linux-kernel - [RFC PATCH 2/2] sched: remove member rt_se from struct rt

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Date:	Fri, 29 Jan 2010 14:58:47 +0800
From:	Yong Zhang <yong.zhang0@...il.com>
To:	linux-kernel <linux-kernel@...r.kernel.org>
Cc:	Ingo Molnar <mingo@...e.hu>, Peter Zijlstra <peterz@...radead.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	rusty <rusty@...tcorp.com.au>
Subject: [RFC PATCH 2/2] sched: remove member rt_se from struct rt_rq

It's a duplicate of tg->rt_se[cpu] and the only usage is
sched_rt_rq_dequeue() and sched_rt_rq_enqueue(). After the
first patch to those two function. rt_se can be removed.

Signed-off-by: Yong Zhang <yong.zhang0@...il.com>
Cc: Ingo Molnar <mingo@...e.hu>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: Rusty Russell <rusty@...tcorp.com.au>
---
 kernel/sched.c |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)

diff --git a/kernel/sched.c b/kernel/sched.c
index 4508fe7..dc04041 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -478,7 +478,6 @@ struct rt_rq {
 	struct rq *rq;
 	struct list_head leaf_rt_rq_list;
 	struct task_group *tg;
-	struct sched_rt_entity *rt_se;
 #endif
 };

@@ -9437,7 +9436,6 @@ static void init_tg_rt_entry(struct task_group
*tg, struct rt_rq *rt_rq,
 	tg->rt_rq[cpu] = rt_rq;
 	init_rt_rq(rt_rq, rq);
 	rt_rq->tg = tg;
-	rt_rq->rt_se = rt_se;
 	rt_rq->rt_runtime = tg->rt_bandwidth.rt_runtime;
 	if (add)
 		list_add(&rt_rq->leaf_rt_rq_list, &rq->leaf_rt_rq_list);
-- 
1.6.3.3
--
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