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)

• COOLING4d [PATCH v3 00/15] sched: introduce for_each_process_rculock and for_each_thread_rculock
  2026-09-11 08:01 · 1 reply in 7d · Ye Liu <hidden>

Active reviewers (last 30 days)

• Michal Hocko <mhocko@suse.com>
  2 attestations (2 Acked-by) · last on 2026-09-11
• SJ Park <sj@kernel.org>
  1 attestation (1 Reviewed-by) · last on 2026-09-11
• Lorenzo Stoakes (ARM) <ljs@kernel.org>
  1 attestation (1 Reviewed-by) · last on 2026-09-11
• Oleg Nesterov <oleg@redhat.com>
  1 attestation (1 Reviewed-by) · last on 2026-09-11

Recent patches

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

• COOLING4d REVIEWED: 16 (16M) [PATCH v3 10/15] sched: convert process/thread iterators to for_each_*_rculock
  2026-09-11 · Ye Liu <hidden>
• COOLING5d REVIEWED: 4 (4M) [PATCH v2 5/8] kernel: convert process/thread iterators to for_each_*_rculock
  2026-09-07 · Ye Liu <hidden>
• COOLING9d [PATCH v2 4/5] cpufreq: schedutil: convert to kthread_create_worker
  2026-09-04 · Bradley Morgan <hidden>
• WARM3d [PATCH 5/8] kernel: convert process/thread iterators to for_each_*_rcu
  2026-09-04 · Ye Liu <hidden>
• COOLING12d [PATCH 4/5] cpufreq: schedutil: convert to kthread_create_worker
  2026-08-29 · Bradley Morgan <hidden>
• DORMANTno replies [PATCH 4/5] cpufreq: schedutil: convert to kthread_create_worker
  2026-08-29 · Bradley Morgan <hidden>
• COLD20d [PATCH] sched/cpufreq: Reevaluate frequency before tickless idle
  2026-08-24 · Christian Loehle <christian.loehle@arm.com>
• WARM3d [PATCH] sched/fair: Only apply cpufreq pressure where frequency is invariant
  2026-08-21 · Jianyong Wu <hidden>
• COLD30d REVIEWED: 1 (0M) [PATCH v3] cpufreq: schedutil: Fix rate limit overflow
  2026-08-06 · Hui Su <hidden>
• COLD40d REVIEWED: 1 (0M) [PATCH v2] cpufreq: schedutil: Fix rate limit overflow
  2026-08-06 · Hui Su <hidden>
• COLD36d [PATCH 2/2] sched/cpufreq: Update schedutil's DVFS request to reach the boost frequencies
  2026-08-06 · Sibi Sankar <sibi.sankar@oss.qualcomm.com>
• COLD40d [PATCH] cpufreq: schedutil: Fix rate limit overflow
  2026-08-05 · Hui Su <hidden>
• COLD47d [PATCH] sched/idle: Stop the tick when no cpuidle driver is available
  2026-07-28 · Christian Loehle <christian.loehle@arm.com>
• COLD47d Re: [REGRESSION] sched/idle: Sysbench threads regression after f4c31b07b136
  2026-07-28 · Christian Loehle <christian.loehle@arm.com>
• COLD55d [PATCH] cpufreq: schedutil: Replace sprintf() with sysfs_emit() in sysfs show
  2026-07-16 · Zhongqiu Han <hidden>
• COLD55d [PATCH] cpufreq: schedutil: Publish util hooks only after all sg_cpu are initialized
  2026-07-16 · Zhongqiu Han <hidden>
• COLD40d [RFC PATCH] freezer: Restrict unsafe freezable tasks to system sleep
  2026-07-14 · Stanislav Kinsburskii <hidden>
• STALE70d [PATCH] cpufreq: schedutil: Fix self-contradictory comment in sugov_iowait_apply()
  2026-07-03 · Zhongqiu Han <hidden>
• STALE68d [PATCH] sched/topology: Allow EAS without schedutil for artificial Energy Models
  2026-06-29 · Lucas de Lima Nóbrega <hidden>
• STALE76d [PATCH v3 5/7] kernel: Use mutable list iterators
  2026-06-22 · Kaitao Cheng <hidden>
• STALE85d [PATCH] cpufreq: schedutil: Fix uncleared need_freq_update on the adjust_perf path
  2026-06-16 · Zhongqiu Han <hidden>
• STALE102d Re: [PATCH v2] sched/fair: Revert boost in cpu_util()
  2026-06-05 · Hongyan Xia <hidden>
• STALE102d [PATCH v2] sched/fair: Revert boost in cpu_util()
  2026-05-28 · Hongyan Xia <hidden>
• STALE96d [PATCH 04/11] treewide: Convert struct kernel_param_ops initializers to DEFINE_KERNEL_PARAM_OPS
  2026-05-21 · Kees Cook <kees@kernel.org>
• STALE118d [PATCH] sched/fair: Update util_est after updating util_avg during dequeue
  2026-05-18 · Vincent Guittot <vincent.guittot@linaro.org>
• STALE103d [PATCH] sched/fair: Revert boost in cpu_util()
  2026-05-18 · hongyan.xia (夏弘彦) <hidden>
• STALE122d Re: [PATCH] sched/fair: Call update_util_est() after dequeue_entities()
  2026-05-13 · Vincent Guittot <vincent.guittot@linaro.org>
• STALE122d [PATCH] sched/fair: Call update_util_est() after dequeue_entities()
  2026-05-12 · Qais Yousef <hidden>
• STALE104d REVIEWED: 1 (1M) [PATCH 15/15] sched/cputime: Handle dyntick-idle steal time correctly
  2026-05-08 · Frederic Weisbecker <frederic@kernel.org>
• STALE104d REVIEWED: 1 (1M) [PATCH 14/15] sched/cputime: Handle idle irqtime gracefully
  2026-05-08 · 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.

• STALE104d 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
• COLD40d REVIEWED: 1 (0M) [PATCH v2] cpufreq: schedutil: Fix rate limit overflow
  2026-08-06 · Hui Su <hidden> · 1 Reviewed-by
• COLD30d REVIEWED: 1 (0M) [PATCH v3] cpufreq: schedutil: Fix rate limit overflow
  2026-08-06 · Hui Su <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.

• STALE62d [PATCH v2 02/13] sched/pelt: Add a new function to approximate the future util_avg value
  2026-05-04 · Qais Yousef <hidden>
• STALE62d [PATCH v2 05/13] sched: cpufreq: Remove magic 1.25 headroom from sugov_apply_dvfs_headroom()
  2026-05-04 · Qais Yousef <hidden>
• STALE62d [PATCH v2 06/13] sched/fair: Extend util_est to improve rampup time
  2026-05-04 · Qais Yousef <hidden>
• STALE62d [PATCH v2 07/13] sched/fair: util_est: Take into account periodic tasks
  2026-05-04 · Qais Yousef <hidden>
• STALE62d [PATCH v2 10/13] sched/fair: Disable util_est when rampup_multiplier is 0
  2026-05-04 · Qais Yousef <hidden>
• STALE62d [PATCH v2 11/13] sched/fair: Don't mess with util_avg post init
  2026-05-04 · Qais Yousef <hidden>
• STALE62d [PATCH v2 12/13] sched/fair: Call update_util_est() after dequeue_entities()
  2026-05-04 · Qais Yousef <hidden>
• STALE62d [PATCH v2 RFC 13/13] sched/pelt: Always allow load updates
  2026-05-04 · Qais Yousef <hidden>