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Message-ID: <20071026114909.5a6a5b4e@bree.surriel.com> Date: Fri, 26 Oct 2007 11:49:09 -0400 From: Rik van Riel <riel@...hat.com> To: Peter Zijlstra <a.p.zijlstra@...llo.nl> Cc: Ingo Molnar <mingo@...e.hu>, Martin Knoblauch <spamtrap@...bisoft.de>, linux-kernel@...r.kernel.org, Fengguang Wu <wfg@...l.ustc.edu.cn>, Andrew Morton <akpm@...ux-foundation.org>, Linus Torvalds <torvalds@...ux-foundation.org> Subject: Re: 2.6.24-rc1: First impressions On Fri, 26 Oct 2007 17:29:00 +0200 Peter Zijlstra <a.p.zijlstra@...llo.nl> wrote: > > wow, really nice results! Peter does know how to make stuff fast :) > > Now lets pick up some of Peter's other, previously discarded > > patches as well :-) > > > > Such as the rewritten reclaim (clockpro) patches: > > > > http://programming.kicks-ass.net/kernel-patches/page-replace/ > > I think riel is taking over that stuff with his split vm and policies > per type. I am. Taking every single reference to a page into account simply won't scale to systems with 1TB of RAM. This is why I am working on implementing: http://linux-mm.org/PageReplacementDesign At the moment I only have the basic "plumbing" of the split VM working and am fixing some bugs in that. Expect a patch series with that soon, so you guys can review that code and tell me where to beat it into shape some more :) After that I will work on the policy bits, where we can really get performance benefits. The patch series should be mergeable in smaller increments, so we can take things slowly if desired. -- "Debugging is twice as hard as writing the code in the first place. Therefore, if you write the code as cleverly as possible, you are, by definition, not smart enough to debug it." - Brian W. Kernighan - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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