linux-kernel - [PATCH v1 06/19] sched: update source_load(), target_load() and weighted

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Message-Id: <1304299157-25769-7-git-send-email-ncrao@google.com>
Date:	Sun,  1 May 2011 18:19:04 -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 v1 06/19] 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 f2eb816..a49ef0e 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -1473,7 +1473,7 @@ 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;
 }
@@ -1485,10 +1485,10 @@ 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;
@@ -1500,10 +1500,10 @@ 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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