Messages in this thread | | | Date | Thu, 06 Aug 2009 09:11:29 -0400 | From | Rik van Riel <> | Subject | Re: [RFC] respect the referenced bit of KVM guest pages? |
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Wu Fengguang wrote:
> This is a quick hack to materialize the idea. It remembers roughly > the last 32*SWAP_CLUSTER_MAX=1024 active (mapped) pages scanned, > and if _all of them_ are referenced, then the referenced bit is > probably meaningless and should not be taken seriously.
This has the potential to increase the number of active pages scanned by almost a factor 1024. Let me whip up an alternative idea when I get to the office later today.
-- All rights reversed.
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