DepSurf

Function: ring_buffer_alloc_read_page

Status

Regular

• In 4.4: ✅

  void *ring_buffer_alloc_read_page(struct ring_buffer *buffer, int cpu);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/trace/ring_buffer.c (ffffffff811468e0)
  Location: kernel/trace/ring_buffer.c:4413
  Inline: False
  Direct callers:
    - kernel/trace/trace.c:tracing_buffers_splice_read
    - kernel/trace/trace.c:tracing_buffers_read
  

  Symbols:

  ffffffff811468e0-ffffffff8114695b: ring_buffer_alloc_read_page (STB_GLOBAL)
  

• In 4.8: ✅

  void *ring_buffer_alloc_read_page(struct ring_buffer *buffer, int cpu);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/trace/ring_buffer.c (ffffffff8114f130)
  Location: kernel/trace/ring_buffer.c:4408
  Inline: False
  Direct callers:
    - kernel/trace/trace.c:tracing_buffers_splice_read
    - kernel/trace/trace.c:tracing_buffers_read
  

  Symbols:

  ffffffff8114f130-ffffffff8114f1a5: ring_buffer_alloc_read_page (STB_GLOBAL)
  

• In 4.10: ✅

  void *ring_buffer_alloc_read_page(struct ring_buffer *buffer, int cpu);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/trace/ring_buffer.c (ffffffff811592d0)
  Location: kernel/trace/ring_buffer.c:4377
  Inline: False
  Direct callers:
    - kernel/trace/trace.c:tracing_buffers_splice_read
    - kernel/trace/trace.c:tracing_buffers_read
  

  Symbols:

  ffffffff811592d0-ffffffff8115933f: ring_buffer_alloc_read_page (STB_GLOBAL)
  

• In 4.13: Selective Inline ⚠️

  void *ring_buffer_alloc_read_page(struct ring_buffer *buffer, int cpu);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In kernel/trace/ring_buffer.c (ffffffff8115ef40)
  Location: kernel/trace/ring_buffer.c:4391
  Inline: True
  Direct callers:
    - kernel/trace/trace.c:tracing_buffers_splice_read
    - kernel/trace/trace.c:tracing_buffers_read
  

  Symbols:

  ffffffff8115ef40-ffffffff8115f038: ring_buffer_alloc_read_page (STB_GLOBAL)
  

• In 4.15: Selective Inline ⚠️

  void *ring_buffer_alloc_read_page(struct ring_buffer *buffer, int cpu);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In kernel/trace/ring_buffer.c (ffffffff8116ba30)
  Location: kernel/trace/ring_buffer.c:4383
  Inline: True
  Direct callers:
    - kernel/trace/trace.c:tracing_buffers_splice_read
    - kernel/trace/trace.c:tracing_buffers_read
  

  Symbols:

  ffffffff8116ba30-ffffffff8116bb34: ring_buffer_alloc_read_page (STB_GLOBAL)
  

• In 4.18: Selective Inline ⚠️

  void *ring_buffer_alloc_read_page(struct ring_buffer *buffer, int cpu);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In kernel/trace/ring_buffer.c (ffffffff8117aea0)
  Location: kernel/trace/ring_buffer.c:4545
  Inline: True
  Direct callers:
    - kernel/trace/trace.c:tracing_buffers_splice_read
    - kernel/trace/trace.c:tracing_buffers_read
  

  Symbols:

  ffffffff8117aea0-ffffffff8117afab: ring_buffer_alloc_read_page (STB_GLOBAL)
  

• In 5.0: Selective Inline ⚠️

  void *ring_buffer_alloc_read_page(struct ring_buffer *buffer, int cpu);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In kernel/trace/ring_buffer.c (ffffffff811879c0)
  Location: kernel/trace/ring_buffer.c:4614
  Inline: True
  Direct callers:
    - kernel/trace/trace.c:tracing_buffers_splice_read
    - kernel/trace/trace.c:tracing_buffers_read
  

  Symbols:

  ffffffff811879c0-ffffffff81187ac4: ring_buffer_alloc_read_page (STB_GLOBAL)
  

