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sched: another wakeup_granularity fix 

unit mis-match: wakeup_gran was used against a vruntime

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
hifive-unleashed-5.1
Peter Zijlstra 2007-10-15 17:00:14 +02:00 committed by Ingo Molnar
parent a58f6f253d
commit 810e95ccd5
1 changed files with 5 additions and 2 deletions
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7
kernel/sched_fair.c
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@ -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);
}