On Tue, 2019-07-30 at 11:36 +0200, Peter Zijlstra wrote:
> On Mon, Jul 22, 2019 at 01:33:43PM -0400, Rik van Riel wrote:
> > @@ -3870,6 +3873,24 @@ static inline void
> > check_schedstat_required(void)
> > * CPU and an up-to-date min_vruntime on the destination CPU.
> > */
> >
> > +static bool
> > +enqueue_entity_groups(struct cfs_rq *cfs_rq, struct sched_entity
> > *se, int flags)
> > +{
> > + /*
> > + * When enqueuing a sched_entity, we must:
> > + * - Update loads to have both entity and cfs_rq synced with
> > now.
> > + * - Add its load to cfs_rq->runnable_avg
> > + * - For group_entity, update its weight to reflect the new
> > share of
> > + * its group cfs_rq
> > + * - Add its new weight to cfs_rq->load.weight
> > + */
> > + if (!update_load_avg(cfs_rq, se, UPDATE_TG | DO_ATTACH))
> > + return false;
> > +
> > + update_cfs_group(se);
> > + return true;
> > +}
> >
>
> No functional, but you did make update_cfs_group() conditional. Now
> that
> looks OK, but maybe you can do that part in a separate patch with a
> little justification of its own.Good idea, I will split that out. -- All Rights Reversed.
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