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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)
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);
}