On Mon, Jun 23, 2014 at 09:40:45AM -0700, Tim Chen wrote: > > @@ -5886,7 +5886,7 @@ static inline void update_sg_lb_stats(st > > > > sgs->group_load += load; > > sgs->sum_nr_running += rq->nr_running; > > - if (overload && rq->nr_running > 1) > > + if (rq->nr_running > 1) > > *overload = true; > > #ifdef CONFIG_NUMA_BALANCING > > sgs->nr_numa_running += rq->nr_numa_running;
> With this change, we'll be returning the overload indicator > that we don't use for non-root domains, which will be > extra work in sg_lb_stats as it loops through each rq checking > the nr_running to update the indicator. I was hoping to avoid > that if possible. What extra work? We already load nr_running and overloaded is on-stack and should be quite dirty already due to that. -- 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/

