:
    - mm/migrate.c:migrate_misplaced_page
    - mm/migrate.c:add_page_for_migration
  

  In mm/migrate_device.c (ffffffff8143829b)
  Location: include/linux/mm.h:842
  Inline: True
  Inline callers:
    - mm/migrate_device.c:migrate_device_unmap
  

  In mm/khugepaged.c (ffffffff8144a918)
  Location: include/linux/mm.h:842
  Inline: True
  Inline callers:
    - mm/khugepaged.c:hpage_collapse_scan_file
    - mm/khugepaged.c:hpage_collapse_scan_pmd
    - mm/khugepaged.c:__collapse_huge_page_isolate
  

  In mm/memory-failure.c (ffffffff81462c47)
  Location: include/linux/mm.h:842
  Inline: True
  Inline callers:
    - mm/memory-failure.c:hwpoison_user_mappings
  

  In fs/proc/task_mmu.c (ffffffff8152dacd)
  Location: include/linux/mm.h:842
  Inline: True
  Inline callers:
    - fs/proc/task_mmu.c:gather_stats
    - fs/proc/task_mmu.c:pagemap_hugetlb_range
    - fs/proc/task_mmu.c:pagemap_pmd_range
    - fs/proc/task_mmu.c:pte_to_pagemap_entry
    - fs/proc/task_mmu.c:smaps_hugetlb_range
    - fs/proc/task_mmu.c:smaps_account
  

  In fs/proc/page.c (ffffffff81547a61)
  Location: include/linux/mm.h:842
  Inline: True
  Inline callers:
    - fs/proc/page.c:kpagecount_read
  

• In 6.5: Absent ⚠️
• In 6.8: Absent ⚠️

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