Re: [patch 7/9] mm: thrash detection-based file cache sizing

Johannes Weiner
2013-11-26T20:58:26Z

On Tue, Nov 26, 2013 at 12:56:23PM +1100, Ryan Mallon wrote:
> > + * fault ------------------------+
> > + * |
> > + * +--------------+ | +-------------+
> > + * reclaim <- | inactive | <-+-- demotion | active | <--+
> > + * +--------------+ +-------------+ |
> > + * | |
> > + * +-------------- promotion ------------------+
> > + *
> > + *
> > + * Access frequency and refault distance
> > + *
> > + * A workload is trashing when its pages are frequently used but they
>
> "thrashing".

Thanks ;)