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SubjectRe: [PATCH v4 2/2] cgroups: add a pids subsystem
On Sun, Mar 08, 2015 at 11:34:05PM -0400, Tejun Heo wrote:
> > + for (p = pids; p; p = p->parent) {
> > + long new;
> > +
> > + new = atomic_long_add_return(num, &p->counter);
> > +
> > + if (p->limit == PIDS_UNLIMITED)
> > + continue;
>
> Huh? So, the counter stays out of sync if unlimited? What happens
> when it gets set to something else later?

Oops, I misread the code, but why is PIDS_UNLIMITED a special case?
Just make it a number which always makes the condition true?

Thanks.

--
tejun


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