DepSurf

Function: arch_atomic_dec_unless_positive

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: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In kernel/events/core.c (0)
  Location: include/linux/atomic-arch-fallback.h:1152
  Inline: True
  Inline callers:
    - kernel/events/core.c:perf_event_alloc
  

  In mm/mmap.c (ffffffff8129c221)
  Location: include/linux/atomic-arch-fallback.h:1152
  Inline: True
  Inline callers:
    - mm/mmap.c:mmap_region
  

  In mm/memfd.c (ffffffff8130c2ee)
  Location: include/linux/atomic-arch-fallback.h:1152
  Inline: True
  Inline callers:
    - mm/memfd.c:memfd_fcntl
  

  In fs/exec.c (ffffffff8131c663)
  Location: include/linux/atomic-arch-fallback.h:1152
  Inline: True
  Inline callers:
    - fs/exec.c:do_open_execat
  

  In fs/verity/enable.c (ffffffff813966e6)
  Location: include/linux/atomic-arch-fallback.h:1152
  Inline: True
  Inline callers:
    - fs/verity/enable.c:fsverity_ioctl_enable
  

• In 5.11: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In kernel/events/core.c (0)
  Location: include/linux/atomic-arch-fallback.h:1222
  Inline: True
  Inline callers:
    - kernel/events/core.c:perf_event_alloc
  

  In mm/mmap.c (ffffffff812a7544)
  Location: include/linux/atomic-arch-fallback.h:1222
  Inline: True
  Inline callers:
    - mm/mmap.c:mmap_region
  

  In mm/memfd.c (ffffffff81318232)
  Location: include/linux/atomic-arch-fallback.h:1222
  Inline: True
  Inline callers:
    - mm/memfd.c:memfd_fcntl
  

  In fs/exec.c (ffffffff813281b8)
  Location: include/linux/atomic-arch-fallback.h:1222
  Inline: True
  Inline callers:
    - fs/exec.c:do_open_execat
  

  In fs/kernel_read_file.c (ffffffff81365b62)
  Location: include/linux/atomic-arch-fallback.h:1222
  Inline: True
  Inline callers:
    - fs/kernel_read_file.c:kernel_read_file
  

  In fs/verity/enable.c (ffffffff813a8406)
  Location: include/linux/atomic-arch-fallback.h:1222
  Inline: True
  Inline callers:
    - fs/verity/enable.c:fsverity_ioctl_enable
  

• In 5.13: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In kernel/events/core.c (ffffffff81248c8d)
  Location: include/linux/atomic-arch-fallback.h:1222
  Inline: True
  Inline callers:
    - kernel/events/core.c:perf_event_alloc
  

  In mm/mmap.c (ffffffff812ad27b)
  Location: include/linux/atomic-arch-fallback.h:1222
  Inline: True
  Inline callers:
    - mm/mmap.c:mmap_region
  

  In mm/memfd.c (ffffffff8131e41f)
  Location: include/linux/atomic-arch-fallback.h:1222
  Inline: True
  Inline callers:
    - mm/memfd.c:memfd_fcntl
  

  In fs/exec.c (ffffffff8132e0dc)
  Location: include/linux/atomic-arch-fallback.h:1222
  Inline: True
  Inline callers:
    - fs/exec.c:do_open_execat
  

  In fs/kernel_read_file.c (ffffffff8136c5a2)
  Location: include/linux/atomic-arch-fallback.h:1222
  Inline: True
  Inline callers:
    - fs/kernel_read_file.c:kernel_read_file
  

  In fs/verity/enable.c (ffffffff813af45f)
  Location: include/linux/atomic-arch-fallback.h:1222
  Inline: True
  Inline callers:
    - fs/verity/enable.c:fsverity_ioctl_enable
  

• In 5.15: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In kernel/fork.c (ffffffff810b330f)
  Location: include/linux/atomic/atomic-arch-fallback.h:1222
  Inline: True
  Inline callers:
    - kernel/fork.c:replace_mm_exe_file
    - kernel/fork.c:dup_mmap
  

