linux-kernel - [patch v3 3/8] sched: only count runnable avg on cfs_rq's nr

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Date:	Tue,  2 Apr 2013 11:23:23 +0800
From:	Alex Shi <alex.shi@...el.com>
To:	mingo@...hat.com, peterz@...radead.org, tglx@...utronix.de,
	akpm@...ux-foundation.org, arjan@...ux.intel.com, bp@...en8.de,
	pjt@...gle.com, namhyung@...nel.org, efault@....de,
	morten.rasmussen@....com
Cc:	vincent.guittot@...aro.org, gregkh@...uxfoundation.org,
	preeti@...ux.vnet.ibm.com, viresh.kumar@...aro.org,
	linux-kernel@...r.kernel.org, alex.shi@...el.com,
	len.brown@...el.com, rafael.j.wysocki@...el.com, jkosina@...e.cz,
	clark.williams@...il.com, tony.luck@...el.com,
	keescook@...omium.org, mgorman@...e.de, riel@...hat.com
Subject: [patch v3 3/8] sched: only count runnable avg on cfs_rq's nr_running

Old function count the runnable avg on rq's nr_running even there is
only rt task in rq. That is incorrect, so correct it to cfs_rq's
nr_running.

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

diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 2881d42..026e959 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -2829,7 +2829,7 @@ enqueue_task_fair(struct rq *rq, struct task_struct *p, int flags)
 	}
 
 	if (!se) {
-		update_rq_runnable_avg(rq, rq->nr_running);
+		update_rq_runnable_avg(rq, rq->cfs.nr_running);
 		inc_nr_running(rq);
 	}
 	hrtick_update(rq);
-- 
1.7.12

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