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    SubjectRe: [patch 0/6] Guest page hinting version 7.
    Jeremy Fitzhardinge wrote:

    > That said, people have been looking at tracking block IO to work out
    > when it might be useful to try and share pages between guests under Xen.

    Tracking block IO seems like a bass-ackwards way to figure
    out what the contents of a memory page are.

    The KVM KSM code has a simpler, yet still efficient, way of
    figuring out which memory pages can be shared.

    --
    All rights reversed.


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