Re: [PATCH 1/4] mm: introduce compaction and migration for virtioballooned pages

[Rik van Riel]

On 06/25/2012 07:25 PM, Rafael Aquini wrote:
> This patch introduces helper functions that 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<aquini@xxxxxxxxxx>

The function fill_balloon in drivers/virtio/virtio_balloon.c
should probably add __GFP_MOVABLE to the gfp mask for alloc_pages,
to keep the pageblock where balloon pages are allocated marked
as movable.

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