DepSurf

Function: raw_atomic_sub_and_test

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: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In kernel/rcu/update.c (ffffffff811bce28)
  Location: include/linux/atomic/atomic-arch-fallback.h:2238
  Inline: True
  Inline callers:
    - kernel/rcu/update.c:rcu_barrier_tasks_generic
  

  In kernel/rcu/tree.c (ffffffff811c5002)
  Location: include/linux/atomic/atomic-arch-fallback.h:2238
  Inline: True
  

  In mm/filemap.c (ffffffff8138c6ec)
  Location: include/linux/atomic/atomic-arch-fallback.h:2238
  Inline: True
  Inline callers:
    - mm/filemap.c:__filemap_add_folio
    - mm/filemap.c:filemap_free_folio
  

  In mm/shmem.c (ffffffff813bd189)
  Location: include/linux/atomic/atomic-arch-fallback.h:2238
  Inline: True
  Inline callers:
    - mm/shmem.c:shmem_replace_folio
  

  In mm/gup.c (ffffffff813e2d7e)
  Location: include/linux/atomic/atomic-arch-fallback.h:2238
  Inline: True
  Inline callers:
    - mm/gup.c:gup_put_folio
    - mm/gup.c:try_grab_folio
    - mm/gup.c:try_grab_folio
    - mm/gup.c:try_grab_folio
  

  In mm/page_alloc.c (ffffffff81422513)
  Location: include/linux/atomic/atomic-arch-fallback.h:2238
  Inline: True
  Inline callers:
    - mm/page_alloc.c:page_frag_alloc_align
  

  In mm/khugepaged.c (ffffffff814804cb)
  Location: include/linux/atomic/atomic-arch-fallback.h:2238
  Inline: True
  Inline callers:
    - mm/khugepaged.c:collapse_file
  

  In fs/aio.c (ffffffff8152c8fd)
  Location: include/linux/atomic/atomic-arch-fallback.h:2238
  Inline: True
  Inline callers:
    - fs/aio.c:exit_aio
  

  In fs/iomap/buffered-io.c (ffffffff8155465f)
  Location: include/linux/atomic/atomic-arch-fallback.h:2238
  Inline: True
  Inline callers:
    - fs/iomap/buffered-io.c:iomap_finish_ioend
    - fs/iomap/buffered-io.c:iomap_read_end_io
  

• In 6.8: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In kernel/rcu/update.c (ffffffff811cd248)
  Location: include/linux/atomic/atomic-arch-fallback.h:2247
  Inline: True
  Inline callers:
    - kernel/rcu/update.c:rcu_barrier_tasks_generic
  

  In kernel/rcu/tree.c (ffffffff811d7fb2)
  Location: include/linux/atomic/atomic-arch-fallback.h:2247
  Inline: True
  

  In mm/filemap.c (ffffffff813b624f)
  Location: include/linux/atomic/atomic-arch-fallback.h:2247
  Inline: True
  Inline callers:
    - mm/filemap.c:__filemap_add_folio
    - mm/filemap.c:filemap_free_folio
  

  In mm/shmem.c (ffffffff813e7ff9)
  Location: include/linux/atomic/atomic-arch-fallback.h:2247
  Inline: True
  Inline callers:
    - mm/shmem.c:shmem_replace_folio
  

  In mm/gup.c (ffffffff8140d5bb)
  Location: include/linux/atomic/atomic-arch-fallback.h:2247
  Inline: True
  Inline callers:
    - mm/gup.c:gup_put_folio
    - mm/gup.c:try_grab_folio
    - mm/gup.c:try_grab_folio
    - mm/gup.c:try_grab_folio
  

  In mm/page_alloc.c (ffffffff8144f25c)
  Location: include/linux/atomic/atomic-arch-fallback.h:2247
  Inline: True
  Inline callers:
    - mm/page_alloc.c:page_frag_alloc_align
  

  In mm/khugepaged.c (ffffffff814ae5db)
  Location: include/linux/atomic/atomic-arch-fallback.h:2247
  Inline: True
  Inline callers:
    - mm/khugepaged.c:collapse_file
  

  In fs/aio.c (ffffffff815617dd)
  Location: include/linux/atomic/atomic-arch-fallback.h:2247
  Inline: True
  Inline callers:
    - fs/aio.c:exit_aio
  

  In fs/iomap/buffered-io.c (ffffffff8158a845)
  Location: include/linux/atomic/atomic-arch-fallback.h:2247
  Inline: True
  Inline callers:
    - fs/iomap/buffered-io.c:iomap_finish_ioend
  

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