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Re: [Xen-devel] [PATCH] increase initial memory reservation for stubdom

To: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>, xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject: Re: [Xen-devel] [PATCH] increase initial memory reservation for stubdom based HVM domains
From: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Date: Thu, 15 Jan 2009 17:04:36 +0000
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On 15/01/2009 16:46, "Stefano Stabellini" <stefano.stabellini@xxxxxxxxxxxxx>
wrote:

> this patch requests 32 additional MB of free RAM from dom0 when an HVM
> domain is started, if the device model for the domain is provided by a
> stubdom.
> This way there is no risk that a stubdom fails to populate the videoram
> because the RAM freed for the videoram by dom0 has already been used to
> create the stubdom.

Does this mean you're giving up on 'properly' fixing the auto ballooner? :-)

At least the +32 needs a comment. Perhaps abstraction into a function or
variable as well as a comment. Is the value 32 as arbitrary as it seems?

 -- Keir



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