website-function

Function: page_ref_sub

Status

Regular

• In 4.4: Absent ⚠️
• In 4.8: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In mm/filemap.c (ffffffff811a222a)
  Location: include/linux/page_ref.h:97
  Inline: True
  Inline callers:
    - mm/filemap.c:delete_from_page_cache
    - mm/filemap.c:__delete_from_page_cache
  

  In mm/shmem.c (ffffffff811c06a4)
  Location: include/linux/page_ref.h:97
  Inline: True
  Inline callers:
    - mm/shmem.c:shmem_add_to_page_cache
  

• In 4.10: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In mm/filemap.c (ffffffff811b207a)
  Location: include/linux/page_ref.h:97
  Inline: True
  Inline callers:
    - mm/filemap.c:delete_from_page_cache
    - mm/filemap.c:__delete_from_page_cache
  

  In mm/shmem.c (ffffffff811d0c84)
  Location: include/linux/page_ref.h:97
  Inline: True
  Inline callers:
    - mm/shmem.c:shmem_add_to_page_cache
  

• In 4.13: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In mm/filemap.c (ffffffff811b8d2e)
  Location: include/linux/page_ref.h:97
  Inline: True
  Inline callers:
    - mm/filemap.c:delete_from_page_cache
    - mm/filemap.c:__delete_from_page_cache
  

  In mm/shmem.c (ffffffff811d91f4)
  Location: include/linux/page_ref.h:97
  Inline: True
  Inline callers:
    - mm/shmem.c:shmem_add_to_page_cache
  

  In mm/swap_state.c (ffffffff8120bea2)
  Location: include/linux/page_ref.h:97
  Inline: True
  Inline callers:
    - mm/swap_state.c:delete_from_swap_cache
    - mm/swap_state.c:__add_to_swap_cache
  

• In 4.15: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In mm/filemap.c (ffffffff811ca266)
  Location: include/linux/page_ref.h:98
  Inline: True
  Inline callers:
    - mm/filemap.c:unaccount_page_cache_page
  

  In mm/shmem.c (ffffffff811ee4d4)
  Location: include/linux/page_ref.h:98
  Inline: True
  Inline callers:
    - mm/shmem.c:shmem_add_to_page_cache
  

  In mm/swap_state.c (ffffffff812254a2)
  Location: include/linux/page_ref.h:98
  Inline: True
  Inline callers:
    - mm/swap_state.c:delete_from_swap_cache
    - mm/swap_state.c:__add_to_swap_cache
  

• In 4.18: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In mm/filemap.c (ffffffff811f0ca1)
  Location: include/linux/page_ref.h:98
  Inline: True
  Inline callers:
    - mm/filemap.c:unaccount_page_cache_page
  

  In mm/shmem.c (ffffffff8120edf7)
  Location: include/linux/page_ref.h:98
  Inline: True
  Inline callers:
    - mm/shmem.c:shmem_add_to_page_cache
  

  In mm/swap_state.c (ffffffff81247a42)
  Location: include/linux/page_ref.h:98
  Inline: True
  Inline callers:
    - mm/swap_state.c:delete_from_swap_cache
    - mm/swap_state.c:__add_to_swap_cache
  

• In 5.0: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In mm/filemap.c (ffffffff81202afd)
  Location: include/linux/page_ref.h:98
  Inline: True
  Inline callers:
    - mm/filemap.c:unaccount_page_cache_page
  

  In mm/shmem.c (ffffffff8122171d)
  Location: include/linux/page_ref.h:98
  Inline: True
  Inline callers:
    - mm/shmem.c:shmem_add_to_page_cache
  

  In mm/swap_state.c (ffffffff8125c005)
  Location: include/linux/page_ref.h:98
  Inline: True
  Inline callers:
    - mm/swap_state.c:delete_from_swap_cache
    - mm/swap_state.c:add_to_swap_cache
  

• In 5.3: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In mm/filemap.c (ffffffff81219f30)
  Location: include/linux/page_ref.h:98
  Inline: True
  Inline callers:
    - mm/filemap.c:unaccount_page_cache_page
  

  In mm/shmem.c (ffffffff81230f7a)
  Location: include/linux/page_ref.h:98
  Inline: True
  Inline callers:
    - mm/shmem.c:shmem_add_to_page_cache
  

  In mm/swap_state.c (ffffffff812771d4)
  Location: include/linux/page_ref.h:98
  Inline: True
  Inline callers:
    - mm/swap_state.c:delete_from_swap_cache
    - mm/swap_state.c:add_to_swap_cache
  

