The following commit has been merged into the sched/core branch of tip: Commit-ID: 0a00a354644ee1800d31c47cf5927b9b50272fac Gitweb: https://git.kernel.org/tip/0a00a354644ee1800d31c47cf5927b9b50272fac Author: Chengming Zhou <zhouchengming@xxxxxxxxxxxxx> AuthorDate: Fri, 08 Apr 2022 19:53:09 +08:00 Committer: Peter Zijlstra <peterz@xxxxxxxxxxxxx> CommitterDate: Fri, 22 Apr 2022 12:14:07 +02:00 sched/fair: Delete useless condition in tg_unthrottle_up() We have tested cfs_rq->load.weight in cfs_rq_is_decayed(), the first condition "!cfs_rq_is_decayed(cfs_rq)" is enough to cover the second condition "cfs_rq->nr_running". Signed-off-by: Chengming Zhou <zhouchengming@xxxxxxxxxxxxx> Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx> Reviewed-by: Ben Segall <bsegall@xxxxxxxxxx> Reviewed-by: Vincent Guittot <vincent.guittot@xxxxxxxxxx> Link: https://lore.kernel.org/r/20220408115309.81603-2-zhouchengming@xxxxxxxxxxxxx --- kernel/sched/fair.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index f74b340..3eba0dc 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -4850,7 +4850,7 @@ static int tg_unthrottle_up(struct task_group *tg, void *data) cfs_rq->throttled_clock_pelt; /* Add cfs_rq with load or one or more already running entities to the list */ - if (!cfs_rq_is_decayed(cfs_rq) || cfs_rq->nr_running) + if (!cfs_rq_is_decayed(cfs_rq)) list_add_leaf_cfs_rq(cfs_rq); }