DepSurf

Function: `folio_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: ✅

int folio_mapcount(struct folio *folio);

Collision: Unique Global

Inline: No

Transformation: False

Instances:

In mm/util.c (ffffffff8131df00)
Location: mm/util.c:845
Inline: False
Direct callers:
  - mm/rmap.c:make_device_exclusive_range
  - mm/rmap.c:try_to_unmap_one
  - mm/rmap.c:folio_referenced
  - mm/migrate.c:numamigrate_isolate_page
  - mm/huge_memory.c:can_split_folio
  - mm/huge_memory.c:madvise_free_huge_pmd
  - mm/khugepaged.c:is_refcount_suitable
  - mm/memfd.c:memfd_wait_for_pins

Symbols:

ffffffff8131df00-ffffffff8131dfdd: folio_mapcount (STB_GLOBAL)

In 6.2: Duplicate, Full Inline ⚠️

Collision: Static Duplication

Inline: Full

Transformation: False

Instances:

In mm/rmap.c (ffffffff813d7685)
Location: include/linux/mm.h:906
Inline: True
Inline callers:
  - mm/rmap.c:make_device_exclusive_range
  - mm/rmap.c:try_to_unmap_one
  - mm/rmap.c:folio_referenced

In mm/madvise.c (ffffffff813f4495)
Location: include/linux/mm.h:906
Inline: True
Inline callers:
  - mm/madvise.c:madvise_free_pte_range
  - mm/madvise.c:madvise_free_pte_range

In mm/huge_memory.c (ffffffff81441a2a)
Location: include/linux/mm.h:906
Inline: True
Inline callers:
  - mm/huge_memory.c:can_split_folio

In 6.5: Duplicate, Full Inline ⚠️

Collision: Static Duplication

Inline: Full

Transformation: False

Instances:

In mm/compaction.c (ffffffff813db20e)
Location: include/linux/mm.h:1151
Inline: True
Inline callers:
  - mm/compaction.c:isolate_migratepages_block

In mm/rmap.c (ffffffff8140bb90)
Location: include/linux/mm.h:1151
Inline: True
Inline callers:
  - mm/rmap.c:make_device_exclusive_range
  - mm/rmap.c:try_to_unmap_one
  - mm/rmap.c:folio_referenced

In mm/madvise.c (ffffffff814279f9)
Location: include/linux/mm.h:1151
Inline: True
Inline callers:
  - mm/madvise.c:madvise_free_pte_range
  - mm/madvise.c:madvise_cold_or_pageout_pte_range

In mm/hugetlb.c (ffffffff81443901)
Location: include/linux/mm.h:1151
Inline: True
Inline callers:
  - mm/hugetlb.c:hugetlb_wp

In mm/huge_memory.c (ffffffff814773fa)
Location: include/linux/mm.h:1151
Inline: True
Inline callers:
  - mm/huge_memory.c:can_split_folio

In 6.8: Duplicate, Full Inline ⚠️

Collision: Static Duplication

Inline: Full

Transformation: False

Instances:

In mm/compaction.c (ffffffff814052c8)
Location: include/linux/mm.h:1234
Inline: True
Inline callers:
  - mm/compaction.c:isolate_migratepages_block

In mm/rmap.c (ffffffff8143844a)
Location: include/linux/mm.h:1234
Inline: True
Inline callers:
  - mm/rmap.c:make_device_exclusive_range
  - mm/rmap.c:try_to_unmap_one
  - mm/rmap.c:folio_referenced

In mm/madvise.c (ffffffff81461210)
Location: include/linux/mm.h:1234
Inline: True
Inline callers:
  - mm/madvise.c:madvise_free_pte_range
  - mm/madvise.c:madvise_cold_or_pageout_pte_range

In mm/hugetlb.c (ffffffff8147d989)
Location: include/linux/mm.h:1234
Inline: True
Inline callers:
  - mm/hugetlb.c:hugetlb_wp

In mm/huge_memory.c (ffffffff814a6b7a)
Location: include/linux/mm.h:1234
Inline: True
Inline callers:
  - mm/huge_memory.c:can_split_folio

In mm/khugepaged.c (ffffffff814aa775)
Location: include/linux/mm.h:1234
Inline: True
Inline callers:
  - mm/khugepaged.c:is_refcount_suitable

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

DepSurf

Function: folio_mapcount

Status

Differences

Function: `folio_mapcount`