Re: [Xen-devel] questions about ballooning

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To:	Daniel Stodden <stodden@xxxxxxxxxx>
Subject:	Re: [Xen-devel] questions about ballooning
From:	Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
Date:	Mon, 05 Nov 2007 07:35:40 +0000
Cc:	weiming <zephyr.zhao@xxxxxxxxx>, Xen Developers <xen-devel@xxxxxxxxxxxxxxxxxxx>
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On 4/11/07 17:28, "Daniel Stodden" <stodden@xxxxxxxxxx> wrote:

> while you are at it, from xmdomain.cfg(5)
> 
> memory:
> Xen does not support overcommit of memory, so the total memory
> of all guests (+ 64 MB needed for Xen) must be less than or
> equal to the physical RAM in the machine.
> 
> 'memory' is mem_map size, right? is this outdated or simply not true, or
> am i missing something?

No, 'memory' is total RAM currently assigned across all tests. It just means
the obvious thing --- you can't assign more RAM than you have in your entire
system!

 -- KEir

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