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

Active reviewers (last 30 days)

• Andrii Nakryiko <andrii@kernel.org>
  2 attestations (2 Acked-by) · last on 2026-07-03
• Oleg Nesterov <oleg@redhat.com>
  2 attestations (2 Reviewed-by) · last on 2026-07-03

Recent patches

Most-recent 30 patches in this subsystem on linux-trace-kernel (capped at 30), ordered by date desc.

• WARM3d [RFC PATCH 5/7] mm: add runtime toggle and sysctls for async teardown
  2026-07-19 · Aditya Sharma <hidden>
• WARM3d [RFC PATCH 4/7] mm: gate async teardown on RSS with pending-pages backpressure
  2026-07-19 · Aditya Sharma <hidden>
• WARM3d [RFC PATCH 2/7] mm: dispatch __mmput() to an mm_reaper kthread via llist
  2026-07-19 · Aditya Sharma <hidden>
• WARM3d [RFC PATCH 6/7] mm: add tracepoints and vmstat counters for async teardown
  2026-07-19 · Aditya Sharma <hidden>
• COLD22d REVIEWED: 6 (6M) [PATCHv6 02/13] uprobes/x86: Remove struct uprobe_trampoline object
  2026-07-03 · Jiri Olsa <jolsa@kernel.org>
• COOLING6d [RFC PATCH 1/1] psi: Introduce in-kernel PSI auto monitor feature
  2026-07-02 · Pintu Kumar Agarwal <hidden>
• COLD23d REVIEWED: 6 (6M) [PATCHv5 02/13] uprobes/x86: Remove struct uprobe_trampoline object
  2026-07-01 · Jiri Olsa <jolsa@kernel.org>
• COLD25d [PATCH v3 5/7] kernel: Use mutable list iterators
  2026-06-22 · Kaitao Cheng <hidden>
• COLD34d Re: [LSF/MM/BPF TOPIC][RFC PATCH v4 00/27] Private Memory Nodes (w/ Compressed RAM)
  2026-06-10 · "David Hildenbrand (Arm)" <david@kernel.org>
• COLD24d REVIEWED: 4 (4M) [PATCHv4 02/13] uprobes/x86: Remove struct uprobe_trampoline object
  2026-05-26 · Jiri Olsa <jolsa@kernel.org>
• COLD60d REVIEWED: 1 (0M) [PATCH v16 03/20] unwind_user/sframe: Store .sframe section data in per-mm maple tree
  2026-05-21 · Jens Remus <hidden>
• STALE61d [PATCHv3 02/12] uprobes/x86: Remove struct uprobe_trampoline object
  2026-05-21 · Jiri Olsa <jolsa@kernel.org>
• STALE66d REVIEWED: 1 (0M) [PATCH v15 03/20] unwind_user/sframe: Store .sframe section data in per-mm maple tree
  2026-05-20 · Jens Remus <hidden>
• STALE67d REVIEWED: 1 (0M) [PATCH v14 03/19] unwind_user/sframe: Store .sframe section data in per-mm maple tree
  2026-05-05 · Jens Remus <hidden>
• STALE82d [PATCH] sched: Use trace_call__<tp>() to save a static branch
  2026-04-29 · Gabriele Monaco <gmonaco@redhat.com>
• STALE117d LANDED: 1 (1M) [PATCH v8 11/12] sched/deadline: Move some utility functions to deadline.h
  2026-03-30 · Gabriele Monaco <gmonaco@redhat.com>
• STALE117d LANDED: 2 (1M) [PATCH v8 10/12] sched: Add deadline tracepoints
  2026-03-30 · Gabriele Monaco <gmonaco@redhat.com>
• STALE98d [PATCH v2 02/19] kernel: Use trace_call__##name() at guarded tracepoint call sites
  2026-03-23 · Vineeth Pillai (Google) <hidden>
• STALE130d [PATCH 02/15] kernel: Use trace_invoke_##name() at guarded tracepoint call sites
  2026-03-12 · Vineeth Pillai (Google) <hidden>
• STALE89d [PATCH v3 1/4] tracing/preemptirq: Optimize preempt_disable/enable() tracepoint overhead
  2026-03-11 · Wander Lairson Costa <hidden>
• STALE101d [PATCH 16/61] sched: Prefer IS_ERR_OR_NULL over manual NULL check
  2026-03-10 · Philipp Hahn <hidden>
• STALE125d REVIEWED: 1 (1M) [PATCH v7 13/15] sched/deadline: Move some utility functions to deadline.h
  2026-03-10 · Gabriele Monaco <gmonaco@redhat.com>
• STALE125d REVIEWED: 1 (0M) [PATCH v7 12/15] sched: Add deadline tracepoints
  2026-03-10 · Gabriele Monaco <gmonaco@redhat.com>
• STALE125d REVIEWED: 2 (2M) [PATCH v7 08/15] sched: Add task enqueue/dequeue trace points
  2026-03-10 · Gabriele Monaco <gmonaco@redhat.com>
• STALE149d [PATCH v18 3/3] mm: Improve RSS counter approximation accuracy for proc interfaces
  2026-02-27 · Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
• STALE142d [PATCH v6 14/16] sched_ext: Export task_is_scx_enabled() for verification
  2026-02-25 · Gabriele Monaco <gmonaco@redhat.com>
• STALE142d REVIEWED: 1 (1M) [PATCH v6 13/16] sched/deadline: Move some utility functions to deadline.h
  2026-02-25 · Gabriele Monaco <gmonaco@redhat.com>
• STALE142d REVIEWED: 1 (0M) [PATCH v6 12/16] sched: Add deadline tracepoints
  2026-02-25 · Gabriele Monaco <gmonaco@redhat.com>
• STALE142d REVIEWED: 2 (2M) [PATCH v6 08/16] sched: Add task enqueue/dequeue trace points
  2026-02-25 · Gabriele Monaco <gmonaco@redhat.com>
• STALE149d [PATCH v17 3/3] mm: Improve RSS counter approximation accuracy for proc interfaces
  2026-02-17 · Mathieu Desnoyers <mathieu.desnoyers@efficios.com>

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.

• STALE177d REVIEWED: 4 (4M) [PATCH] perf: sched: Fix perf crash with new is_user_task() helper
  2026-01-29 · Steven Rostedt <rostedt@goodmis.org> · 1 Tested-by
• COLD60d REVIEWED: 1 (0M) [PATCH v16 03/20] unwind_user/sframe: Store .sframe section data in per-mm maple tree
  2026-05-21 · Jens Remus <hidden> · 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.

• STALE195d [PATCH v12 2/3] mm: Fix OOM killer inaccuracy on large many-core systems
  2026-01-11 · Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
• STALE194d [PATCH v13 3/3] mm: Implement precise OOM killer task selection
  2026-01-11 · Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
• STALE195d [PATCH v14 2/3] mm: Fix OOM killer inaccuracy on large many-core systems
  2026-01-12 · Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
• DORMANTno replies [PATCH v15 2/3] mm: Use hierarchical per-cpu counters for RSS tracking
  2026-01-13 · Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
• STALE94d [PATCH v13 02/18] unwind_user/sframe: Store .sframe section data in per-mm maple tree
  2026-01-27 · Jens Remus <hidden>
• STALE149d [PATCH v17 3/3] mm: Improve RSS counter approximation accuracy for proc interfaces
  2026-02-17 · Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
• STALE149d [PATCH v18 3/3] mm: Improve RSS counter approximation accuracy for proc interfaces
  2026-02-27 · Mathieu Desnoyers <mathieu.desnoyers@efficios.com>