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-rw-r--r--kernel/sched/fair.c4
-rw-r--r--kernel/sched/rt.c10
-rw-r--r--kernel/sched/sched.h12
3 files changed, 15 insertions, 11 deletions
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index b956e70..10db4a8 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -6728,7 +6728,9 @@ static int idle_balance(struct rq *this_rq)
out:
/* Is there a task of a high priority class? */
- if (this_rq->nr_running != this_rq->cfs.h_nr_running)
+ if (this_rq->nr_running != this_rq->cfs.h_nr_running &&
+ (this_rq->dl.dl_nr_running ||
+ (this_rq->rt.rt_nr_running && !rt_rq_throttled(&this_rq->rt))))
pulled_task = -1;
if (pulled_task) {
diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c
index f3cee0a..d8cdf16 100644
--- a/kernel/sched/rt.c
+++ b/kernel/sched/rt.c
@@ -470,11 +470,6 @@ static void sched_rt_rq_dequeue(struct rt_rq *rt_rq)
dequeue_rt_entity(rt_se);
}
-static inline int rt_rq_throttled(struct rt_rq *rt_rq)
-{
- return rt_rq->rt_throttled && !rt_rq->rt_nr_boosted;
-}
-
static int rt_se_boosted(struct sched_rt_entity *rt_se)
{
struct rt_rq *rt_rq = group_rt_rq(rt_se);
@@ -545,11 +540,6 @@ static inline void sched_rt_rq_dequeue(struct rt_rq *rt_rq)
{
}
-static inline int rt_rq_throttled(struct rt_rq *rt_rq)
-{
- return rt_rq->rt_throttled;
-}
-
static inline const struct cpumask *sched_rt_period_mask(void)
{
return cpu_online_mask;
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index 378bff7..f2de7a1 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -423,6 +423,18 @@ struct rt_rq {
#endif
};
+#ifdef CONFIG_RT_GROUP_SCHED
+static inline int rt_rq_throttled(struct rt_rq *rt_rq)
+{
+ return rt_rq->rt_throttled && !rt_rq->rt_nr_boosted;
+}
+#else
+static inline int rt_rq_throttled(struct rt_rq *rt_rq)
+{
+ return rt_rq->rt_throttled;
+}
+#endif
+
/* Deadline class' related fields in a runqueue */
struct dl_rq {
/* runqueue is an rbtree, ordered by deadline */
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