Re: [patch] CFS scheduler, -v6

[Ingo Molnar]

* Srivatsa Vaddagiri <vatsa@xxxxxxxxxx> wrote:

> On Wed, Apr 25, 2007 at 11:47:04PM +0200, Ingo Molnar wrote:
> > The CFS patch against v2.6.21-rc7 or against v2.6.20.7 can be downloaded 
> > from the usual place:
> > 
> >     http://redhat.com/~mingo/cfs-scheduler/
> 
> +static inline struct rb_node * first_fair(struct rq *rq)
> +{
> +	if (rq->rb_leftmost)
> +		return rq->rb_leftmost;
> +	return rb_first(&rq->tasks_timeline);
> +}
> 
> Won't it help if you update rq->rb_leftmost above from the value 
> returned by rb_first(), so that subsequent calls to first_fair will be 
> sped up?

yeah, indeed. Would you like to do a patch for that?

	Ingo
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