On Mon, Aug 08, 2011 at 10:26:52PM +0800, Peter Zijlstra wrote:
> On Mon, 2011-08-08 at 22:23 +0800, Wu Fengguang wrote:
> > + preempt_disable();
> > + p = &__get_cpu_var(dirty_leaks);
>
> p = &get_cpu_var(dirty_leaks);
>
> > + if (*p > 0 && current->nr_dirtied < ratelimit) {
> > + nr_pages_dirtied = min(*p, ratelimit - current->nr_dirtied);
> > + *p -= nr_pages_dirtied;
> > + current->nr_dirtied += nr_pages_dirtied;
> > + }
> > + preempt_enable();
>
> put_cpu_var(dirty_leads);
Good to know these, thanks!
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