linux-kernel - [RFC][Patch 06/18] sched: update source_load(), target_load() and weighted

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Message-Id: <1303332697-16426-7-git-send-email-ncrao@google.com>
Date:	Wed, 20 Apr 2011 13:51:25 -0700
From:	Nikhil Rao <ncrao@...gle.com>
To:	Ingo Molnar <mingo@...e.hu>, Peter Zijlstra <peterz@...radead.org>
Cc:	Paul Turner <pjt@...gle.com>, Mike Galbraith <efault@....de>,
	linux-kernel@...r.kernel.org, Nikhil Rao <ncrao@...gle.com>
Subject: [RFC][Patch 06/18] sched: update source_load(), target_load() and weighted_cpuload() to use u64

source_load(), target_load() and weighted_cpuload() refer to values in
rq->cpu_load, which is now u64. Update these functions to return u64 as well.

Signed-off-by: Nikhil Rao <ncrao@...gle.com>
---
 kernel/sched.c |   10 +++++-----
 1 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/kernel/sched.c b/kernel/sched.c
index 175764b..f0adb0e 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -1474,7 +1474,7 @@ static int tg_nop(struct task_group *tg, void *data)
 
 #ifdef CONFIG_SMP
 /* Used instead of source_load when we know the type == 0 */
-static unsigned long weighted_cpuload(const int cpu)
+static u64 weighted_cpuload(const int cpu)
 {
 	return cpu_rq(cpu)->load.weight;
 }
@@ -1486,10 +1486,10 @@ static unsigned long weighted_cpuload(const int cpu)
  * We want to under-estimate the load of migration sources, to
  * balance conservatively.
  */
-static unsigned long source_load(int cpu, int type)
+static u64 source_load(int cpu, int type)
 {
 	struct rq *rq = cpu_rq(cpu);
-	unsigned long total = weighted_cpuload(cpu);
+	u64 total = weighted_cpuload(cpu);
 
 	if (type == 0 || !sched_feat(LB_BIAS))
 		return total;
@@ -1501,10 +1501,10 @@ static unsigned long source_load(int cpu, int type)
  * Return a high guess at the load of a migration-target cpu weighted
  * according to the scheduling class and "nice" value.
  */
-static unsigned long target_load(int cpu, int type)
+static u64 target_load(int cpu, int type)
 {
 	struct rq *rq = cpu_rq(cpu);
-	unsigned long total = weighted_cpuload(cpu);
+	u64 total = weighted_cpuload(cpu);
 
 	if (type == 0 || !sched_feat(LB_BIAS))
 		return total;
-- 
1.7.3.1

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