website-function

Function: page_needs_cow_for_dma

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: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In mm/memory.c (ffffffff8129ebf6)
  Location: include/linux/mm.h:1338
  Inline: True
  Inline callers:
    - mm/memory.c:copy_pte_range
  

  In mm/hugetlb.c (ffffffff812dcc20)
  Location: include/linux/mm.h:1338
  Inline: True
  Inline callers:
    - mm/hugetlb.c:copy_hugetlb_page_range
  

  In mm/huge_memory.c (ffffffff812fe3d1)
  Location: include/linux/mm.h:1338
  Inline: True
  Inline callers:
    - mm/huge_memory.c:copy_huge_pud
    - mm/huge_memory.c:copy_huge_pud
    - mm/huge_memory.c:copy_huge_pmd
    - mm/huge_memory.c:copy_huge_pmd
  

• In 5.15: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In mm/memory.c (ffffffff812dfe39)
  Location: include/linux/mm.h:1342
  Inline: True
  Inline callers:
    - mm/memory.c:copy_pte_range
  

  In mm/hugetlb.c (ffffffff81323e1e)
  Location: include/linux/mm.h:1342
  Inline: True
  Inline callers:
    - mm/hugetlb.c:copy_hugetlb_page_range
  

  In mm/huge_memory.c (ffffffff81347f71)
  Location: include/linux/mm.h:1342
  Inline: True
  Inline callers:
    - mm/huge_memory.c:copy_huge_pud
    - mm/huge_memory.c:copy_huge_pud
    - mm/huge_memory.c:copy_huge_pmd
    - mm/huge_memory.c:copy_huge_pmd
  

• In 5.19: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In mm/memory.c (ffffffff813402b9)
  Location: include/linux/mm.h:1586
  Inline: True
  Inline callers:
    - mm/memory.c:copy_present_pte
  

  In mm/hugetlb.c (ffffffff81391b3a)
  Location: include/linux/mm.h:1586
  Inline: True
  Inline callers:
    - mm/hugetlb.c:copy_hugetlb_page_range
  

  In mm/huge_memory.c (ffffffff813be97e)
  Location: include/linux/mm.h:1586
  Inline: True
  Inline callers:
    - mm/huge_memory.c:copy_huge_pmd
  

• In 6.2: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In mm/memory.c (ffffffff813b8249)
  Location: include/linux/mm.h:1704
  Inline: True
  Inline callers:
    - mm/memory.c:copy_present_pte
  

  In mm/hugetlb.c (ffffffff8140eb98)
  Location: include/linux/mm.h:1704
  Inline: True
  Inline callers:
    - mm/hugetlb.c:copy_hugetlb_page_range
  

  In mm/huge_memory.c (ffffffff814411e9)
  Location: include/linux/mm.h:1704
  Inline: True
  Inline callers:
    - mm/huge_memory.c:copy_huge_pmd
  

• In 6.5: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In mm/memory.c (ffffffff813ed030)
  Location: include/linux/mm.h:1912
  Inline: True
  Inline callers:
    - mm/memory.c:copy_present_pte
  

  In mm/hugetlb.c (ffffffff81441f46)
  Location: include/linux/mm.h:1912
  Inline: True
  Inline callers:
    - mm/hugetlb.c:copy_hugetlb_page_range
  

  In mm/huge_memory.c (ffffffff81476ab3)
  Location: include/linux/mm.h:1912
  Inline: True
  Inline callers:
    - mm/huge_memory.c:copy_huge_pmd
  

• 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