linux-kernel - [patch v8 2/9] sched: move few runnable tg variables into CONFIG

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Message-Id: <1370589652-24549-3-git-send-email-alex.shi@intel.com>
Date:	Fri,  7 Jun 2013 15:20:45 +0800
From:	Alex Shi <alex.shi@...el.com>
To:	mingo@...hat.com, peterz@...radead.org, tglx@...utronix.de,
	akpm@...ux-foundation.org, bp@...en8.de, pjt@...gle.com,
	namhyung@...nel.org, efault@....de, morten.rasmussen@....com
Cc:	vincent.guittot@...aro.org, preeti@...ux.vnet.ibm.com,
	viresh.kumar@...aro.org, linux-kernel@...r.kernel.org,
	alex.shi@...el.com, mgorman@...e.de, riel@...hat.com,
	wangyun@...ux.vnet.ibm.com, Jason Low <jason.low2@...com>,
	Changlong Xie <changlongx.xie@...el.com>, sgruszka@...hat.com,
	fweisbec@...il.com
Subject: [patch v8 2/9] sched: move few runnable tg variables into CONFIG_SMP

The following 2 variables only used under CONFIG_SMP, so better to move
their definiation into CONFIG_SMP too.

        atomic64_t load_avg;
        atomic_t runnable_avg;

Signed-off-by: Alex Shi <alex.shi@...el.com>
---
 kernel/sched/sched.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index d892a9f..24b1503 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -149,9 +149,11 @@ struct task_group {
 	unsigned long shares;
 
 	atomic_t load_weight;
+#ifdef	CONFIG_SMP
 	atomic64_t load_avg;
 	atomic_t runnable_avg;
 #endif
+#endif
 
 #ifdef CONFIG_RT_GROUP_SCHED
 	struct sched_rt_entity **rt_se;
-- 
1.7.12

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