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-rw-r--r--kernel/sched_fair.c16
1 files changed, 14 insertions, 2 deletions
diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c
index a6b1db8..51aa3e1 100644
--- a/kernel/sched_fair.c
+++ b/kernel/sched_fair.c
@@ -1319,6 +1319,18 @@ wakeup_preempt_entity(struct sched_entity *curr, struct sched_entity *se)
return 0;
}
+static void set_last_buddy(struct sched_entity *se)
+{
+ for_each_sched_entity(se)
+ cfs_rq_of(se)->last = se;
+}
+
+static void set_next_buddy(struct sched_entity *se)
+{
+ for_each_sched_entity(se)
+ cfs_rq_of(se)->next = se;
+}
+
/*
* Preempt the current task with a newly woken task if needed:
*/
@@ -1352,8 +1364,8 @@ static void check_preempt_wakeup(struct rq *rq, struct task_struct *p, int sync)
* obvious reasons its a bad idea to schedule back to the idle thread.
*/
if (sched_feat(LAST_BUDDY) && likely(se->on_rq && curr != rq->idle))
- cfs_rq_of(se)->last = se;
- cfs_rq_of(pse)->next = pse;
+ set_last_buddy(se);
+ set_next_buddy(pse);
/*
* We can come here with TIF_NEED_RESCHED already set from new task
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