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| author |   Vincent Guittot <vincent.guittot@linaro.org> | 2021-09-28 12:35:44 +0200 |
|---|---|---|
| committer |   Peter Zijlstra <peterz@infradead.org> | 2021-10-05 15:52:17 +0200 |
| commit | a7ba894821b6ade7bb420455f87020b2838d6180 (patch) | |
| tree | ff622884cfb1bb27b9e8f3d41c528804f136e693 /kernel/sched/fair.c | |
| parent | sched: Remove pointless preemption disable in sched_submit_work() (diff) | |
| download | linux-dev-a7ba894821b6ade7bb420455f87020b2838d6180.tar.xz linux-dev-a7ba894821b6ade7bb420455f87020b2838d6180.zip | |
sched/fair: Removed useless update of p->recent_used_cpu
Since commit 89aafd67f28c ("sched/fair: Use prev instead of new target as recent_used_cpu"),
p->recent_used_cpu is unconditionnaly set with prev.
Fixes: 89aafd67f28c ("sched/fair: Use prev instead of new target as recent_used_cpu")
Signed-off-by: Vincent Guittot <vincent.guittot@linaro.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Mel Gorman <mgorman@suse.de>
Link: https://lkml.kernel.org/r/20210928103544.27489-1-vincent.guittot@linaro.org
Diffstat (limited to 'kernel/sched/fair.c')
| -rw-r--r-- | kernel/sched/fair.c | 5 |
1 files changed, 0 insertions, 5 deletions
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index c50ae23013dc..2468d1d1edef 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -6413,11 +6413,6 @@ static int select_idle_sibling(struct task_struct *p, int prev, int target) (available_idle_cpu(recent_used_cpu) || sched_idle_cpu(recent_used_cpu)) && cpumask_test_cpu(p->recent_used_cpu, p->cpus_ptr) && asym_fits_capacity(task_util, recent_used_cpu)) { - /* - * Replace recent_used_cpu with prev as it is a potential - * candidate for the next wake: - */ - p->recent_used_cpu = prev; return recent_used_cpu; } |