From: Thomas Gleixner Date: Fri, 7 Feb 2014 19:58:40 +0000 (+0100) Subject: sched: Adjust p->sched_reset_on_fork when nothing else changes X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=d6b1e9119787fd2e31dcf0f0ce90b71197604206;p=openwrt%2Fstaging%2Fblogic.git sched: Adjust p->sched_reset_on_fork when nothing else changes If the policy and priority remain unchanged a possible modification of p->sched_reset_on_fork gets lost in the early exit path. Signed-off-by: Thomas Gleixner [ Rebase ontop of v3.14-rc1. ] Signed-off-by: Sebastian Andrzej Siewior Signed-off-by: Peter Zijlstra Link: http://lkml.kernel.org/r/1391803122-4425-5-git-send-email-bigeasy@linutronix.de Signed-off-by: Ingo Molnar --- diff --git a/kernel/sched/core.c b/kernel/sched/core.c index c94e851dc981..771eb8762df4 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -3362,7 +3362,8 @@ recheck: } /* - * If not changing anything there's no need to proceed further: + * If not changing anything there's no need to proceed further, + * but store a possible modification of reset_on_fork. */ if (unlikely(policy == p->policy)) { if (fair_policy(policy) && attr->sched_nice != task_nice(p)) @@ -3372,6 +3373,7 @@ recheck: if (dl_policy(policy)) goto change; + p->sched_reset_on_fork = reset_on_fork; task_rq_unlock(rq, p, &flags); return 0; }