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-rw-r--r--kernel/sched_fair.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c
index f5f491762e35..3ecbfd0902d8 100644
--- a/kernel/sched_fair.c
+++ b/kernel/sched_fair.c
@@ -818,7 +818,7 @@ static void check_preempt_wakeup(struct rq *rq, struct task_struct *p)
818 struct task_struct *curr = rq->curr; 818 struct task_struct *curr = rq->curr;
819 struct cfs_rq *cfs_rq = task_cfs_rq(curr); 819 struct cfs_rq *cfs_rq = task_cfs_rq(curr);
820 struct sched_entity *se = &curr->se, *pse = &p->se; 820 struct sched_entity *se = &curr->se, *pse = &p->se;
821 s64 delta; 821 s64 delta, gran;
822 822
823 if (unlikely(rt_prio(p->prio))) { 823 if (unlikely(rt_prio(p->prio))) {
824 update_rq_clock(rq); 824 update_rq_clock(rq);
@@ -833,8 +833,11 @@ static void check_preempt_wakeup(struct rq *rq, struct task_struct *p)
833 } 833 }
834 834
835 delta = se->vruntime - pse->vruntime; 835 delta = se->vruntime - pse->vruntime;
836 gran = sysctl_sched_wakeup_granularity;
837 if (unlikely(se->load.weight != NICE_0_LOAD))
838 gran = calc_delta_fair(gran, &se->load);
836 839
837 if (delta > (s64)sysctl_sched_wakeup_granularity) 840 if (delta > gran)
838 resched_task(curr); 841 resched_task(curr);
839} 842}
840 843