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 v2 0/2] sched: Enable preferred SMT siblings on NVIDIA Olympus
  2026-09-07 03:58 · 2 replies in 7d · Andrea Righi <arighi@nvidia.com>
• WARM3d [PATCH 0/2] sched: Enable preferred SMT siblings on NVIDIA Olympus
  2026-09-01 06:06 · 2 replies in 7d · Andrea Righi <arighi@nvidia.com>
• COOLING6d [RFC 00/10] Reclaimable kernel stacks
  2026-09-01 12:32 · 1 reply in 7d · David Stevens <hidden>

Active reviewers (last 30 days)

• 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 linux-arm-kernel (capped at 30), ordered by date desc.

• HOTtoday Re: [PATCH 2/2] sched/fair: Honor asymmetric SMT priority in idle selection
  2026-09-07 · K Prateek Nayak <kprateek.nayak@amd.com>
• HOTtoday [PATCH 2/2] sched/fair: Honor asymmetric SMT priority in idle selection
  2026-09-04 · Andrea Righi <arighi@nvidia.com>
• DORMANTno replies Re: [RFC 06/10] Reclaim memory from blocked kernel stacks
  2026-09-01 · Peter Zijlstra <peterz@infradead.org>
• WARM3d Re: [PATCH 1/2] arm64: topology: Prefer PE0 on NVIDIA Olympus SMT cores
  2026-09-01 · Andrea Righi <arighi@nvidia.com>
• WARM3d [PATCH 2/2] sched/fair: Honor asymmetric SMT priority in idle selection
  2026-08-31 · Andrea Righi <arighi@nvidia.com>
• COOLING6d [RFC 07/10] Reclaim stacks via a shrinker
  2026-08-27 · David Stevens <hidden>
• COOLING6d [RFC 05/10] fork: allocate reclaimable stacks with VM_SPARSE
  2026-08-27 · David Stevens <hidden>
• COOLING6d [RFC 06/10] Reclaim memory from blocked kernel stacks
  2026-08-27 · David Stevens <hidden>
• COOLING6d [RFC 03/10] fork: refactor vmap stack alloc/free into helpers
  2026-08-27 · David Stevens <hidden>
• COOLING5d REVIEWED: 7 (7M) [PATCH RESEND] sched: Convert paravirt_steal to new static key APIs
  2026-08-19 · Hongyan Xia <hidden>
• COLD47d [PATCH 2/3] sched: Convert paravirt_steal to new static key APIs
  2026-07-20 · Hongyan Xia <hidden>
• STALE83d REVIEWED: 1 (1M) [PATCH 7/8] sched_ext: Sub-allocator over kernel-claimed BPF arena pages
  2026-05-22 · Tejun Heo <tj@kernel.org>
• STALE83d REVIEWED: 1 (1M) [PATCH 8/8] sched_ext: Convert ops.set_cmask() to arena-resident cmask
  2026-05-22 · Tejun Heo <tj@kernel.org>
• STALE83d [PATCH 6/8] sched_ext: Require an arena for cid-form schedulers
  2026-05-22 · Tejun Heo <tj@kernel.org>
• STALE108d [PATCH 8/8] sched_ext: Convert ops.set_cmask() to arena-resident cmask
  2026-05-20 · Tejun Heo <tj@kernel.org>
• STALE108d [PATCH 7/8] sched_ext: Sub-allocator over kernel-claimed BPF arena pages
  2026-05-20 · Tejun Heo <tj@kernel.org>
• STALE108d [PATCH 6/8] sched_ext: Require an arena for cid-form schedulers
  2026-05-20 · Tejun Heo <tj@kernel.org>
• STALE105d [PATCH 8/8] sched_ext: Convert ops.set_cmask() to arena-resident cmask
  2026-05-17 · Tejun Heo <tj@kernel.org>
• STALE105d [PATCH 7/8] sched_ext: Sub-allocator over kernel-claimed BPF arena pages
  2026-05-17 · Tejun Heo <tj@kernel.org>
• STALE105d [PATCH 6/8] sched_ext: Require an arena for cid-form schedulers
  2026-05-17 · Tejun Heo <tj@kernel.org>
• STALE132d Re: [REGRESSION] rseq: refactoring in v6.19 broke everyone on arm64 and tcmalloc everywhere
  2026-04-24 · Peter Zijlstra <peterz@infradead.org>
• STALE144d REVIEWED: 3 (1M) [PATCH 3/4] mm: synchronize saved_auxv access with arg_lock
  2026-03-23 · Andrei Vagin <hidden>
• STALE144d REVIEWED: 2 (0M) [PATCH 1/4] exec: inherit HWCAPs from the parent process
  2026-03-23 · Andrei Vagin <hidden>
• STALE178d [PATCH] static_call: use CFI-compliant return0 stubs
  2026-03-11 · Carlos Llamas <cmllamas@google.com>
• STALE130d REVIEWED: 8 (8M) [PATCH v5 2/2] randomize_kstack: Unify random source across arches
  2026-03-03 · Ryan Roberts <ryan.roberts@arm.com>
• STALE130d REVIEWED: 8 (8M) [PATCH v5 1/2] randomize_kstack: Maintain kstack_offset per task
  2026-03-03 · Ryan Roberts <ryan.roberts@arm.com>
• STALE196d Re: [PATCH] arm64: remove HAVE_CMPXCHG_LOCAL
  2026-02-17 · Catalin Marinas <catalin.marinas@arm.com>
• STALE195d [PATCH v2 RESEND] sched: fix incorrect schedstats for rt and dl thread
  2026-02-04 · Dengjun Su <hidden>
• STALE221d REVIEWED: 2 (2M) [PATCH 30/33] kthread: Honour kthreads preferred affinity after cpuset changes
  2026-01-25 · Frederic Weisbecker <frederic@kernel.org>
• STALE221d [PATCH 19/33] cpuset: Propagate cpuset isolation update to timers through housekeeping
  2026-01-25 · 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.

• STALE83d REVIEWED: 1 (1M) [PATCH 7/8] sched_ext: Sub-allocator over kernel-claimed BPF arena pages
  2026-05-22 · Tejun Heo <tj@kernel.org> · 1 Reviewed-by
• STALE83d REVIEWED: 1 (1M) [PATCH 8/8] sched_ext: Convert ops.set_cmask() to arena-resident cmask
  2026-05-22 · Tejun Heo <tj@kernel.org> · 1 Reviewed-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.

• STALE105d [PATCH 6/8] sched_ext: Require an arena for cid-form schedulers
  2026-05-17 · Tejun Heo <tj@kernel.org>
• STALE105d [PATCH 8/8] sched_ext: Convert ops.set_cmask() to arena-resident cmask
  2026-05-17 · Tejun Heo <tj@kernel.org>
• STALE83d [PATCH 6/8] sched_ext: Require an arena for cid-form schedulers
  2026-05-22 · Tejun Heo <tj@kernel.org>