linux-kernel - [PATCH v2 1/3] sched: cleanup set_load

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Date:	Wed, 18 May 2011 10:09:38 -0700
From:	Nikhil Rao <ncrao@...gle.com>
To:	Ingo Molnar <mingo@...e.hu>, Peter Zijlstra <peterz@...radead.org>,
	Mike Galbraith <efault@....de>
Cc:	linux-kernel@...r.kernel.org,
	"Nikunj A. Dadhania" <nikunj@...ux.vnet.ibm.com>,
	Srivatsa Vaddagiri <vatsa@...ux.vnet.ibm.com>,
	Stephan Barwolf <stephan.baerwolf@...ilmenau.de>,
	Nikhil Rao <ncrao@...gle.com>
Subject: [PATCH v2 1/3] sched: cleanup set_load_weight()

Avoid using long repetitious names; make this simpler and nicer to read. No
functional change introduced in this patch.

Signed-off-by: Nikhil Rao <ncrao@...gle.com>
---
 kernel/sched.c |   11 +++++++----
 1 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/kernel/sched.c b/kernel/sched.c
index c62acf4..d036048 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -1778,17 +1778,20 @@ static void dec_nr_running(struct rq *rq)
 
 static void set_load_weight(struct task_struct *p)
 {
+	int prio = p->static_prio - MAX_RT_PRIO;
+	struct load_weight *load = &p->se.load;
+
 	/*
 	 * SCHED_IDLE tasks get minimal weight:
 	 */
 	if (p->policy == SCHED_IDLE) {
-		p->se.load.weight = WEIGHT_IDLEPRIO;
-		p->se.load.inv_weight = WMULT_IDLEPRIO;
+		load->weight = WEIGHT_IDLEPRIO;
+		load->inv_weight = WMULT_IDLEPRIO;
 		return;
 	}
 
-	p->se.load.weight = prio_to_weight[p->static_prio - MAX_RT_PRIO];
-	p->se.load.inv_weight = prio_to_wmult[p->static_prio - MAX_RT_PRIO];
+	load->weight = prio_to_weight[prio];
+	load->inv_weight = prio_to_wmult[prio];
 }
 
 static void enqueue_task(struct rq *rq, struct task_struct *p, int flags)
-- 
1.7.3.1

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