scheduler · Maintained

Maintainers

• M Ingo Molnar <mingo@redhat.com>
• M Peter Zijlstra <peterz@infradead.org>
• M Juri Lelli <juri.lelli@redhat.com>
• M Vincent Guittot <vincent.guittot@linaro.org>
• R Dietmar Eggemann <dietmar.eggemann@arm.com>
• R Steven Rostedt <rostedt@goodmis.org>
• R Ben Segall <bsegall@google.com>
• R Mel Gorman <mgorman@suse.de>
• R Valentin Schneider <vschneid@redhat.com>
• R K Prateek Nayak <kprateek.nayak@amd.com>

Paths

• F include/linux/preempt.h
• F include/linux/sched.h
• F include/linux/wait.h
• F include/uapi/linux/sched.h
• F kernel/fork.c
• F kernel/sched/
• F tools/sched/

Last 30 days

Recent patches

Most-recent 30 patches in this subsystem on linuxppc-dev (capped at 30), ordered by date desc.

• COLD42d REVIEWED: 4 (3M) [PATCH] sched/topology: Provide arch_llc_mask for cache aware scheduling
  2026-05-29 · Shrikanth Hegde <hidden>
• COLD42d REVIEWED: 3 (3M) Re: [BUG] sched/cache: "Make LLC id continuous" causes NULL cpumask dereference in build_sched_domains on POWER9
  2026-05-29 · Shrikanth Hegde <hidden>
• COLD42d Re: [BUG] sched/cache: "Make LLC id continuous" causes NULL cpumask dereference in build_sched_domains on POWER9
  2026-05-28 · Shrikanth Hegde <hidden>
• COLD42d Re: [BUG] sched/cache: "Make LLC id continuous" causes NULL cpumask
  2026-05-27 · Shrikanth Hegde <hidden>
• COLD42d Re: [BUG] sched/cache: "Make LLC id continuous" causes NULL cpumask dereference in build_sched_domains on POWER9
  2026-05-26 · "Chen, Yu C" <yu.c.chen@intel.com>
• COLD30d [PATCH 04/11] treewide: Convert struct kernel_param_ops initializers to DEFINE_KERNEL_PARAM_OPS
  2026-05-21 · Kees Cook <kees@kernel.org>
• COLD38d REVIEWED: 1 (0M) [PATCH 15/15] sched/cputime: Handle dyntick-idle steal time correctly
  2026-05-08 · Frederic Weisbecker <frederic@kernel.org>
• COLD38d REVIEWED: 1 (0M) [PATCH 14/15] sched/cputime: Handle idle irqtime gracefully
  2026-05-08 · Frederic Weisbecker <frederic@kernel.org>
• COLD38d REVIEWED: 1 (0M) [PATCH 13/15] sched/cputime: Provide get_cpu_[idle|iowait]_time_us() off-case
  2026-05-08 · Frederic Weisbecker <frederic@kernel.org>
• COLD38d REVIEWED: 1 (0M) [PATCH 12/15] tick/sched: Consolidate idle time fetching APIs
  2026-05-08 · Frederic Weisbecker <frederic@kernel.org>
• COLD38d REVIEWED: 1 (0M) [PATCH 09/15] tick/sched: Move dyntick-idle cputime accounting to cputime code
  2026-05-08 · Frederic Weisbecker <frederic@kernel.org>
• COLD38d REVIEWED: 1 (0M) [PATCH 07/15] tick/sched: Unify idle cputime accounting
  2026-05-08 · Frederic Weisbecker <frederic@kernel.org>
• COLD38d REVIEWED: 1 (0M) [PATCH 04/15] sched/cputime: Correctly support generic vtime idle time
  2026-05-08 · Frederic Weisbecker <frederic@kernel.org>
• COLD38d REVIEWED: 2 (0M) [PATCH 03/15] sched/cputime: Remove superfluous and error prone kcpustat_field() parameter
  2026-05-08 · Frederic Weisbecker <frederic@kernel.org>
• COLD38d REVIEWED: 20 (18M) [PATCH 02/15] sched/idle: Handle offlining first in idle loop
  2026-05-08 · Frederic Weisbecker <frederic@kernel.org>
• STALE72d REVIEWED: 1 (0M) [PATCH 14/14] sched/cputime: Handle dyntick-idle steal time correctly
  2026-03-31 · Frederic Weisbecker <frederic@kernel.org>
• STALE72d REVIEWED: 1 (0M) [PATCH 13/14] sched/cputime: Handle idle irqtime gracefully
  2026-03-31 · Frederic Weisbecker <frederic@kernel.org>
• STALE72d REVIEWED: 1 (0M) [PATCH 12/14] sched/cputime: Provide get_cpu_[idle|iowait]_time_us() off-case
  2026-03-31 · Frederic Weisbecker <frederic@kernel.org>
• STALE72d REVIEWED: 1 (0M) [PATCH 11/14] tick/sched: Consolidate idle time fetching APIs
  2026-03-31 · Frederic Weisbecker <frederic@kernel.org>
• STALE72d REVIEWED: 1 (0M) [PATCH 08/14] tick/sched: Move dyntick-idle cputime accounting to cputime code
  2026-03-31 · Frederic Weisbecker <frederic@kernel.org>
• STALE72d REVIEWED: 1 (0M) [PATCH 06/14] tick/sched: Unify idle cputime accounting
  2026-03-31 · Frederic Weisbecker <frederic@kernel.org>
• STALE72d REVIEWED: 1 (0M) [PATCH 03/14] sched/cputime: Correctly support generic vtime idle time
  2026-03-31 · Frederic Weisbecker <frederic@kernel.org>
• STALE72d REVIEWED: 2 (0M) [PATCH 02/14] sched/cputime: Remove superfluous and error prone kcpustat_field() parameter
  2026-03-31 · Frederic Weisbecker <frederic@kernel.org>
• STALE72d REVIEWED: 2 (0M) [PATCH 01/14] sched/idle: Handle offlining first in idle loop
  2026-03-31 · Frederic Weisbecker <frederic@kernel.org>
• STALE71d REVIEWED: 7 (7M) [PATCH v5 2/2] randomize_kstack: Unify random source across arches
  2026-03-03 · Ryan Roberts <ryan.roberts@arm.com>
• STALE71d REVIEWED: 7 (7M) [PATCH v5 1/2] randomize_kstack: Maintain kstack_offset per task
  2026-03-03 · Ryan Roberts <ryan.roberts@arm.com>
• STALE108d Re: [PATCH 00/15 v2] tick/sched: Refactor idle cputime accounting
  2026-02-11 · Frederic Weisbecker <frederic@kernel.org>
• STALE108d [PATCH 15/15] sched/cputime: Handle dyntick-idle steal time correctly
  2026-02-06 · Frederic Weisbecker <frederic@kernel.org>
• STALE108d [PATCH 14/15] sched/cputime: Handle idle irqtime gracefully
  2026-02-06 · Frederic Weisbecker <frederic@kernel.org>
• STALE108d [PATCH 13/15] sched/cputime: Provide get_cpu_[idle|iowait]_time_us() off-case
  2026-02-06 · Frederic Weisbecker <frederic@kernel.org>

