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From: Kirill Tkhai <ktkhai@parallels.com>
To: <linux-kernel@vger.kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>,
	Ingo Molnar <mingo@redhat.com>, <tkhai@yandex.ru>
Subject: [PATCH 2/5] sched/fair: cleanup: Remove useless assignment in select_task_rq_fair()
Date: Fri, 12 Sep 2014 17:41:16 +0400
Message-ID: <1410529276.3569.24.camel@tkhai> (raw)
In-Reply-To: <20140912132709.26840.4893.stgit@tkhai>


new_cpu is reassigned below, so we do not need this here.

Signed-off-by: Kirill Tkhai <ktkhai@parallels.com>
---
 kernel/sched/fair.c |    7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index be9e97b..3d1c08a 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -4513,11 +4513,8 @@ select_task_rq_fair(struct task_struct *p, int prev_cpu, int sd_flag, int wake_f
 	if (p->nr_cpus_allowed == 1)
 		return prev_cpu;
 
-	if (sd_flag & SD_BALANCE_WAKE) {
-		if (cpumask_test_cpu(cpu, tsk_cpus_allowed(p)))
-			want_affine = 1;
-		new_cpu = prev_cpu;
-	}
+	if (sd_flag & SD_BALANCE_WAKE)
+		want_affine = cpumask_test_cpu(cpu, tsk_cpus_allowed(p));
 
 	rcu_read_lock();
 	for_each_domain(cpu, tmp) {




  parent reply index

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20140912132709.26840.4893.stgit@tkhai>
2014-09-12 13:40 ` [PATCH 1/5] cleanup, treewide: Remove set_current_state(TASK_RUNNING) after schedule Kirill Tkhai
2014-09-19 11:44   ` [tip:sched/core] sched, cleanup, treewide: Remove set_current_state(TASK_RUNNING) after schedule() tip-bot for Kirill Tkhai
2014-09-12 13:41 ` Kirill Tkhai [this message]
2014-09-19 11:45   ` [tip:sched/core] sched/fair: cleanup: Remove useless assignment in select_task_rq_fair() tip-bot for Kirill Tkhai
2014-09-12 13:41 ` [PATCH 3/5] sched/core: Use put_prev_task() accessor where possible Kirill Tkhai
2014-09-19 11:45   ` [tip:sched/core] " tip-bot for Kirill Tkhai
2014-09-12 13:42 ` [PATCH 4/5] sched/rt: Remove useless if from cleanup pick_next_task_rt() Kirill Tkhai
2014-09-19 11:45   ` [tip:sched/core] " tip-bot for Kirill Tkhai
2014-09-12 13:42 ` [PATCH 5/5] sched/dl: Simplify pick_dl_task() Kirill Tkhai
2014-09-19 11:46   ` [tip:sched/core] " tip-bot for Kirill Tkhai

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