On Fri, Jun 02, 2023 at 12:39:04PM +0200, Michal Hocko wrote:
> On Tue 30-05-23 11:52:36, Marcelo Tosatti wrote:
> > @@ -2022,6 +2023,16 @@ static void vmstat_shepherd(struct work_
> > for_each_online_cpu(cpu) {
> > struct delayed_work *dw = &per_cpu(vmstat_work, cpu);
> >
> > + /*
> > + * Skip periodic updates for nohz full CPUs.
> > + * Any callers who need precise values should use
> > + * a snapshot of the per-CPU counters, or use the global
> > + * counters with measures to handle errors up to
> > + * thresholds (see calculate_normal_threshold).
> > + */
> > + if (tick_nohz_full_cpu(cpu))
> > + continue;
>
> In other code path we have used cpu_is_isolated, is there any reason to
> diverge from that here? Isn't this effectivelly the same kind of
> problem?
Changed to cpu_is_isolated, thanks.
