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-rw-r--r--kernel/sched_fair.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c
index c741cd9d38de..3e6f78c66876 100644
--- a/kernel/sched_fair.c
+++ b/kernel/sched_fair.c
@@ -1605,9 +1605,6 @@ static void check_preempt_wakeup(struct rq *rq, struct task_struct *p, int wake_
return;
}
- if (!sched_feat(WAKEUP_PREEMPT))
- return;
-
if ((sched_feat(WAKEUP_SYNC) && sync) ||
(sched_feat(WAKEUP_OVERLAP) &&
(se->avg_overlap < sysctl_sched_migration_cost &&
@@ -1616,6 +1613,17 @@ static void check_preempt_wakeup(struct rq *rq, struct task_struct *p, int wake_
return;
}
+ if (sched_feat(WAKEUP_RUNNING)) {
+ if (pse->avg_running < se->avg_running) {
+ set_next_buddy(pse);
+ resched_task(curr);
+ return;
+ }
+ }
+
+ if (!sched_feat(WAKEUP_PREEMPT))
+ return;
+
find_matching_se(&se, &pse);
BUG_ON(!pse);