Re: [PATCH v11 4/7] mm: introduce compaction and migration for ballooned pages

2012-11-27 Thread Rafael Aquini
On Tue, Nov 20, 2012 at 03:33:24PM -0800, Andrew Morton wrote: > On Fri, 9 Nov 2012 12:16:02 + > Mel Gorman wrote: > > > On Wed, Nov 07, 2012 at 01:05:51AM -0200, Rafael Aquini wrote: > > > Memory fragmentation introduced by ballooning might reduce significantly > > > the number of 2MB contig

Re: [PATCH v11 4/7] mm: introduce compaction and migration for ballooned pages

2012-11-20 Thread Andrew Morton
On Fri, 9 Nov 2012 12:16:02 + Mel Gorman wrote: > On Wed, Nov 07, 2012 at 01:05:51AM -0200, 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 perfo

Re: [PATCH v11 4/7] mm: introduce compaction and migration for ballooned pages

2012-11-09 Thread Mel Gorman
On Wed, Nov 07, 2012 at 01:05:51AM -0200, 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 > trans

[PATCH v11 4/7] mm: introduce compaction and migration for ballooned pages

2012-11-06 Thread Rafael Aquini
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