Re: [Qemu-devel] [PATCH v5 45/45] Inhibit ballooning during postcopy

2015-03-23 Thread David Gibson
On Mon, Mar 23, 2015 at 12:21:50PM +, Dr. David Alan Gilbert wrote: > * David Gibson (da...@gibson.dropbear.id.au) wrote: > > On Wed, Feb 25, 2015 at 04:52:08PM +, Dr. David Alan Gilbert (git) > > wrote: > > > From: "Dr. David Alan Gilbert" > > > > > > The userfault mechanism used for po

Re: [Qemu-devel] [PATCH v5 45/45] Inhibit ballooning during postcopy

2015-03-23 Thread Dr. David Alan Gilbert
* David Gibson (da...@gibson.dropbear.id.au) wrote: > On Wed, Feb 25, 2015 at 04:52:08PM +, Dr. David Alan Gilbert (git) wrote: > > From: "Dr. David Alan Gilbert" > > > > The userfault mechanism used for postcopy generates faults > > for us on pages that are 'not present', inflating a balloon

Re: [Qemu-devel] [PATCH v5 45/45] Inhibit ballooning during postcopy

2015-03-22 Thread David Gibson
On Wed, Feb 25, 2015 at 04:52:08PM +, Dr. David Alan Gilbert (git) wrote: > From: "Dr. David Alan Gilbert" > > The userfault mechanism used for postcopy generates faults > for us on pages that are 'not present', inflating a balloon in > the guest causes host pages to be marked as 'not present