website-function

Function: kthread_is_per_cpu

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: ✅

  bool kthread_is_per_cpu(struct task_struct *k);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/kthread.c (ffffffff810cc200)
  Location: kernel/kthread.c:529
  Inline: False
  Direct callers:
    - kernel/sched/core.c:balance_push
    - kernel/sched/core.c:wake_up_new_task
    - kernel/sched/core.c:try_to_wake_up
    - kernel/sched/core.c:select_fallback_rq
  

  Symbols:

  ffffffff810cc200-ffffffff810cc22b: kthread_is_per_cpu (STB_GLOBAL)
  

• In 5.13: ✅

  bool kthread_is_per_cpu(struct task_struct *p);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/kthread.c (ffffffff810cdce0)
  Location: kernel/kthread.c:556
  Inline: False
  Direct callers:
    - kernel/sched/core.c:balance_push
    - kernel/sched/core.c:is_cpu_allowed
  

  Symbols:

  ffffffff810cdce0-ffffffff810cdd05: kthread_is_per_cpu (STB_GLOBAL)
  

• In 5.15: ✅

  bool kthread_is_per_cpu(struct task_struct *p);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/kthread.c (ffffffff810e0f30)
  Location: kernel/kthread.c:556
  Inline: False
  Direct callers:
    - kernel/sched/core.c:balance_push
    - kernel/sched/core.c:select_fallback_rq
  

  Symbols:

  ffffffff810e0f30-ffffffff810e0f55: kthread_is_per_cpu (STB_GLOBAL)
  

• In 5.19: ✅

  bool kthread_is_per_cpu(struct task_struct *p);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/kthread.c (ffffffff810fb300)
  Location: kernel/kthread.c:616
  Inline: False
  Direct callers:
    - kernel/sched/core.c:balance_push
    - kernel/sched/core.c:__balance_push_cpu_stop
    - kernel/sched/core.c:try_steal_cookie
    - kernel/sched/core.c:wake_up_new_task
    - kernel/sched/core.c:try_to_wake_up
    - kernel/sched/core.c:select_fallback_rq
    - kernel/sched/core.c:select_fallback_rq
    - kernel/sched/core.c:migration_cpu_stop
    - kernel/sched/fair.c:can_migrate_task
  

  Symbols:

  ffffffff810fb300-ffffffff810fb32d: kthread_is_per_cpu (STB_GLOBAL)
  

• In 6.2: ✅

  bool kthread_is_per_cpu(struct task_struct *p);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/kthread.c (ffffffff8111e220)
  Location: kernel/kthread.c:616
  Inline: False
  Direct callers:
    - kernel/sched/core.c:balance_push
    - kernel/sched/core.c:__balance_push_cpu_stop
    - kernel/sched/core.c:try_steal_cookie
    - kernel/sched/core.c:wake_up_new_task
    - kernel/sched/core.c:try_to_wake_up
    - kernel/sched/core.c:select_fallback_rq
    - kernel/sched/core.c:select_fallback_rq
    - kernel/sched/core.c:migration_cpu_stop
    - kernel/sched/fair.c:can_migrate_task
    - kernel/cgroup/cpuset.c:update_tasks_cpumask
  

  Symbols:

  ffffffff8111e220-ffffffff8111e24d: kthread_is_per_cpu (STB_GLOBAL)
  

• In 6.5: ✅

  bool kthread_is_per_cpu(struct task_struct *p);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/kthread.c (ffffffff8112b480)
  Location: kernel/kthread.c:617
  Inline: False
  Direct callers:
    - kernel/sched/core.c:balance_push
    - kernel/sched/core.c:__balance_push_cpu_stop
    - kernel/sched/core.c:try_steal_cookie
    - kernel/sched/core.c:wake_up_new_task
    - kernel/sched/core.c:try_to_wake_up
    - kernel/sched/core.c:select_fallback_rq
    - kernel/sched/core.c:select_fallback_rq
    - kernel/sched/core.c:migration_cpu_stop
    - kernel/sched/fair.c:can_migrate_task
    - kernel/cgroup/cpuset.c:update_tasks_cpumask
  

  Symbols:

  ffffffff8112b480-ffffffff8112b4ad: kthread_is_per_cpu (STB_GLOBAL)
  

• In 6.8: ✅

  bool kthread_is_per_cpu(struct task_struct *p);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/kthread.c (ffffffff81135bd0)
  Location: kernel/kthread.c:616
  Inline: False
  Direct callers:
    - kernel/sched/core.c:balance_push
    - kernel/sched/core.c:__balance_push_cpu_stop
    - kernel/sched/core.c:try_steal_cookie
    - kernel/sched/core.c:wake_up_new_task
    - kernel/sched/core.c:try_to_wake_up
    - kernel/sched/core.c:select_fallback_rq
    - kernel/sched/core.c:select_fallback_rq
    - kernel/sched/core.c:migration_cpu_stop
    - kernel/sched/fair.c:can_migrate_task
    - kernel/cgroup/cpuset.c:update_tasks_cpumask
  

  Symbols:

  ffffffff81135bd0-ffffffff81135bfd: kthread_is_per_cpu (STB_GLOBAL)
  

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

• Changed between 5.11 and 5.13 ⚠️

  • Param added. struct task_struct *p
  • Param removed. struct task_struct *k
• 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 ✅
• No changes between 6.5 and 6.8 ✅