• In 5.3: Selective Inline ⚠️

  void *ring_buffer_alloc_read_page(struct ring_buffer *buffer, int cpu);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In kernel/trace/ring_buffer.c (ffffffff81195010)
  Location: kernel/trace/ring_buffer.c:4592
  Inline: True
  Direct callers:
    - kernel/trace/trace.c:tracing_buffers_splice_read
    - kernel/trace/trace.c:tracing_buffers_read
  

  Symbols:

  ffffffff81195010-ffffffff8119510f: ring_buffer_alloc_read_page (STB_GLOBAL)
  

• In 5.4: Selective Inline ⚠️

  void *ring_buffer_alloc_read_page(struct ring_buffer *buffer, int cpu);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In kernel/trace/ring_buffer.c (ffffffff811a0ad0)
  Location: kernel/trace/ring_buffer.c:4593
  Inline: True
  Direct callers:
    - kernel/trace/trace.c:tracing_buffers_splice_read
    - kernel/trace/trace.c:tracing_buffers_read
  

  Symbols:

  ffffffff811a0ad0-ffffffff811a0bcf: ring_buffer_alloc_read_page (STB_GLOBAL)
  

• In 5.8: Selective Inline, Transformation ⚠️

  void *ring_buffer_alloc_read_page(struct trace_buffer *buffer, int cpu);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: True

  Instances:

  In kernel/trace/ring_buffer.c (ffffffff811b7370)
  Location: kernel/trace/ring_buffer.c:4685
  Inline: True
  Direct callers:
    - kernel/trace/trace.c:tracing_buffers_splice_read
    - kernel/trace/trace.c:tracing_buffers_read
  

  Symbols:

  ffffffff811b7370-ffffffff811b744f: ring_buffer_alloc_read_page.part.0.isra.0 (STB_LOCAL)
  ffffffff811b7450-ffffffff811b7473: ring_buffer_alloc_read_page (STB_GLOBAL)
  

• In 5.11: Selective Inline, Transformation ⚠️

  void *ring_buffer_alloc_read_page(struct trace_buffer *buffer, int cpu);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: True

  Instances:

  In kernel/trace/ring_buffer.c (ffffffff811b4f30)
  Location: kernel/trace/ring_buffer.c:5295
  Inline: True
  Direct callers:
    - kernel/trace/trace.c:tracing_buffers_splice_read
    - kernel/trace/trace.c:tracing_buffers_read
  

  Symbols:

  ffffffff811b4f30-ffffffff811b500f: ring_buffer_alloc_read_page.part.0.isra.0 (STB_LOCAL)
  ffffffff811b5010-ffffffff811b5033: ring_buffer_alloc_read_page (STB_GLOBAL)
  

• In 5.13: Selective Inline ⚠️

  void *ring_buffer_alloc_read_page(struct trace_buffer *buffer, int cpu);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In kernel/trace/ring_buffer.c (ffffffff811b7380)
  Location: kernel/trace/ring_buffer.c:5404
  Inline: True
  Direct callers:
    - kernel/trace/trace.c:tracing_buffers_splice_read
    - kernel/trace/trace.c:tracing_buffers_read
  

  Symbols:

  ffffffff811b7380-ffffffff811b7488: ring_buffer_alloc_read_page (STB_GLOBAL)
  

• In 5.15: Selective Inline ⚠️

  void *ring_buffer_alloc_read_page(struct trace_buffer *buffer, int cpu);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In kernel/trace/ring_buffer.c (ffffffff811e1560)
  Location: kernel/trace/ring_buffer.c:5409
  Inline: True
  Direct callers:
    - kernel/trace/trace.c:tracing_buffers_splice_read
    - kernel/trace/trace.c:tracing_buffers_read
  

  Symbols:

  ffffffff811e1560-ffffffff811e1686: ring_buffer_alloc_read_page (STB_GLOBAL)
  

• In 5.19: Selective Inline, Transformation ⚠️

  void *ring_buffer_alloc_read_page(struct trace_buffer *buffer, int cpu);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: True

  Instances:

  In kernel/trace/ring_buffer.c (ffffffff81217530)
  Location: kernel/trace/ring_buffer.c:5451
  Inline: True
  Direct callers:
    - kernel/trace/trace.c:tracing_buffers_splice_read
    - kernel/trace/trace.c:tracing_buffers_read
  

