diff options
| author |   Ingo Molnar <mingo@elte.hu> | 2008-12-03 12:54:45 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-12-03 12:54:45 +0100 |
| commit | c36910c147fd7b129a8f1269c76b9767c99de5cd (patch) | |
| tree | 29403cd341b62581718f6b34944271980fb133e6 /kernel/sched.c | |
| parent | x86: fix broken flushing in GART nofullflush path (diff) | |
| parent | AMD IOMMU: fix possible race while accessing iommu->need_sync (diff) | |
| download | linux-dev-c36910c147fd7b129a8f1269c76b9767c99de5cd.tar.xz linux-dev-c36910c147fd7b129a8f1269c76b9767c99de5cd.zip | |
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.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/kernel/sched.c b/kernel/sched.c index 9b1e79371c20..b7480fb5c3dc 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; |