• In 5.4: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In mm/filemap.c (ffffffff812278a0)
  Location: include/linux/page_ref.h:98
  Inline: True
  Inline callers:
    - mm/filemap.c:unaccount_page_cache_page
  

  In mm/shmem.c (ffffffff8123f185)
  Location: include/linux/page_ref.h:98
  Inline: True
  Inline callers:
    - mm/shmem.c:shmem_add_to_page_cache
  

  In mm/swap_state.c (ffffffff81286cb4)
  Location: include/linux/page_ref.h:98
  Inline: True
  Inline callers:
    - mm/swap_state.c:delete_from_swap_cache
    - mm/swap_state.c:add_to_swap_cache
  

  In mm/khugepaged.c (ffffffff812bdfcb)
  Location: include/linux/page_ref.h:98
  Inline: True
  Inline callers:
    - mm/khugepaged.c:collapse_pte_mapped_thp
  

• In 5.8: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In mm/filemap.c (ffffffff812541df)
  Location: include/linux/page_ref.h:98
  Inline: True
  Inline callers:
    - mm/filemap.c:unaccount_page_cache_page
  

  In mm/shmem.c (ffffffff8126cb28)
  Location: include/linux/page_ref.h:98
  Inline: True
  Inline callers:
    - mm/shmem.c:shmem_add_to_page_cache
  

  In mm/gup.c (ffffffff81287d2e)
  Location: include/linux/page_ref.h:98
  Inline: True
  Inline callers:
    - mm/gup.c:put_compound_head
  

  In mm/swap_state.c (ffffffff812b9234)
  Location: include/linux/page_ref.h:98
  Inline: True
  Inline callers:
    - mm/swap_state.c:delete_from_swap_cache
    - mm/swap_state.c:add_to_swap_cache
  

  In mm/khugepaged.c (ffffffff812f3920)
  Location: include/linux/page_ref.h:98
  Inline: True
  Inline callers:
    - mm/khugepaged.c:collapse_pte_mapped_thp
  

• In 5.11: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In mm/filemap.c (ffffffff81be6a7f)
  Location: include/linux/page_ref.h:98
  Inline: True
  Inline callers:
    - mm/filemap.c:unaccount_page_cache_page
  

  In mm/shmem.c (ffffffff81277482)
  Location: include/linux/page_ref.h:98
  Inline: True
  Inline callers:
    - mm/shmem.c:shmem_add_to_page_cache
  

  In mm/gup.c (ffffffff8129192e)
  Location: include/linux/page_ref.h:98
  Inline: True
  Inline callers:
    - mm/gup.c:put_compound_head
  

  In mm/swap_state.c (ffffffff812c49f4)
  Location: include/linux/page_ref.h:98
  Inline: True
  Inline callers:
    - mm/swap_state.c:delete_from_swap_cache
    - mm/swap_state.c:add_to_swap_cache
  

  In mm/khugepaged.c (ffffffff812ff11d)
  Location: include/linux/page_ref.h:98
  Inline: True
  Inline callers:
    - mm/khugepaged.c:collapse_pte_mapped_thp
  

  In net/core/datagram.c (ffffffff819f4e22)
  Location: include/linux/page_ref.h:98
  Inline: True
  Inline callers:
    - net/core/datagram.c:__zerocopy_sg_from_iter
    - net/core/datagram.c:__zerocopy_sg_from_iter
  

• In 5.13: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In mm/filemap.c (ffffffff81bd8815)
  Location: include/linux/page_ref.h:98
  Inline: True
  Inline callers:
    - mm/filemap.c:unaccount_page_cache_page
  

  In mm/shmem.c (ffffffff8127c4e5)
  Location: include/linux/page_ref.h:98
  Inline: True
  Inline callers:
    - mm/shmem.c:shmem_add_to_page_cache
  

  In mm/gup.c (ffffffff81296c4e)
  Location: include/linux/page_ref.h:98
  Inline: True
  Inline callers:
    - mm/gup.c:put_compound_head
  

  In mm/swap_state.c (ffffffff812cb6a5)
  Location: include/linux/page_ref.h:98
  Inline: True
  Inline callers:
    - mm/swap_state.c:delete_from_swap_cache
    - mm/swap_state.c:add_to_swap_cache
  

  In mm/khugepaged.c (ffffffff81305d92)
  Location: include/linux/page_ref.h:98
  Inline: True
  Inline callers:
    - mm/khugepaged.c:collapse_pte_mapped_thp
  