  Symbols:

  ffffffff81217530-ffffffff81217645: ring_buffer_alloc_read_page.part.0.isra.0 (STB_LOCAL)
  ffffffff81217650-ffffffff81217687: ring_buffer_alloc_read_page (STB_GLOBAL)
  

• In 6.2: Selective Inline, Transformation ⚠️

  void *ring_buffer_alloc_read_page(struct trace_buffer *buffer, int cpu);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: True

  Instances:

  In kernel/trace/ring_buffer.c (ffffffff81260990)
  Location: kernel/trace/ring_buffer.c:5558
  Inline: True
  Direct callers:
    - kernel/trace/trace.c:tracing_buffers_splice_read
    - kernel/trace/trace.c:tracing_buffers_read
  

  Symbols:

  ffffffff81260990-ffffffff81260aab: ring_buffer_alloc_read_page.part.0.isra.0 (STB_LOCAL)
  ffffffff81260ac0-ffffffff81260af7: ring_buffer_alloc_read_page (STB_GLOBAL)
  

• In 6.5: Selective Inline, Transformation ⚠️

  void *ring_buffer_alloc_read_page(struct trace_buffer *buffer, int cpu);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: True

  Instances:

  In kernel/trace/ring_buffer.c (ffffffff81277a20)
  Location: kernel/trace/ring_buffer.c:5590
  Inline: True
  Direct callers:
    - kernel/trace/trace.c:tracing_buffers_splice_read
    - kernel/trace/trace.c:tracing_buffers_read
  

  Symbols:

  ffffffff81277a20-ffffffff81277b3b: ring_buffer_alloc_read_page.part.0.isra.0 (STB_LOCAL)
  ffffffff81277b50-ffffffff81277b87: ring_buffer_alloc_read_page (STB_GLOBAL)
  

• In 6.8: Selective Inline, Transformation ⚠️

  struct buffer_data_read_page *ring_buffer_alloc_read_page(struct trace_buffer *buffer, int cpu);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: True

  Instances:

  In kernel/trace/ring_buffer.c (ffffffff81292470)
  Location: kernel/trace/ring_buffer.c:5511
  Inline: True
  Direct callers:
    - kernel/trace/trace.c:tracing_buffers_splice_read
    - kernel/trace/trace.c:tracing_buffers_read
  

  Symbols:

  ffffffff81292470-ffffffff81292618: ring_buffer_alloc_read_page.part.0 (STB_LOCAL)
  ffffffff81292630-ffffffff81292663: ring_buffer_alloc_read_page (STB_GLOBAL)
  

Arch

• In arm64: Selective Inline ⚠️

  void *ring_buffer_alloc_read_page(struct ring_buffer *buffer, int cpu);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In kernel/trace/ring_buffer.c (ffff800010217cb8)
  Location: kernel/trace/ring_buffer.c:4593
  Inline: True
  Direct callers:
    - kernel/trace/trace.c:tracing_buffers_splice_read
    - kernel/trace/trace.c:tracing_buffers_read
  

  Symbols:

  ffff800010217cb8-ffff800010217e00: ring_buffer_alloc_read_page (STB_GLOBAL)
  

• In armhf: Selective Inline ⚠️

  void *ring_buffer_alloc_read_page(struct ring_buffer *buffer, int cpu);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In kernel/trace/ring_buffer.c (c0458464)
  Location: kernel/trace/ring_buffer.c:4593
  Inline: True
  Direct callers:
    - kernel/trace/trace.c:tracing_buffers_splice_read
    - kernel/trace/trace.c:tracing_buffers_read
  

  Symbols:

  c0458464-c0458564: ring_buffer_alloc_read_page (STB_GLOBAL)
  

• In ppc64el: Selective Inline ⚠️

  void *ring_buffer_alloc_read_page(struct ring_buffer *buffer, int cpu);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In kernel/trace/ring_buffer.c (c00000000029e410)
  Location: kernel/trace/ring_buffer.c:4593
  Inline: True
  Direct callers:
    - kernel/trace/trace.c:tracing_buffers_splice_read
    - kernel/trace/trace.c:tracing_buffers_read
  

  Symbols:

  c00000000029e410-c00000000029e640: ring_buffer_alloc_read_page (STB_GLOBAL)
  

