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SubjectRe: [patch] CFS scheduler, -v18
On 7/2/07, Ingo Molnar <mingo@elte.hu> wrote:
> thx. As an initial matter, could you double-check whether your v18
> kernel source has the patch below applied already?
>
> Ingo
>
> Index: linux/kernel/sched_fair.c
> ===================================================================
> --- linux.orig/kernel/sched_fair.c
> +++ linux/kernel/sched_fair.c
> @@ -342,8 +342,9 @@ update_stats_enqueue(struct cfs_rq *cfs_
> s64 tmp;
>
> if (se->wait_runtime < 0) {
> - tmp = (0 - se->wait_runtime) << NICE_0_SHIFT;
> - key += (tmp * se->load.inv_weight) >> WMULT_SHIFT;
> + tmp = -se->wait_runtime;
> + key += (tmp * se->load.inv_weight) >>
> + (WMULT_SHIFT - NICE_0_SHIFT);
> } else {
> tmp = se->wait_runtime * se->load.weight;
> key -= tmp >> NICE_0_SHIFT;
>
>

It does.

Vegard
-
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