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Date: Fri, 1 May 2009 13:45:28 -0700 From: Andrew Morton <akpm@...ux-foundation.org> To: Rik van Riel <riel@...hat.com> Cc: elladan@...imo.com, peterz@...radead.org, linux-kernel@...r.kernel.org, tytso@....edu, kosaki.motohiro@...fujitsu.com, linux-mm@...ck.org Subject: Re: [PATCH] vmscan: evict use-once pages first (v2) On Fri, 01 May 2009 16:05:55 -0400 Rik van Riel <riel@...hat.com> wrote: > Are you open to evaluating other methods that could lead, on > desktop systems, to a behaviour similar to the one achieved > by the preserve-mapped-pages mechanism? Well.. it's more a matter of retaining what we've learnt (unless we feel it's wrong, or technilogy change broke it) and carefully listening to and responding to what's happening in out-there land. The number of problem reports we're seeing from the LRU changes is pretty low. Hopefully that's because the number of problems _is_ low. Given the low level of problem reports, the relative immaturity of the code and our difficulty with determining what effect our changes will have upon everyone, I'd have thought that sit-tight-and-wait-and-see would be the prudent approach for the next few months. otoh if you have a change and it proves good in your testing then sure, sooner rather than later. There, that was nice and waffly. I still haven't forgotten prev_priority tho! -- 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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