• In riscv64: Selective Inline ⚠️

  void *ring_buffer_alloc_read_page(struct ring_buffer *buffer, int cpu);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In kernel/trace/ring_buffer.c (ffffffe00017789a)
  Location: kernel/trace/ring_buffer.c:4593
  Inline: True
  Direct callers:
    - kernel/trace/trace.c:tracing_buffers_splice_read
    - kernel/trace/trace.c:tracing_buffers_read
  

  Symbols:

  ffffffe00017789a-ffffffe000177950: ring_buffer_alloc_read_page (STB_GLOBAL)
  

Flavor

• In aws: Selective Inline ⚠️

  void *ring_buffer_alloc_read_page(struct ring_buffer *buffer, int cpu);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In kernel/trace/ring_buffer.c (ffffffff811990f0)
  Location: kernel/trace/ring_buffer.c:4593
  Inline: True
  Direct callers:
    - kernel/trace/trace.c:tracing_buffers_splice_read
    - kernel/trace/trace.c:tracing_buffers_read
  

  Symbols:

  ffffffff811990f0-ffffffff811991ef: ring_buffer_alloc_read_page (STB_GLOBAL)
  

• In azure: Selective Inline ⚠️

  void *ring_buffer_alloc_read_page(struct ring_buffer *buffer, int cpu);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In kernel/trace/ring_buffer.c (ffffffff8118a9a0)
  Location: kernel/trace/ring_buffer.c:4593
  Inline: True
  Direct callers:
    - kernel/trace/trace.c:tracing_buffers_splice_read
    - kernel/trace/trace.c:tracing_buffers_read
  

  Symbols:

  ffffffff8118a9a0-ffffffff8118aa8a: ring_buffer_alloc_read_page (STB_GLOBAL)
  

• In gcp: Selective Inline ⚠️

  void *ring_buffer_alloc_read_page(struct ring_buffer *buffer, int cpu);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In kernel/trace/ring_buffer.c (ffffffff81196ec0)
  Location: kernel/trace/ring_buffer.c:4593
  Inline: True
  Direct callers:
    - kernel/trace/trace.c:tracing_buffers_splice_read
    - kernel/trace/trace.c:tracing_buffers_read
  

  Symbols:

  ffffffff81196ec0-ffffffff81196fbf: ring_buffer_alloc_read_page (STB_GLOBAL)
  

• In lowlatency: Selective Inline ⚠️

  void *ring_buffer_alloc_read_page(struct ring_buffer *buffer, int cpu);
  

  Collision: Unique Global

  Inline: Selective

  Transformation: False

  Instances:

  In kernel/trace/ring_buffer.c (ffffffff811a4ad0)
  Location: kernel/trace/ring_buffer.c:4593
  Inline: True
  Direct callers:
    - kernel/trace/trace.c:tracing_buffers_splice_read
    - kernel/trace/trace.c:tracing_buffers_read
  

  Symbols:

  ffffffff811a4ad0-ffffffff811a4bcf: ring_buffer_alloc_read_page (STB_GLOBAL)
  

Differences

Regular

• No changes between 4.4 and 4.8 ✅
• No changes between 4.8 and 4.10 ✅
• No changes between 4.10 and 4.13 ✅
• No changes between 4.13 and 4.15 ✅
• No changes between 4.15 and 4.18 ✅
• No changes between 4.18 and 5.0 ✅
• No changes between 5.0 and 5.3 ✅
• No changes between 5.3 and 5.4 ✅
• Changed between 5.4 and 5.8 ⚠️

  • Param type changed. struct ring_buffer *buffer ➡️ struct trace_buffer *buffer
• No changes between 5.8 and 5.11 ✅
• No changes between 5.11 and 5.13 ✅
• No changes between 5.13 and 5.15 ✅
• No changes between 5.15 and 5.19 ✅
• No changes between 5.19 and 6.2 ✅
• No changes between 6.2 and 6.5 ✅
• Changed between 6.5 and 6.8 ⚠️

  • Return type changed. void * ➡️ struct buffer_data_read_page *

Arch

• No changes between amd64 and arm64 ✅
• No changes between amd64 and armhf ✅
• No changes between amd64 and ppc64el ✅
• No changes between amd64 and riscv64 ✅

Flavor

• No changes between generic and aws ✅
• No changes between generic and azure ✅
• No changes between generic and gcp ✅
• No changes between generic and lowlatency ✅