linux-kernel - Re: [PATCH][v2.6.29][XEN] Return unused memory to hypervisor

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Message-ID: <1906365519.636661252042169061.JavaMail.root@zmail06.collab.prod.int.phx2.redhat.com>
Date:	Fri, 4 Sep 2009 01:29:29 -0400 (EDT)
From:	Miroslav Rezanina <mrezanin@...hat.com>
To:	Jeremy Fitzhardinge <jeremy@...p.org>
Cc:	linux-kernel@...r.kernel.org, xen-devel@...ts.xensource.com
Subject: Re: [PATCH][v2.6.29][XEN] Return unused memory to hypervisor


----- "Jeremy Fitzhardinge" <jeremy@...p.org> wrote:

> From: "Jeremy Fitzhardinge" <jeremy@...p.org>
> To: "Miroslav Rezanina" <mrezanin@...hat.com>
> Cc: linux-kernel@...r.kernel.org, xen-devel@...ts.xensource.com
> Sent: Friday, September 4, 2009 1:26:24 AM GMT +01:00 Amsterdam / Berlin / Bern / Rome / Stockholm / Vienna
> Subject: Re: [PATCH][v2.6.29][XEN] Return unused memory to hypervisor
>
> On 08/19/09 06:05, Miroslav Rezanina wrote:
> > when running linux as XEN guest and use boot parameter mem= to set
> memory lower then is assigned to guest, not used memory should be
> returned to hypervisor as free. This is working with kernel available
> on xen.org pages, but is not working with kernel 2.6.29. Comparing
> both kernels I found code for returning unused memory to hypervisor is
> missing. Following patch add this functionality to 2.6.29 kernel.
> >   
> 
> Are you planning on submitting a revised patch along the lines I
> suggested?
> 
> Thanks,
>     J

Hi Jeremy,
yes, I'm planning so. Unfortunatelly, I had some more important tasks to do
so I was not able to rewrite patch as you suggested.

Mirek
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-- 
Miroslav Rezanina
Software Engineer - Virtualization Team - XEN kernel

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