  In kernel/events/core.c (ffffffff81283a96)
  Location: include/linux/atomic/atomic-arch-fallback.h:1222
  Inline: True
  Inline callers:
    - kernel/events/core.c:perf_event_alloc
  

  In mm/memfd.c (ffffffff8136b7f5)
  Location: include/linux/atomic/atomic-arch-fallback.h:1222
  Inline: True
  Inline callers:
    - mm/memfd.c:memfd_fcntl
  

  In fs/exec.c (ffffffff8137b8cc)
  Location: include/linux/atomic/atomic-arch-fallback.h:1222
  Inline: True
  Inline callers:
    - fs/exec.c:do_open_execat
  

  In fs/kernel_read_file.c (ffffffff813bb272)
  Location: include/linux/atomic/atomic-arch-fallback.h:1222
  Inline: True
  Inline callers:
    - fs/kernel_read_file.c:kernel_read_file
  

  In fs/verity/enable.c (ffffffff813ff00f)
  Location: include/linux/atomic/atomic-arch-fallback.h:1222
  Inline: True
  Inline callers:
    - fs/verity/enable.c:fsverity_ioctl_enable
  

• In 5.19: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In kernel/fork.c (ffffffff810c952f)
  Location: include/linux/atomic/atomic-arch-fallback.h:1306
  Inline: True
  Inline callers:
    - kernel/fork.c:replace_mm_exe_file
    - kernel/fork.c:dup_mmap
  

  In kernel/events/core.c (ffffffff812d6c7d)
  Location: include/linux/atomic/atomic-arch-fallback.h:1306
  Inline: True
  Inline callers:
    - kernel/events/core.c:perf_event_alloc
  

  In mm/memfd.c (ffffffff813e9970)
  Location: include/linux/atomic/atomic-arch-fallback.h:1306
  Inline: True
  Inline callers:
    - mm/memfd.c:memfd_fcntl
  

  In fs/exec.c (ffffffff813fc164)
  Location: include/linux/atomic/atomic-arch-fallback.h:1306
  Inline: True
  Inline callers:
    - fs/exec.c:do_open_execat
  

  In fs/kernel_read_file.c (ffffffff814411dd)
  Location: include/linux/atomic/atomic-arch-fallback.h:1306
  Inline: True
  Inline callers:
    - fs/kernel_read_file.c:kernel_read_file
  

  In fs/verity/enable.c (ffffffff81472baf)
  Location: include/linux/atomic/atomic-arch-fallback.h:1306
  Inline: True
  Inline callers:
    - fs/verity/enable.c:fsverity_ioctl_enable
  

• In 6.2: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In kernel/fork.c (ffffffff810e6a8b)
  Location: include/linux/atomic/atomic-arch-fallback.h:1306
  Inline: True
  Inline callers:
    - kernel/fork.c:replace_mm_exe_file
    - kernel/fork.c:dup_mmap
  

  In kernel/events/core.c (ffffffff8133fa3b)
  Location: include/linux/atomic/atomic-arch-fallback.h:1306
  Inline: True
  Inline callers:
    - kernel/events/core.c:perf_event_alloc
  

  In mm/memfd.c (ffffffff81471990)
  Location: include/linux/atomic/atomic-arch-fallback.h:1306
  Inline: True
  Inline callers:
    - mm/memfd.c:memfd_fcntl
  

  In fs/exec.c (ffffffff81485bd4)
  Location: include/linux/atomic/atomic-arch-fallback.h:1306
  Inline: True
  Inline callers:
    - fs/exec.c:do_open_execat
  

  In fs/kernel_read_file.c (ffffffff814d011e)
  Location: include/linux/atomic/atomic-arch-fallback.h:1306
  Inline: True
  Inline callers:
    - fs/kernel_read_file.c:kernel_read_file
  

  In fs/verity/enable.c (ffffffff81504906)
  Location: include/linux/atomic/atomic-arch-fallback.h:1306
  Inline: True
  Inline callers:
    - fs/verity/enable.c:fsverity_ioctl_enable
  

• In 6.5: Absent ⚠️
• 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