linux-kernel - [PATCH TRIVIAL] sched/fair: simple cleanup in update_sg_lb

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Date:	Wed, 16 Oct 2013 11:05:27 +0530
From:	Kamalesh Babulal <kamalesh@...ux.vnet.ibm.com>
To:	linux-kernel@...r.kernel.org
Cc:	peterz@...radead.org, mingn@...hat.com
Subject: [PATCH TRIVIAL] sched/fair: simple cleanup in update_sg_lb_stats()

Add rq->nr_running to sgs->sum_nr_running directly instead of
assigning it through an intermediate variable nr_running.

Signed-off-by: Kamalesh Babulal <kamalesh@...ux.vnet.ibm.com>
---
 kernel/sched/fair.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 4aa0b10889d0..c7ebad6c40af 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -5465,7 +5465,6 @@ static inline void update_sg_lb_stats(struct lb_env *env,
 			struct sched_group *group, int load_idx,
 			int local_group, struct sg_lb_stats *sgs)
 {
-	unsigned long nr_running;
 	unsigned long load;
 	int i;
 
@@ -5474,8 +5473,6 @@ static inline void update_sg_lb_stats(struct lb_env *env,
 	for_each_cpu_and(i, sched_group_cpus(group), env->cpus) {
 		struct rq *rq = cpu_rq(i);
 
-		nr_running = rq->nr_running;
-
 		/* Bias balancing toward cpus of our domain */
 		if (local_group)
 			load = target_load(i, load_idx);
@@ -5483,7 +5480,7 @@ static inline void update_sg_lb_stats(struct lb_env *env,
 			load = source_load(i, load_idx);
 
 		sgs->group_load += load;
-		sgs->sum_nr_running += nr_running;
+		sgs->sum_nr_running += rq->nr_running;
 #ifdef CONFIG_NUMA_BALANCING
 		sgs->nr_numa_running += rq->nr_numa_running;
 		sgs->nr_preferred_running += rq->nr_preferred_running;
-- 
1.8.4.474.g128a96c

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