linux-kernel - [PATCH 9/7] sched,numa: remove task_h_load from task_numa

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Message-ID: <20140624151454.2a05082e@annuminas.surriel.com>
Date:	Tue, 24 Jun 2014 15:14:54 -0400
From:	Rik van Riel <riel@...hat.com>
To:	linux-kernel@...r.kernel.org
Cc:	chegu_vinod@...com, peterz@...radead.com, mgorman@...e.de,
	mingo@...nel.org
Subject: [PATCH 9/7] sched,numa: remove task_h_load from task_numa_compare

The function effective_load already makes the calculations that
task_h_load makes. Making them twice can throw off the calculations,
and is generally a bad idea.

Signed-off-by: Rik van Riel <riel@...hat.com>
---
 kernel/sched/fair.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 1aaa3b4..318a275 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -1227,7 +1227,7 @@ static void task_numa_compare(struct task_numa_env *env,
 	dst_load = env->dst_stats.load;
 
 	/* Calculate the effect of moving env->p from src to dst. */
-	load = task_h_load(env->p);
+	load = env->p->se.load.weight;
 	tg = task_group(env->p);
 	src_load += effective_load(tg, env->src_cpu, -load, -load);
 	dst_load += effective_load(tg, env->dst_cpu, load, load);
@@ -1251,7 +1251,7 @@ static void task_numa_compare(struct task_numa_env *env,
 
 	if (cur) {
 		/* Cur moves in the opposite direction. */
-		load = task_h_load(cur);
+		load = cur->se.load.weight;
 		tg = task_group(cur);
 		src_load += effective_load(tg, env->src_cpu, load, load);
 		dst_load += effective_load(tg, env->dst_cpu, -load, -load);
--
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