summary refs log tree commit diff
path: root/kernel/sched/fair.c
diff options
context:
space:
mode:
authorKirill Tkhai <tkhai@yandex.ru>2014-04-10 17:38:36 +0400
committerIngo Molnar <mingo@kernel.org>2014-04-17 13:39:51 +0200
commita1d9a3231eac4117cadaf4b6bba5b2902c15a33e (patch)
treeea81cd4c9553b0ae0adb4357b578ba3cefc2dccf /kernel/sched/fair.c
parent60e69eed85bb7b5198ef70643b5895c26ad76ef7 (diff)
downloadlinux-a1d9a3231eac4117cadaf4b6bba5b2902c15a33e.tar.gz
sched: Check for stop task appearance when balancing happens
We need to do it like we do for the other higher priority classes..

Signed-off-by: Kirill Tkhai <tkhai@yandex.ru>
Cc: Michael wang <wangyun@linux.vnet.ibm.com>
Cc: Sasha Levin <sasha.levin@oracle.com>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/336561397137116@web27h.yandex.ru
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/sched/fair.c')
-rw-r--r--kernel/sched/fair.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 4f14a656a720..7570dd969c28 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -6728,7 +6728,8 @@ 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 &&
-	    (this_rq->dl.dl_nr_running ||
+	    ((this_rq->stop && this_rq->stop->on_rq) ||
+	     this_rq->dl.dl_nr_running ||
 	     (this_rq->rt.rt_nr_running && !rt_rq_throttled(&this_rq->rt))))
 		pulled_task = -1;