Needs attention (review trailers in, no pickup)

Patches with review trailers that haven't landed in mainline and haven't been Acked by a maintainer. Oldest first.

• COLD38d REVIEWED: 1 (0M) [PATCH 15/15] sched/cputime: Handle dyntick-idle steal time correctly
  2026-05-08 · Frederic Weisbecker <frederic@kernel.org> · 1 Tested-by
• COLD42d REVIEWED: 3 (3M) Re: [BUG] sched/cache: "Make LLC id continuous" causes NULL cpumask dereference in build_sched_domains on POWER9
  2026-05-29 · Shrikanth Hegde <hidden> · 1 Reviewed-by, 1 Tested-by
• COLD42d REVIEWED: 4 (3M) [PATCH] sched/topology: Provide arch_llc_mask for cache aware scheduling
  2026-05-29 · Shrikanth Hegde <hidden> · 1 Reviewed-by, 2 Tested-by

Quiet for 30+ days

Patches with no review trailers and no replies. Either the author is heads-down elsewhere or these slipped through. Oldest first.

• STALE189d [PATCH v2 1/3] randomize_kstack: Maintain kstack_offset per task
  2025-12-15 · Ryan Roberts <ryan.roberts@arm.com>
• STALE135d [PATCH 02/15] sched/cputime: Remove superfluous and error prone kcpustat_field() parameter
  2026-01-16 · Frederic Weisbecker <frederic@kernel.org>
• STALE135d [PATCH 12/15] tick/sched: Consolidate idle time fetching APIs
  2026-01-16 · Frederic Weisbecker <frederic@kernel.org>
• STALE135d [PATCH 13/15] sched/cputime: Consolidate get_cpu_[idle|iowait]_time_us()
  2026-01-16 · Frederic Weisbecker <frederic@kernel.org>
• STALE135d [PATCH 14/15] sched/cputime: Handle idle irqtime gracefully
  2026-01-16 · Frederic Weisbecker <frederic@kernel.org>
• STALE135d [PATCH 15/15] sched/cputime: Handle dyntick-idle steal time correctly
  2026-01-16 · Frederic Weisbecker <frederic@kernel.org>
• STALE108d [PATCH 03/15] sched/cputime: Correctly support generic vtime idle time
  2026-02-06 · Frederic Weisbecker <frederic@kernel.org>
• STALE108d [PATCH 09/15] tick/sched: Move dyntick-idle cputime accounting to cputime code
  2026-02-06 · Frederic Weisbecker <frederic@kernel.org>
• STALE108d [PATCH 13/15] sched/cputime: Provide get_cpu_[idle|iowait]_time_us() off-case
  2026-02-06 · Frederic Weisbecker <frederic@kernel.org>
• COLD42d Re: [BUG] sched/cache: "Make LLC id continuous" causes NULL cpumask dereference in build_sched_domains on POWER9
  2026-05-26 · "Chen, Yu C" <yu.c.chen@intel.com>