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authorIngo Molnar <mingo@elte.hu>2008-12-03 12:54:45 +0100
committerIngo Molnar <mingo@elte.hu>2008-12-03 12:54:45 +0100
commitc36910c147fd7b129a8f1269c76b9767c99de5cd (patch)
tree29403cd341b62581718f6b34944271980fb133e6 /kernel/sched.c
parent70d7d357578245f1993fd2d3ccd26088bcd38941 (diff)
parent09ee17eb8ea89514c13980c4010bdbbaea8630c2 (diff)
Merge branch 'iommu-fixes-2.6.28' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/linux-2.6-iommu into x86/urgent
Diffstat (limited to 'kernel/sched.c')
-rw-r--r--kernel/sched.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/kernel/sched.c b/kernel/sched.c
index 9b1e79371c2..b7480fb5c3d 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -1453,9 +1453,10 @@ static int task_hot(struct task_struct *p, u64 now, struct sched_domain *sd);
static unsigned long cpu_avg_load_per_task(int cpu)
{
struct rq *rq = cpu_rq(cpu);
+ unsigned long nr_running = ACCESS_ONCE(rq->nr_running);
- if (rq->nr_running)
- rq->avg_load_per_task = rq->load.weight / rq->nr_running;
+ if (nr_running)
+ rq->avg_load_per_task = rq->load.weight / nr_running;
else
rq->avg_load_per_task = 0;