linux-kernel - RE: [Xen-devel] Re: GSoC 2010 - Migration from memory ballooning tomemory hotplug in Xen

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Message-ID: <AEC6C66638C05B468B556EA548C1A77D01A0A5F4@trantor>
Date:	Sat, 10 Jul 2010 15:17:57 +1000
From:	"James Harper" <james.harper@...digoit.com.au>
To:	"Daniel Kiper" <dkiper@...-space.pl>
Cc:	"Andi Kleen" <andi@...stfloor.org>, <jeremy@...p.org>,
	<xen-devel@...ts.xensource.com>, <linux-kernel@...r.kernel.org>
Subject: RE: [Xen-devel] Re: GSoC 2010 - Migration from memory ballooning tomemory hotplug in Xen

> 
> On Fri, Jul 09, 2010 at 08:58:01AM +1000, James Harper wrote:
> > > While you can do that the value is not very large because you
> > > could just start the guests with more memory, but ballooned in
> > > the first place (so that they don't actually use it)
> >
> > I think hotplug is a better method for adding memory for Windows.
> 
> Maybe in the future I write somthing for Windows...
> 

For Windows, I believe you would need to emulate actual hotplug of
memory like a physical machine, using ACPI. It's only supported on
Enterprise versions of Windows too.

James
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