Commit-ID: 6bfa687c19b7ab8adee03f0d43c197c2945dd869 Gitweb: http://git.kernel.org/tip/6bfa687c19b7ab8adee03f0d43c197c2945dd869 Author: Shawn Bohrer <sbohrer@xxxxxxxxxxxxxxx> AuthorDate: Fri, 4 Oct 2013 14:24:53 -0500 Committer: Ingo Molnar <mingo@xxxxxxxxxx> CommitDate: Sun, 6 Oct 2013 11:28:40 +0200 sched/rt: Remove redundant nr_cpus_allowed test In 76854c7e8f3f4172fef091e78d88b3b751463ac6 ("sched: Use rt.nr_cpus_allowed to recover select_task_rq() cycles") an optimization was added to select_task_rq_rt() that immediately returns when p->nr_cpus_allowed == 1 at the beginning of the function. This makes the latter p->nr_cpus_allowed > 1 check redundant, which can now be removed. Signed-off-by: Shawn Bohrer <sbohrer@xxxxxxxxxxxxxxx> Reviewed-by: Steven Rostedt <rostedt@xxxxxxxxxxx> Cc: Mike Galbraith <mgalbraith@xxxxxxx> Cc: tomk@xxxxxxxxxxxxxxx Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx> Link: http://lkml.kernel.org/r/1380914693-24634-1-git-send-email-shawn.bohrer@xxxxxxxxx Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx> --- kernel/sched/rt.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c index 01970c8..ceebfba 100644 --- a/kernel/sched/rt.c +++ b/kernel/sched/rt.c @@ -1213,8 +1213,7 @@ select_task_rq_rt(struct task_struct *p, int sd_flag, int flags) */ if (curr && unlikely(rt_task(curr)) && (curr->nr_cpus_allowed < 2 || - curr->prio <= p->prio) && - (p->nr_cpus_allowed > 1)) { + curr->prio <= p->prio)) { int target = find_lowest_rq(p); if (target != -1) -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html