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SubjectRe: Performance regression of specjbb2005/aim7 with 2.6.29-rc1
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On Thu, 2009-01-15 at 10:30 +0800, Lin Ming wrote:

> diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c
> index 8e1352c..617e54c 100644
> --- a/kernel/sched_fair.c
> +++ b/kernel/sched_fair.c
> @@ -429,10 +429,10 @@ static u64 sched_slice(struct cfs_rq *cfs_rq, struct sched_entity *se)
> u64 slice = __sched_period(cfs_rq->nr_running + !se->on_rq);
>
> for_each_sched_entity(se) {
> - struct load_weight *load = &cfs_rq->load;
> + struct load_weight *load = &cfs_rq_of(se)->load;
>
> if (unlikely(!se->on_rq)) {
> - struct load_weight lw = cfs_rq->load;
> + struct load_weight lw = cfs_rq_of(se)->load;
>
> update_load_add(&lw, se->load.weight);
> load = &lw;
>

I was wrong, this does look good.

Thanks



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