lkml.org 
[lkml]   [2012]   [Jun]   [26]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 1/4] mm: introduce compaction and migration for virtio ballooned pages
On Tue, Jun 26, 2012 at 09:17:43AM -0400, Rik van Riel wrote:
> 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@redhat.com>
>
> 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.
>

You're right, but patch 3 is already doing that at the same time the
migration primitives are introduced. It does mean the full series has to
be applied to do anything but I think it's bisect safe.

--
Mel Gorman
SUSE Labs


\
 
 \ /
  Last update: 2012-06-26 16:01    [W:1.103 / U:0.012 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site