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linux/kernel/sched
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Thomas Gleixner 77d7dc8bef sched/mmcid: Revert the complex CID management 
The CID management is a complex beast, which affects both scheduling and
task migration. The compaction mechanism forces random tasks of a process
into task work on exit to user space causing latency spikes.

Revert back to the initial simple bitmap allocating mechanics, which are
known to have scalability issues as that allows to gradually build up a
replacement functionality in a reviewable way.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Link: https://patch.msgid.link/20251119172549.068197830@linutronix.de
2025-11-20 12:14:52 +01:00
..
autogroup.c sched: Clean up and standardize #if/#else/#endif markers in sched/autogroup.[ch] 2025-06-13 08:47:14 +02:00
autogroup.h sched: Clean up and standardize #if/#else/#endif markers in sched/autogroup.[ch] 2025-06-13 08:47:14 +02:00
build_policy.c sched_ext: Move internal type and accessor definitions to ext_internal.h 2025-09-03 11:33:28 -10:00
build_utility.c sched/smp: Make SMP unconditional 2025-06-13 08:47:18 +02:00
clock.c sched: Clean up and standardize #if/#else/#endif markers in sched/clock.c 2025-06-13 08:47:14 +02:00
completion.c sched: Make clangd usable 2025-06-11 11:20:53 +02:00
core.c sched/mmcid: Revert the complex CID management 2025-11-20 12:14:52 +01:00
core_sched.c sched: Make clangd usable 2025-06-11 11:20:53 +02:00
cpuacct.c sched: Make clangd usable 2025-06-11 11:20:53 +02:00
cpudeadline.c sched: Make clangd usable 2025-06-11 11:20:53 +02:00
cpudeadline.h sched/smp: Make SMP unconditional 2025-06-13 08:47:18 +02:00
cpufreq.c sched: Make clangd usable 2025-06-11 11:20:53 +02:00
cpufreq_schedutil.c sched: Clean up and standardize #if/#else/#endif markers in sched/cpufreq_schedutil.c 2025-06-13 08:47:15 +02:00
cpupri.c sched: Make clangd usable 2025-06-11 11:20:53 +02:00
cpupri.h sched/smp: Make SMP unconditional 2025-06-13 08:47:18 +02:00
cputime.c sched: Clean up and standardize #if/#else/#endif markers in sched/cputime.c 2025-06-13 08:47:15 +02:00
deadline.c sched/deadline: Stop dl_server before CPU goes offline 2025-10-14 13:43:08 +02:00
debug.c sched/deadline: Always stop dl-server before changing parameters 2025-08-26 10:46:00 +02:00
ext.c sched_ext: fix flag check for deferred callbacks 2025-10-16 08:34:00 -10:00
ext.h sched_ext: Use cgroup_lock/unlock() to synchronize against cgroup operations 2025-09-03 11:36:07 -10:00
ext_idle.c sched_ext: Merge branch 'for-6.17-fixes' into for-6.18 2025-09-23 09:10:20 -10:00
ext_idle.h sched_ext: Always use SMP versions in kernel/sched/ext_idle.h 2025-06-13 14:47:59 -10:00
ext_internal.h sched_ext: Add SCX_EFLAG_INITIALIZED to indicate successful ops.init() 2025-09-23 09:03:26 -10:00
fair.c sched/fair: Start a cfs_rq on throttled hierarchy with PELT clock throttled 2025-10-22 15:21:52 +02:00
features.h sched/fair: Untangle NEXT_BUDDY and pick_next_task() 2024-12-09 11:48:13 +01:00
idle.c sched/smp: Use the SMP version of the idle scheduling class 2025-06-13 08:47:21 +02:00
isolation.c sched: Make clangd usable 2025-06-11 11:20:53 +02:00
loadavg.c Merge branch 'tip/sched/urgent' 2025-07-14 17:16:28 +02:00
Makefile tracing: Disable branch profiling in noinstr code 2025-03-22 09:49:26 +01:00
membarrier.c rseq: Simplify the event notification 2025-11-04 08:30:09 +01:00
pelt.c sched: Clean up and standardize #if/#else/#endif markers in sched/pelt.[ch] 2025-06-13 08:47:17 +02:00
pelt.h sched/fair: Switch to task based throttle model 2025-09-03 10:03:14 +02:00
psi.c sched/psi: Fix psi_seq initialization 2025-08-04 10:51:22 -07:00
rq-offsets.c sched: Make migrate_{en,dis}able() inline 2025-09-25 09:57:16 +02:00
rt.c sched: Fix proxy/current (push,pull)ability 2025-07-14 17:16:33 +02:00
sched-pelt.h sched: Make clangd usable 2025-06-11 11:20:53 +02:00
sched.h sched/mmcid: Revert the complex CID management 2025-11-20 12:14:52 +01:00
smp.h sched: Make clangd usable 2025-06-11 11:20:53 +02:00
stats.c sched/smp: Use the SMP version of schedstats 2025-06-13 08:47:21 +02:00
stats.h sched: Clean up and standardize #if/#else/#endif markers in sched/stats.[ch] 2025-06-13 08:47:17 +02:00
stop_task.c sched/smp: Use the SMP version of the stop-CPU scheduling class 2025-06-13 08:47:21 +02:00
swait.c sched: Make clangd usable 2025-06-11 11:20:53 +02:00
syscalls.c sched/smp: Use the SMP version of the scheduler syscalls 2025-06-13 08:47:21 +02:00
topology.c Scheduler updates for v6.18: 2025-09-30 10:35:11 -07:00
wait.c ARM: 2025-07-30 17:14:01 -07:00
wait_bit.c sched: Make clangd usable 2025-06-11 11:20:53 +02:00