Re: [patch 0/5] refault distance-based file cache sizing

[Nai Xia <nai.xia@xxxxxxxxx>]

On 2012年05月17日 21:11, Rik van Riel wrote:
> On 05/16/2012 01:25 AM, nai.xia wrote:
> > Hi Johannes,
> >
> > Just out of curiosity(since I didn't study deep into the
> > reclaiming algorithms), I can recall from here that around 2005,
> > there was an(or some?) implementation of the "Clock-pro" algorithm
> > which also have the idea of "reuse distance", but it seems that algo
> > did not work well enough to get merged?
>
> The main issue with clock-pro was scalability.
>
> Johannes has managed to take the good parts of clock-pro,
> and add it on top of our split lru VM, which lets us keep
> the scalability, while still being able to deal with file
> faults from beyond the inactive list.

Hmm, I see. Thanks for the reply.

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