Re: [Xen-devel] Linux Xen Balloon Driver Improvement (Draft 2)

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Mon, Dec 15, 2014 at 10:52:40AM +0000, David Vrabel wrote:
> On 27/10/14 12:33, Wei Liu wrote:
> > 
> > ### Periodically exchange normal size pages with huge pages
> > 
> > Worker thread wakes up periodically to check if there are enough pages
> > in normal size page queue to coalesce into a huge page. If so, it will
> > try to exchange that huge page into a number of normal size pages with
> > XENMEM\_exchange hypercall.
> 
> As Andrew recently pointed out[1], changes to a guest's p2m are not
> properly handled during migration.  This would have to be fixed before
> we can have any sort of background memory exchange process.
> 

Thanks for the pointer. I read that thread already.

Wei.

> David
> 
> [1] http://lists.xen.org/archives/html/xen-devel/2014-11/msg01954.html

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
http://lists.xen.org/xen-devel