Re: [2.6.16-rc6 patch] fix interactive task starvation

From: Mike Galbraith
Date: Sat Mar 18 2006 - 02:45:52 EST


On Fri, 2006-03-17 at 23:33 -0800, Andrew Morton wrote:
> > +static int expired_starving(runqueue_t *rq)
>
> I'll make that inline..
>

Oops, I understood you to want that uninlined.

> > +{
> > + int limit;
> > +
> > + /*
> > + * Arrays were recently switched, all is well.
> > + */
> > + if (!rq->expired_timestamp)
> > + return 0;
> > +
> > + limit = STARVATION_LIMIT * rq->nr_running;
>
> In the previous iteration you had, effectively,
>
> if (!limit)
> return 0;
>
> in here. But it's now gone. Deliberate?

Yes. I see no way for it to be zero. I think that was just a leftover.

-Mike

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