* 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 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/