Re: [Xen-devel] xm info showing too much free ram

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

On 30 Mar 2006, at 19:43, Hans-Christian Armingeon wrote:

> My dom0 has 2g ram allocated, and I have 2.5 G Ram physically in my 
> machine.
> I needed more Ram in domU so I did a
If you don't start your domU with a 'mem=2G' or similar as a boot 
parameter then the domU will be unable to increase its memory 
allocation beyond its initial boot-time allocation. In this case, 'xm 
list' is lying to you -- it tells you what memory target the tools has 
asked the domU to aim for, not what the domU is currently using. :-)
That's my guess anyway -- the free memory reported by 'xm info' is 
definitely the truth, so 'xm list' is lying and that's probably the 
reason why. Take a look in the domU and see what it thinks. Also in the 
domU, look at the contents of /proc/xen/balloon.
 -- Keir


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