Re: [PATCH v9 0/5] make balloon pages movable by compaction

2012-08-27 Thread Rafael Aquini
On Sun, Aug 26, 2012 at 06:44:23PM +0300, Michael S. Tsirkin wrote: > > I am simply asking how was this patchset tested. > It would be nice to have this info in commit log. > Since this is an optimization patch it is strange > to see one with no numbers at all. > For example, you probably run some

Re: [PATCH v9 0/5] make balloon pages movable by compaction

2012-08-26 Thread Michael S. Tsirkin
On Sun, Aug 26, 2012 at 10:40:37AM -0400, Rik van Riel wrote: > On 08/26/2012 03:58 AM, Michael S. Tsirkin wrote: > >On Sat, Aug 25, 2012 at 02:24:55AM -0300, Rafael Aquini wrote: > >>Memory fragmentation introduced by ballooning might reduce significantly > >>the number of 2MB contiguous memory bl

Re: [PATCH v9 0/5] make balloon pages movable by compaction

2012-08-26 Thread Rik van Riel
On 08/26/2012 03:58 AM, Michael S. Tsirkin wrote: On Sat, Aug 25, 2012 at 02:24:55AM -0300, 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 penaltie

Re: [PATCH v9 0/5] make balloon pages movable by compaction

2012-08-26 Thread Michael S. Tsirkin
On Sat, Aug 25, 2012 at 02:24:55AM -0300, 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 v9 0/5] make balloon pages movable by compaction

2012-08-24 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