On Thu, 14 Feb 2019 14:31:57 -0500 Johannes Weiner <han...@cmpxchg.org> wrote:
> --- a/kernel/sched/psi.c > +++ b/kernel/sched/psi.c > @@ -322,7 +322,7 @@ static bool update_stats(struct psi_group *group) > expires = group->next_update; > if (now < expires) > goto out; > - if (now - expires > psi_period) > + if (now - expires >= psi_period) > missed_periods = div_u64(now - expires, psi_period); > > /* It seems appropriate to use time_after64() and friends in this code.