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

Most active threads (last 7 days)

• HOTtoday [PATCH RFC POC 00/50] file: handle files on syscall exit
  2026-09-15 11:34 · 2 replies in 7d · Christian Brauner <brauner@kernel.org>
• WARM1d [PATCH v2 00/40] mm: make VMA flag semantics explicit, eliminate VM_SPECIAL
  2026-09-14 15:12 · 3 replies in 7d · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• WARM1d [PATCH 00/17] Treewide: enforce static storage for object initializers
  2026-09-15 03:13 · 1 reply in 7d · Yury Norov <hidden>

Active reviewers (last 30 days)

• Marc Zyngier <maz@kernel.org>
  1 attestation (1 Acked-by) · last on 2026-09-14
• Claudio Imbrenda <imbrenda@linux.ibm.com>
  1 attestation (1 Acked-by) · last on 2026-09-14
• Anup Patel <anup@brainfault.org>
  1 attestation (1 Acked-by) · last on 2026-09-14
• Juergen Gross <jgross@suse.com>
  1 attestation (1 Acked-by) · last on 2026-08-19

Recent patches

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

• HOTtoday [PATCH RFC POC 20/50] file: warn when the descriptor table is unshared with slots
  2026-09-15 · Christian Brauner <brauner@kernel.org>
• HOTtoday [PATCH RFC POC 01/50] file: install files on syscall exit
  2026-09-15 · Christian Brauner <brauner@kernel.org>
• WARM1d [PATCH 06/17] sched: assert static storage for wait queue and completion declarations
  2026-09-15 · Yury Norov <hidden>
• WARM1d REVIEWED: 11 (11M) [PATCH v2 28/40] mm: rename is_vm_hugetlb_page() to vma_is_hugetlb()
  2026-09-14 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• WARM1d [PATCH v2 27/40] mm: remove hugetlb_inline.h
  2026-09-14 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• WARM1d [PATCH v2 26/40] mm: remove VMA_IO_BIT check in vma[_flags]_is_kernel_owned()
  2026-09-14 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• WARM2d [PATCH 27/39] mm: rename is_vm_hugetlb_page() to vma_is_hugetlb()
  2026-09-08 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• WARM2d [PATCH 26/39] mm: remove hugetlb_inline.h
  2026-09-08 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• WARM2d [PATCH 25/39] mm: remove VMA_IO_BIT check in vma[_flags]_is_kernel_owned()
  2026-09-08 · "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
• COOLING14d REVIEWED: 7 (7M) [PATCH RESEND] sched: Convert paravirt_steal to new static key APIs
  2026-08-19 · Hongyan Xia <hidden>
• COLD56d [PATCH 2/3] sched: Convert paravirt_steal to new static key APIs
  2026-07-20 · Hongyan Xia <hidden>
• STALE110d REVIEWED: 5 (4M) [PATCH] sched/topology: Provide arch_llc_mask for cache aware scheduling
  2026-05-29 · Shrikanth Hegde <sshegde@linux.ibm.com>
• STALE110d REVIEWED: 4 (4M) Re: [BUG] sched/cache: "Make LLC id continuous" causes NULL cpumask dereference in build_sched_domains on POWER9
  2026-05-29 · Shrikanth Hegde <sshegde@linux.ibm.com>
• STALE110d Re: [BUG] sched/cache: "Make LLC id continuous" causes NULL cpumask dereference in build_sched_domains on POWER9
  2026-05-28 · Shrikanth Hegde <sshegde@linux.ibm.com>
• STALE110d Re: [BUG] sched/cache: "Make LLC id continuous" causes NULL cpumask
  2026-05-27 · Shrikanth Hegde <sshegde@linux.ibm.com>
• STALE110d 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>
• STALE97d [PATCH 04/11] treewide: Convert struct kernel_param_ops initializers to DEFINE_KERNEL_PARAM_OPS
  2026-05-21 · Kees Cook <kees@kernel.org>
• STALE106d REVIEWED: 1 (1M) [PATCH 15/15] sched/cputime: Handle dyntick-idle steal time correctly
  2026-05-08 · Frederic Weisbecker <frederic@kernel.org>
• STALE106d REVIEWED: 1 (1M) [PATCH 14/15] sched/cputime: Handle idle irqtime gracefully
  2026-05-08 · Frederic Weisbecker <frederic@kernel.org>
• STALE106d REVIEWED: 1 (1M) [PATCH 13/15] sched/cputime: Provide get_cpu_[idle|iowait]_time_us() off-case
  2026-05-08 · Frederic Weisbecker <frederic@kernel.org>
• STALE106d REVIEWED: 1 (1M) [PATCH 12/15] tick/sched: Consolidate idle time fetching APIs
  2026-05-08 · Frederic Weisbecker <frederic@kernel.org>
• STALE106d REVIEWED: 1 (1M) [PATCH 09/15] tick/sched: Move dyntick-idle cputime accounting to cputime code
  2026-05-08 · Frederic Weisbecker <frederic@kernel.org>
• STALE106d REVIEWED: 1 (1M) [PATCH 07/15] tick/sched: Unify idle cputime accounting
  2026-05-08 · Frederic Weisbecker <frederic@kernel.org>
• STALE106d REVIEWED: 1 (1M) [PATCH 04/15] sched/cputime: Correctly support generic vtime idle time
  2026-05-08 · Frederic Weisbecker <frederic@kernel.org>
• STALE106d REVIEWED: 2 (2M) [PATCH 03/15] sched/cputime: Remove superfluous and error prone kcpustat_field() parameter
  2026-05-08 · Frederic Weisbecker <frederic@kernel.org>
• STALE106d REVIEWED: 20 (20M) [PATCH 02/15] sched/idle: Handle offlining first in idle loop
  2026-05-08 · Frederic Weisbecker <frederic@kernel.org>
• STALE140d REVIEWED: 1 (1M) [PATCH 14/14] sched/cputime: Handle dyntick-idle steal time correctly
  2026-03-31 · Frederic Weisbecker <frederic@kernel.org>
• STALE140d REVIEWED: 1 (1M) [PATCH 13/14] sched/cputime: Handle idle irqtime gracefully
  2026-03-31 · Frederic Weisbecker <frederic@kernel.org>
• STALE140d REVIEWED: 1 (1M) [PATCH 12/14] sched/cputime: Provide get_cpu_[idle|iowait]_time_us() off-case
  2026-03-31 · Frederic Weisbecker <frederic@kernel.org>
• STALE140d REVIEWED: 1 (1M) [PATCH 11/14] tick/sched: Consolidate idle time fetching APIs
  2026-03-31 · 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.

• STALE106d REVIEWED: 1 (1M) [PATCH 15/15] sched/cputime: Handle dyntick-idle steal time correctly
  2026-05-08 · Frederic Weisbecker <frederic@kernel.org> · 1 Tested-by
• STALE110d REVIEWED: 4 (4M) Re: [BUG] sched/cache: "Make LLC id continuous" causes NULL cpumask dereference in build_sched_domains on POWER9
  2026-05-29 · Shrikanth Hegde <sshegde@linux.ibm.com> · 1 Reviewed-by, 1 Tested-by
• STALE110d REVIEWED: 5 (4M) [PATCH] sched/topology: Provide arch_llc_mask for cache aware scheduling
  2026-05-29 · Shrikanth Hegde <sshegde@linux.ibm.com> · 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.

• STALE110d 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>