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    SubjectRe: [PATCH v7 1/4] mm: introduce compaction and migration for virtio ballooned pages
    On Fri, Aug 10, 2012 at 02:55:14PM -0300, Rafael Aquini wrote:
    > Memory fragmentation introduced by ballooning might reduce significantly
    > the number of 2MB contiguous memory blocks that can be used within a guest,
    > thus imposing performance penalties associated with the reduced number of
    > transparent huge pages that could be used by the guest workload.
    > This patch introduces the helper functions as well as the necessary changes
    > to teach compaction and migration bits how to cope with pages which are
    > part of a guest memory balloon, in order to make them movable by memory
    > compaction procedures.
    > Signed-off-by: Rafael Aquini <>
    Reviewed-by: Minchan Kim <>

    Kind regards,
    Minchan Kim

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