  In net/core/datagram.c (ffffffff819dafaa)
  Location: include/linux/page_ref.h:98
  Inline: True
  Inline callers:
    - net/core/datagram.c:__zerocopy_sg_from_iter
    - net/core/datagram.c:__zerocopy_sg_from_iter
  

• In 5.15: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In mm/filemap.c (ffffffff81cb9e6f)
  Location: include/linux/page_ref.h:98
  Inline: True
  Inline callers:
    - mm/filemap.c:unaccount_page_cache_page
  

  In mm/shmem.c (ffffffff812ba50d)
  Location: include/linux/page_ref.h:98
  Inline: True
  Inline callers:
    - mm/shmem.c:shmem_add_to_page_cache
  

  In mm/gup.c (ffffffff812d75fe)
  Location: include/linux/page_ref.h:98
  Inline: True
  Inline callers:
    - mm/gup.c:put_compound_head
  

  In mm/swap_state.c (ffffffff8131077c)
  Location: include/linux/page_ref.h:98
  Inline: True
  Inline callers:
    - mm/swap_state.c:delete_from_swap_cache
    - mm/swap_state.c:add_to_swap_cache
  

  In mm/khugepaged.c (ffffffff8134fbf9)
  Location: include/linux/page_ref.h:98
  Inline: True
  Inline callers:
    - mm/khugepaged.c:collapse_pte_mapped_thp
  

  In net/core/datagram.c (ffffffff81a8b63d)
  Location: include/linux/page_ref.h:98
  Inline: True
  Inline callers:
    - net/core/datagram.c:__zerocopy_sg_from_iter
    - net/core/datagram.c:__zerocopy_sg_from_iter
  

• In 5.19: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In mm/filemap.c (ffffffff81e6b4b6)
  Location: include/linux/page_ref.h:130
  Inline: True
  Inline callers:
    - mm/filemap.c:filemap_unaccount_folio
  

  In mm/shmem.c (ffffffff81317ba9)
  Location: include/linux/page_ref.h:130
  Inline: True
  Inline callers:
    - mm/shmem.c:shmem_add_to_page_cache
  

  In mm/swap_state.c (ffffffff8137b464)
  Location: include/linux/page_ref.h:130
  Inline: True
  Inline callers:
    - mm/swap_state.c:delete_from_swap_cache
    - mm/swap_state.c:add_to_swap_cache
  

  In mm/khugepaged.c (ffffffff813c7e50)
  Location: include/linux/page_ref.h:130
  Inline: True
  Inline callers:
    - mm/khugepaged.c:collapse_pte_mapped_thp
  

  In net/core/datagram.c (ffffffff81c00c6b)
  Location: include/linux/page_ref.h:130
  Inline: True
  Inline callers:
    - net/core/datagram.c:__zerocopy_sg_from_iter
    - net/core/datagram.c:__zerocopy_sg_from_iter
  

• In 6.2: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In mm/filemap.c (ffffffff81359a58)
  Location: include/linux/page_ref.h:130
  Inline: True
  Inline callers:
    - mm/filemap.c:filemap_unaccount_folio
  

  In mm/shmem.c (ffffffff8138af48)
  Location: include/linux/page_ref.h:130
  Inline: True
  Inline callers:
    - mm/shmem.c:shmem_add_to_page_cache
  

  In mm/swap_state.c (ffffffff813f8dfe)
  Location: include/linux/page_ref.h:130
  Inline: True
  Inline callers:
    - mm/swap_state.c:delete_from_swap_cache
    - mm/swap_state.c:add_to_swap_cache
  

  In mm/khugepaged.c (ffffffff8144c022)
  Location: include/linux/page_ref.h:130
  Inline: True
  Inline callers:
    - mm/khugepaged.c:collapse_pte_mapped_thp
  

  In net/core/datagram.c (ffffffff81db00ce)
  Location: include/linux/page_ref.h:130
  Inline: True
  Inline callers:
    - net/core/datagram.c:__zerocopy_sg_from_iter
    - net/core/datagram.c:__zerocopy_sg_from_iter
  

• In 6.5: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In mm/filemap.c (ffffffff8138b3a5)
  Location: include/linux/page_ref.h:130
  Inline: True
  Inline callers:
    - mm/filemap.c:filemap_unaccount_folio
  

