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Re: [Xen-devel] Re: [PATCH][v2.6.29][XEN] Return unused memory to hyperv

To: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
Subject: Re: [Xen-devel] Re: [PATCH][v2.6.29][XEN] Return unused memory to hypervisor
From: Miroslav Rezanina <mrezanin@xxxxxxxxxx>
Date: Thu, 17 Sep 2009 04:14:01 -0400 (EDT)
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
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Hi Jeremy,
I check your application. It won't work correctly. You are calling 
return_unused_memory in xen_memory_setup that is too soon.
When you are calling it, there is no hole in map in any case. Calling should be 
in xen_post_allocator_init function (in arch/x86/xen/mmu.c).

Mirek
----- "Jeremy Fitzhardinge" <jeremy@xxxxxxxx> wrote:

> From: "Jeremy Fitzhardinge" <jeremy@xxxxxxxx>
> To: "Miroslav Rezanina" <mrezanin@xxxxxxxxxx>
> Cc: "Konrad Rzeszutek Wilk" <konrad.wilk@xxxxxxxxxx>, 
> xen-devel@xxxxxxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
> Sent: Thursday, September 17, 2009 6:54:56 AM GMT +01:00 Amsterdam / Berlin / 
> Bern / Rome / Stockholm / Vienna
> Subject: Re: [Xen-devel] Re: [PATCH][v2.6.29][XEN] Return unused memory to 
> hypervisor
>
> On 09/16/09 21:43, Miroslav Rezanina wrote:
> > Ups.....This should not be commented out. I will resent the patch
> with
> > correct (uncommented) line.
> 
> I've already applied a variant of your patch.  Check the
> rebase/core-freemem branch in xen.git.
> 
>     J
> 
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-- 
Miroslav Rezanina
Software Engineer - Virtualization Team - XEN kernel


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