DepSurf

Function: tcp_wmem_free_skb

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: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In net/ipv4/tcp.c (ffffffff81cee67f)
  Location: include/net/tcp.h:293
  Inline: True
  Inline callers:
    - net/ipv4/tcp.c:tcp_write_queue_purge
    - net/ipv4/tcp.c:tcp_write_queue_purge
    - net/ipv4/tcp.c:tcp_remove_empty_skb
  

  In net/ipv4/tcp_input.c (ffffffff81cf28bd)
  Location: include/net/tcp.h:293
  Inline: True
  Inline callers:
    - net/ipv4/tcp_input.c:tcp_shifted_skb
  

  In net/ipv4/tcp_output.c (ffffffff81d05060)
  Location: include/net/tcp.h:293
  Inline: True
  Inline callers:
    - net/ipv4/tcp_output.c:tcp_send_synack
    - net/ipv4/tcp_output.c:tcp_retrans_try_collapse
    - net/ipv4/tcp_output.c:tcp_mtu_probe
  

• In 6.2: Duplicate, Selective Inline ⚠️

  void tcp_wmem_free_skb(struct sock *sk, struct sk_buff *skb);
  

  Collision: Static Duplication

  Inline: Selective

  Transformation: False

  Instances:

  In net/ipv4/tcp.c (ffffffff81eb192e)
  Location: include/net/tcp.h:295
  Inline: True
  Inline callers:
    - net/ipv4/tcp.c:tcp_write_queue_purge
    - net/ipv4/tcp.c:tcp_write_queue_purge
    - net/ipv4/tcp.c:tcp_remove_empty_skb
  

  In net/ipv4/tcp_input.c (ffffffff81eb6b1d)
  Location: include/net/tcp.h:295
  Inline: True
  Inline callers:
    - net/ipv4/tcp_input.c:tcp_shifted_skb
  

  In net/ipv4/tcp_output.c (ffffffff81eca0b2)
  Location: include/net/tcp.h:295
  Inline: True
  Inline callers:
    - net/ipv4/tcp_output.c:tcp_send_synack
    - net/ipv4/tcp_output.c:tcp_retrans_try_collapse
  Direct callers:
    - net/ipv4/tcp_output.c:tcp_mtu_probe
  

  Symbols:

  ffffffff81ec3d80-ffffffff81ec3e6d: tcp_wmem_free_skb (STB_LOCAL)
  

• In 6.5: Duplicate, Selective Inline ⚠️

  void tcp_wmem_free_skb(struct sock *sk, struct sk_buff *skb);
  

  Collision: Static Duplication

  Inline: Selective

  Transformation: False

  Instances:

  In net/ipv4/tcp.c (ffffffff81f0ff5f)
  Location: include/net/tcp.h:294
  Inline: True
  Inline callers:
    - net/ipv4/tcp.c:tcp_write_queue_purge
    - net/ipv4/tcp.c:tcp_write_queue_purge
    - net/ipv4/tcp.c:tcp_remove_empty_skb
  

  In net/ipv4/tcp_input.c (ffffffff81f14f3d)
  Location: include/net/tcp.h:294
  Inline: True
  Inline callers:
    - net/ipv4/tcp_input.c:tcp_shifted_skb
  

  In net/ipv4/tcp_output.c (ffffffff81f28c02)
  Location: include/net/tcp.h:294
  Inline: True
  Inline callers:
    - net/ipv4/tcp_output.c:tcp_send_synack
    - net/ipv4/tcp_output.c:tcp_retrans_try_collapse
  Direct callers:
    - net/ipv4/tcp_output.c:tcp_mtu_probe
  

  Symbols:

  ffffffff81f22090-ffffffff81f2217d: tcp_wmem_free_skb (STB_LOCAL)
  

• In 6.8: Duplicate, Selective Inline ⚠️

  void tcp_wmem_free_skb(struct sock *sk, struct sk_buff *skb);
  

  Collision: Static Duplication

  Inline: Selective

  Transformation: False

  Instances:

  In net/ipv4/tcp.c (ffffffff81fd415f)
  Location: include/net/tcp.h:305
  Inline: True
  Inline callers:
    - net/ipv4/tcp.c:tcp_write_queue_purge
    - net/ipv4/tcp.c:tcp_write_queue_purge
    - net/ipv4/tcp.c:tcp_remove_empty_skb
  

  In net/ipv4/tcp_input.c (ffffffff81fd947d)
  Location: include/net/tcp.h:305
  Inline: True
  Inline callers:
    - net/ipv4/tcp_input.c:tcp_shifted_skb
  

  In net/ipv4/tcp_output.c (ffffffff81fed6a2)
  Location: include/net/tcp.h:305
  Inline: True
  Inline callers:
    - net/ipv4/tcp_output.c:tcp_send_synack
    - net/ipv4/tcp_output.c:tcp_retrans_try_collapse
  Direct callers:
    - net/ipv4/tcp_output.c:tcp_mtu_probe
  

  Symbols:

  ffffffff81fe5d50-ffffffff81fe5e3d: tcp_wmem_free_skb (STB_LOCAL)
  

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

Regular

• No changes between 6.2 and 6.5 ✅
• No changes between 6.5 and 6.8 ✅