DepSurf

Function: folio_total_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: Absent ⚠️
• In 5.13: Absent ⚠️
• In 5.15: Absent ⚠️
• In 5.19: Absent ⚠️
• In 6.2: Absent ⚠️
• In 6.5: Selective Inline ⚠️

  int folio_total_mapcount(struct folio *folio);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In mm/rmap.c (ffffffff8140bbc3)
  Location: mm/rmap.c:1085
  Inline: True
  Inline callers:
    - mm/rmap.c:make_device_exclusive_range
    - mm/rmap.c:try_to_unmap_one
    - mm/rmap.c:folio_referenced
  Direct callers:
    - mm/compaction.c:isolate_migratepages_block
    - mm/madvise.c:madvise_free_pte_range
    - mm/madvise.c:madvise_cold_or_pageout_pte_range
    - mm/hugetlb.c:hugetlb_wp
    - mm/migrate.c:numamigrate_isolate_page
    - mm/huge_memory.c:can_split_folio
    - mm/khugepaged.c:is_refcount_suitable
    - mm/memfd.c:memfd_wait_for_pins
  

  Symbols:

  ffffffff8140c2a0-ffffffff8140c2fb: folio_total_mapcount (STB_GLOBAL)
  

• In 6.8: Selective Inline ⚠️

  int folio_total_mapcount(struct folio *folio);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In mm/rmap.c (ffffffff8143847a)
  Location: mm/rmap.c:1137
  Inline: True
  Inline callers:
    - mm/rmap.c:make_device_exclusive_range
    - mm/rmap.c:try_to_unmap_one
    - mm/rmap.c:folio_referenced
  Direct callers:
    - mm/compaction.c:isolate_migratepages_block
    - mm/madvise.c:madvise_free_pte_range
    - mm/madvise.c:madvise_cold_or_pageout_pte_range
    - mm/hugetlb.c:hugetlb_wp
    - mm/huge_memory.c:can_split_folio
    - mm/khugepaged.c:is_refcount_suitable
    - mm/memfd.c:memfd_wait_for_pins
  

  Symbols:

  ffffffff81438b40-ffffffff81438b98: folio_total_mapcount (STB_GLOBAL)
  

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

Regular

• No changes between 6.5 and 6.8 ✅