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SubjectRe: [PATCH v2 0/4] make balloon pages movable by compaction
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On Thu, 28 Jun 2012 18:49:38 -0300, Rafael Aquini <aquini@redhat.com> wrote:
> This patchset follows the main idea discussed at 2012 LSFMMS section:
> "Ballooning for transparent huge pages" -- http://lwn.net/Articles/490114/
>
> to introduce the required changes to the virtio_balloon driver, as well as
> changes to the core compaction & migration bits, in order to allow
> memory balloon pages become movable within a guest.
>
> Rafael Aquini (4):
> mm: introduce compaction and migration for virtio ballooned pages
> virtio_balloon: handle concurrent accesses to virtio_balloon struct
> elements
> virtio_balloon: introduce migration primitives to balloon pages
> mm: add vm event counters for balloon pages compaction
>
> drivers/virtio/virtio_balloon.c | 142 +++++++++++++++++++++++++++++++++++----
> include/linux/mm.h | 16 +++++
> include/linux/virtio_balloon.h | 6 ++
> include/linux/vm_event_item.h | 2 +
> mm/compaction.c | 111 ++++++++++++++++++++++++------
> mm/migrate.c | 32 ++++++++-
> mm/vmstat.c | 4 ++
> 7 files changed, 280 insertions(+), 33 deletions(-)
>
>
> V2: address Mel Gorman's review comments

If Mel is happy, I am happy. Seems sensible that the virtio_baloon
changes go in at the same time as the mm changes, so:

Acked-by: Rusty Russell <rusty@rustcorp.com.au>

Cheers,
Rusty.


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