[PATCH] sched/fair: Fix the misuse of cfs_rq in sync_throttle()

From: Xunlei Pang
Date: Sat Jul 09 2016 - 03:54:38 EST


Should update "cfs_rq->throttled_clock_task" other than pcfs_rq's.

Signed-off-by: Xunlei Pang <xlpang@xxxxxxxxxx>
---
kernel/sched/fair.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 4088eed..039de34 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -4269,7 +4269,7 @@ static void sync_throttle(struct task_group *tg, int cpu)
pcfs_rq = tg->parent->cfs_rq[cpu];

cfs_rq->throttle_count = pcfs_rq->throttle_count;
- pcfs_rq->throttled_clock_task = rq_clock_task(cpu_rq(cpu));
+ cfs_rq->throttled_clock_task = rq_clock_task(cpu_rq(cpu));
}

/* conditionally throttle active cfs_rq's from put_prev_entity() */
--
1.8.3.1