* Srivatsa Vaddagiri <[email protected]> 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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