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Groups > linux.kernel > #1371507
| From | Peter Zijlstra <peterz@infradead.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [RFC v2 1/7] Track the active utilisation |
| Date | 2016-04-05 14:30 +0200 |
| Message-ID | <rkyhl-3jr-35@gated-at.bofh.it> (permalink) |
| References | <rj91E-6gd-5@gated-at.bofh.it> <rj9bk-6jH-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Fri, Apr 01, 2016 at 05:12:27PM +0200, Luca Abeni wrote:
> @@ -1210,6 +1232,8 @@ static void task_fork_dl(struct task_struct *p)
> static void task_dead_dl(struct task_struct *p)
> {
> struct dl_bw *dl_b = dl_bw_of(task_cpu(p));
> + struct dl_rq *dl_rq = dl_rq_of_se(&p->dl);
> + struct rq *rq = rq_of_dl_rq(dl_rq);
>
> /*
> * Since we are TASK_DEAD we won't slip out of the domain!
> @@ -1218,6 +1242,9 @@ static void task_dead_dl(struct task_struct *p)
> /* XXX we should retain the bw until 0-lag */
> dl_b->total_bw -= p->dl.dl_bw;
> raw_spin_unlock_irq(&dl_b->lock);
> +
> + if (task_on_rq_queued(p))
> + sub_running_bw(&p->dl, &rq->dl);
> }
>
A dead task cannot be running, not be queued, right? ISTR you remove
this hunk in a later patch as well.
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Re: [RFC v2 1/7] Track the active utilisation Peter Zijlstra <peterz@infradead.org> - 2016-04-05 14:30 +0200 Re: [RFC v2 1/7] Track the active utilisation luca abeni <luca.abeni@unitn.it> - 2016-04-05 18:50 +0200
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