linux-kernel - [PATCH] sched/rt: Fix a comment in pick_next_task

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Message-Id: <20181027030517.23292-1-smuchun@gmail.com>
Date:   Sat, 27 Oct 2018 11:05:17 +0800
From:   Muchun Song <smuchun@...il.com>
To:     mingo@...nel.org, peterz@...radead.org
Cc:     linux-kernel@...r.kernel.org
Subject: [PATCH] sched/rt: Fix a comment in pick_next_task_rt()

Commit f4ebcbc0d7e0 ("sched/rt: Substract number of tasks of throttled
queues from rq->nr_running") added a new member rt_rq->rt_queued, which
is used to indicate the status of rq->rt enqueue or dequeue. So, the
check rt_nr_running was removed and we now check rt_queued.

Fix the comment in pick_next_task_rt() to avoid confusing.

Signed-off-by: Muchun Song <smuchun@...il.com>
---
 kernel/sched/rt.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c
index 2e2955a8cf8f..a21ea6021929 100644
--- a/kernel/sched/rt.c
+++ b/kernel/sched/rt.c
@@ -1561,7 +1561,7 @@ pick_next_task_rt(struct rq *rq, struct task_struct *prev, struct rq_flags *rf)
 
 	/*
 	 * We may dequeue prev's rt_rq in put_prev_task().
-	 * So, we update time before rt_nr_running check.
+	 * So, we update time before rt_queued check.
 	 */
 	if (prev->sched_class == &rt_sched_class)
 		update_curr_rt(rq);
-- 
2.17.1