On Tue, 2014-05-20 at 14:04 -0700, Tim Chen wrote: > On Tue, 2014-05-20 at 13:59 -0700, Tim Chen wrote: > > On Tue, 2014-05-20 at 13:51 -0700, Jason Low wrote: > > > On Tue, May 20, 2014 at 1:17 PM, Tim Chen <[email protected]> > > > wrote: > > > > diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c [] > > > If we want to do idle load balancing only when it is due for a > > > balance, shouldn't the above just be "if (time_after(jiffies, > > > rq->next_balance))"? > > > > If rq->next_balance and jiffies are equal, then > > time_after(jiffies, rq->next_balance) check will be false and > > you will not do balance. But actually you want to balance > > for this case so the jiffies+1 was used. > > So maybe I should switch the check to > if (time_before(rq->next_balance, jiffies))
time_after_eq() or time_is_after_eq_jiffies() -- 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/

