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Commit 810e95cc authored by Peter Zijlstra's avatar Peter Zijlstra Committed by Ingo Molnar
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sched: another wakeup_granularity fix 



unit mis-match: wakeup_gran was used against a vruntime

Signed-off-by: default avatarPeter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent a58f6f25

kernel/sched_fair.c

+5 −2
Original line number Diff line number Diff line
@@ -818,7 +818,7 @@ static void check_preempt_wakeup(struct rq *rq, struct task_struct *p) 
	struct task_struct *curr = rq->curr;

	struct cfs_rq *cfs_rq = task_cfs_rq(curr);

	struct sched_entity *se = &curr->se, *pse = &p->se;

	s64 delta;

	s64 delta, gran;



	if (unlikely(rt_prio(p->prio))) {

		update_rq_clock(rq);
@@ -833,8 +833,11 @@ static void check_preempt_wakeup(struct rq *rq, struct task_struct *p) 
	}



	delta = se->vruntime - pse->vruntime;

	gran = sysctl_sched_wakeup_granularity;

	if (unlikely(se->load.weight != NICE_0_LOAD))

		gran = calc_delta_fair(gran, &se->load);



	if (delta > (s64)sysctl_sched_wakeup_granularity)

	if (delta > gran)

		resched_task(curr);

}