  In mm/shmem.c (ffffffff813bd576)
  Location: include/linux/page_ref.h:130
  Inline: True
  Inline callers:
    - mm/shmem.c:shmem_add_to_page_cache
  

  In mm/swap_state.c (ffffffff8142bbce)
  Location: include/linux/page_ref.h:130
  Inline: True
  Inline callers:
    - mm/swap_state.c:delete_from_swap_cache
    - mm/swap_state.c:add_to_swap_cache
  

  In mm/khugepaged.c (ffffffff81481835)
  Location: include/linux/page_ref.h:130
  Inline: True
  Inline callers:
    - mm/khugepaged.c:collapse_pte_mapped_thp
  

  In net/core/datagram.c (ffffffff81e203a8)
  Location: include/linux/page_ref.h:130
  Inline: True
  Inline callers:
    - net/core/datagram.c:__zerocopy_sg_from_iter
    - net/core/datagram.c:__zerocopy_sg_from_iter
  

• In 6.8: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In mm/filemap.c (ffffffff813b4ecc)
  Location: include/linux/page_ref.h:130
  Inline: True
  Inline callers:
    - mm/filemap.c:filemap_unaccount_folio
  

  In mm/shmem.c (ffffffff813e87e8)
  Location: include/linux/page_ref.h:130
  Inline: True
  Inline callers:
    - mm/shmem.c:shmem_add_to_page_cache
  

  In mm/swap_state.c (ffffffff8146532b)
  Location: include/linux/page_ref.h:130
  Inline: True
  Inline callers:
    - mm/swap_state.c:delete_from_swap_cache
    - mm/swap_state.c:add_to_swap_cache
  

  In mm/khugepaged.c (ffffffff814b087d)
  Location: include/linux/page_ref.h:130
  Inline: True
  Inline callers:
    - mm/khugepaged.c:collapse_pte_mapped_thp
    - mm/khugepaged.c:collapse_pte_mapped_thp
  

  In net/core/datagram.c (ffffffff81ede285)
  Location: include/linux/page_ref.h:130
  Inline: True
  Inline callers:
    - net/core/datagram.c:__zerocopy_sg_from_iter
    - net/core/datagram.c:__zerocopy_sg_from_iter
  

Arch

• In arm64: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In mm/filemap.c (ffff8000102aeed8)
  Location: include/linux/page_ref.h:98
  Inline: True
  Inline callers:
    - mm/filemap.c:unaccount_page_cache_page
  

  In mm/shmem.c (ffff8000102d18ac)
  Location: include/linux/page_ref.h:98
  Inline: True
  Inline callers:
    - mm/shmem.c:shmem_add_to_page_cache
  

  In mm/swap_state.c (ffff8000103215a4)
  Location: include/linux/page_ref.h:98
  Inline: True
  Inline callers:
    - mm/swap_state.c:delete_from_swap_cache
    - mm/swap_state.c:add_to_swap_cache
  

  In mm/khugepaged.c (ffff80001035f580)
  Location: include/linux/page_ref.h:98
  Inline: True
  Inline callers:
    - mm/khugepaged.c:collapse_pte_mapped_thp
  

• In armhf: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In mm/filemap.c (c04dab0c)
  Location: include/linux/page_ref.h:98
  Inline: True
  Inline callers:
    - mm/filemap.c:unaccount_page_cache_page
  

  In mm/shmem.c (c04f8c20)
  Location: include/linux/page_ref.h:98
  Inline: True
  Inline callers:
    - mm/shmem.c:shmem_add_to_page_cache
  

  In mm/swap_state.c (c0539de8)
  Location: include/linux/page_ref.h:98
  Inline: True
  Inline callers:
    - mm/swap_state.c:delete_from_swap_cache
    - mm/swap_state.c:add_to_swap_cache
  

• In ppc64el: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In mm/filemap.c (c00000000036242c)
  Location: include/linux/page_ref.h:98
  Inline: True
  Inline callers:
    - mm/filemap.c:unaccount_page_cache_page
  

  In mm/shmem.c (c00000000038f3ac)
  Location: include/linux/page_ref.h:98
  Inline: True
  Inline callers:
    - mm/shmem.c:shmem_add_to_page_cache
  

  In mm/swap_state.c (c0000000003f6bf0)
  Location: include/linux/page_ref.h:98
  Inline: True
  Inline callers:
    - mm/swap_state.c:delete_from_swap_cache
    - mm/swap_state.c:add_to_swap_cache
  

