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SubjectRe: [PATCH v2 0/4] make balloon pages movable by compaction
On Fri, Jun 29, 2012 at 02:01:52PM +0930, Rusty Russell wrote:
> 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>

Thanks Rusty!

I'll be respinning a v3 to address some extra suggestions Mel did, so if you
have any concern that you'd like me to address, do not hesitate on letting me
know!

Cheers!
Rafael


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