linux-kernel - [PATCH] sched/deadline: Cleanup RT leftovers from {inc/dec}_dl

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Date:	Tue, 25 Feb 2014 19:52:23 +0400
From:	Kirill Tkhai <ktkhai@...allels.com>
To:	<linux-kernel@...r.kernel.org>
CC:	<juri.lelli@...il.com>, <peterz@...radead.org>, <mingo@...hat.com>
Subject: [PATCH] sched/deadline: Cleanup RT leftovers from
 {inc/dec}_dl_migration


In deadline class we do not have group scheduling.

So, let's remove unnecessary

	X = X;

equations.

Signed-off-by: Kirill Tkhai <ktkhai@...allels.com>
CC: Juri Lelli <juri.lelli@...il.com>
CC: Peter Zijlstra <peterz@...radead.org>
CC: Ingo Molnar <mingo@...hat.com>
---
 kernel/sched/deadline.c |    2 --
 1 file changed, 2 deletions(-)

diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c
index ef96edc..2c28437 100644
--- a/kernel/sched/deadline.c
+++ b/kernel/sched/deadline.c
@@ -135,7 +135,6 @@ static void update_dl_migration(struct dl_rq *dl_rq)
 static void inc_dl_migration(struct sched_dl_entity *dl_se, struct dl_rq *dl_rq)
 {
 	struct task_struct *p = dl_task_of(dl_se);
-	dl_rq = &rq_of_dl_rq(dl_rq)->dl;
 
 	if (p->nr_cpus_allowed > 1)
 		dl_rq->dl_nr_migratory++;
@@ -146,7 +145,6 @@ static void inc_dl_migration(struct sched_dl_entity *dl_se, struct dl_rq *dl_rq)
 static void dec_dl_migration(struct sched_dl_entity *dl_se, struct dl_rq *dl_rq)
 {
 	struct task_struct *p = dl_task_of(dl_se);
-	dl_rq = &rq_of_dl_rq(dl_rq)->dl;
 
 	if (p->nr_cpus_allowed > 1)
 		dl_rq->dl_nr_migratory--;



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