Messages in this thread Patch in this message | | | Date | Tue, 05 Oct 2021 14:11:54 -0000 | From | "tip-bot2 for Vincent Guittot" <> | Subject | [tip: sched/core] sched/fair: Removed useless update of p->recent_used_cpu |
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The following commit has been merged into the sched/core branch of tip:
Commit-ID: a7ba894821b6ade7bb420455f87020b2838d6180 Gitweb: https://git.kernel.org/tip/a7ba894821b6ade7bb420455f87020b2838d6180 Author: Vincent Guittot <vincent.guittot@linaro.org> AuthorDate: Tue, 28 Sep 2021 12:35:44 +02:00 Committer: Peter Zijlstra <peterz@infradead.org> CommitterDate: Tue, 05 Oct 2021 15:52:17 +02:00
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 --- kernel/sched/fair.c | 5 ----- 1 file changed, 5 deletions(-)
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index c50ae23..2468d1d 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; }
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