[PATCH] sched/rt: Fix comment of task_tick_rt()

[Libin <huawei.libin@huawei.com>]

From: Li Bin <huawei.libin@huawei.com>

This issue was introduced by 454c7999(sched/rt: Fix SCHED_RR across
cgroups) that missing the word 'not'. Fix it.

Signed-off-by: Li Bin <huawei.libin@huawei.com>
---
 kernel/sched/rt.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c
index 01970c8..fa4cf84 100644
--- a/kernel/sched/rt.c
+++ b/kernel/sched/rt.c
@@ -1931,8 +1931,8 @@ static void task_tick_rt(struct rq *rq, struct task_struct *p, int queued)
 	p->rt.time_slice = sched_rr_timeslice;
 
 	/*
-	 * Requeue to the end of queue if we (and all of our ancestors) are the
-	 * only element on the queue
+	 * Requeue to the end of queue if we (and all of our ancestors) are not
+	 * the only element on the queue
 	 */
 	for_each_sched_rt_entity(rt_se) {
 		if (rt_se->run_list.prev != rt_se->run_list.next) {
-- 
1.8.2.1