  In mm/khugepaged.c (c00000000044a488)
  Location: include/linux/page_ref.h:98
  Inline: True
  Inline callers:
    - mm/khugepaged.c:collapse_pte_mapped_thp
  

• In riscv64: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In mm/filemap.c (ffffffe0001d442c)
  Location: include/linux/page_ref.h:98
  Inline: True
  Inline callers:
    - mm/filemap.c:unaccount_page_cache_page
  

  In mm/shmem.c (ffffffe0001edcea)
  Location: include/linux/page_ref.h:98
  Inline: True
  Inline callers:
    - mm/shmem.c:shmem_add_to_page_cache
  

  In mm/swap_state.c (ffffffe0002228f8)
  Location: include/linux/page_ref.h:98
  Inline: True
  Inline callers:
    - mm/swap_state.c:delete_from_swap_cache
    - mm/swap_state.c:add_to_swap_cache
  

Flavor

• In aws: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In mm/filemap.c (ffffffff8121fef0)
  Location: include/linux/page_ref.h:98
  Inline: True
  Inline callers:
    - mm/filemap.c:unaccount_page_cache_page
  

  In mm/shmem.c (ffffffff812377d5)
  Location: include/linux/page_ref.h:98
  Inline: True
  Inline callers:
    - mm/shmem.c:shmem_add_to_page_cache
  

  In mm/swap_state.c (ffffffff8127f304)
  Location: include/linux/page_ref.h:98
  Inline: True
  Inline callers:
    - mm/swap_state.c:delete_from_swap_cache
    - mm/swap_state.c:add_to_swap_cache
  

  In mm/khugepaged.c (ffffffff812b65ab)
  Location: include/linux/page_ref.h:98
  Inline: True
  Inline callers:
    - mm/khugepaged.c:collapse_pte_mapped_thp
  

• In azure: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In mm/filemap.c (ffffffff812130a0)
  Location: include/linux/page_ref.h:98
  Inline: True
  Inline callers:
    - mm/filemap.c:unaccount_page_cache_page
  

  In mm/shmem.c (ffffffff8122a65f)
  Location: include/linux/page_ref.h:98
  Inline: True
  Inline callers:
    - mm/shmem.c:shmem_add_to_page_cache
  

  In mm/swap_state.c (ffffffff8127111e)
  Location: include/linux/page_ref.h:98
  Inline: True
  Inline callers:
    - mm/swap_state.c:delete_from_swap_cache
    - mm/swap_state.c:add_to_swap_cache
  

  In mm/khugepaged.c (ffffffff812a7781)
  Location: include/linux/page_ref.h:98
  Inline: True
  Inline callers:
    - mm/khugepaged.c:collapse_pte_mapped_thp
  

• In gcp: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In mm/filemap.c (ffffffff8121dc90)
  Location: include/linux/page_ref.h:98
  Inline: True
  Inline callers:
    - mm/filemap.c:unaccount_page_cache_page
  

  In mm/shmem.c (ffffffff81235575)
  Location: include/linux/page_ref.h:98
  Inline: True
  Inline callers:
    - mm/shmem.c:shmem_add_to_page_cache
  

  In mm/swap_state.c (ffffffff8127d0a4)
  Location: include/linux/page_ref.h:98
  Inline: True
  Inline callers:
    - mm/swap_state.c:delete_from_swap_cache
    - mm/swap_state.c:add_to_swap_cache
  

  In mm/khugepaged.c (ffffffff812b43bb)
  Location: include/linux/page_ref.h:98
  Inline: True
  Inline callers:
    - mm/khugepaged.c:collapse_pte_mapped_thp
  

• In lowlatency: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In mm/filemap.c (ffffffff8122cd00)
  Location: include/linux/page_ref.h:98
  Inline: True
  Inline callers:
    - mm/filemap.c:unaccount_page_cache_page
  

  In mm/shmem.c (ffffffff8124567c)
  Location: include/linux/page_ref.h:98
  Inline: True
  Inline callers:
    - mm/shmem.c:shmem_add_to_page_cache
  

  In mm/swap_state.c (ffffffff8128cc5b)
  Location: include/linux/page_ref.h:98
  Inline: True
  Inline callers:
    - mm/swap_state.c:delete_from_swap_cache
    - mm/swap_state.c:add_to_swap_cache
  

  In mm/khugepaged.c (ffffffff812c4887)
  Location: include/linux/page_ref.h:98
  Inline: True
  Inline callers:
    - mm/khugepaged.c:collapse_pte_mapped_thp
  

Differences