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Re: [Xen-devel] Re: how to balloon memory with a Windows guest domainun

To: Pasi Kärkkäinen <pasik@xxxxxx>
Subject: Re: [Xen-devel] Re: how to balloon memory with a Windows guest domainunder Xen
From: Niu Yan <vivian.niu@xxxxxxxxx>
Date: Thu, 10 Dec 2009 21:29:32 +0800
Cc: George Dunlap <george.dunlap@xxxxxxxxxxxxx>, James Harper <james.harper@xxxxxxxxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>
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I just want to balloon the memory of Windows guest,  it seems that neither GPLpv driver nor  Citrix/XCP Windows PV drivers  includs it.
who ever has tried it?
On Thu, Dec 10, 2009 at 8:24 PM, Pasi Kärkkäinen <pasik@xxxxxx> wrote:
On Thu, Dec 10, 2009 at 10:52:28AM +0000, George Dunlap wrote:
> James Harper wrote:
> >>To balloon a Windows guest, you need a balloon driver installed in
> >>Windows.  You can find them here:
> >> http://wiki.xensource.com/xenwiki/XenWindowsGplPv
> >>
> >
> >The code to support ballooning isn't really working yet. It's on my list
> >of things to do but hasn't been high priority at this point.
> >
> In that case, you might look at the binary Citrix drivers provided along
> with the Xen Cloud Edition.  I believe the installer can be found on the
> main iso available on the xen.org website.  However, I've never
> installed them, and there may be some extra steps required to get them
> working.

Here's the patch to Xen that enables Citrix/XCP Windows PV drivers to
work on "normal" Xen:


If you don't want to patch your Xen, check out these emails:

(For the manual Xenstore change, and the Windows registry change).

-- Pasi

Best regards,
Niu Yan

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