RE: [Xen-devel] memory size inside domU less than memory in domU

To:	Dan Magenheimer <dan.magenheimer@xxxxxxxxxx>
Subject:	RE: [Xen-devel] memory size inside domU less than memory in domU config
From:	Vasiliy G Tolstov <v.tolstov@xxxxxxxxx>
Date:	Thu, 16 Jun 2011 23:18:58 +0400
Cc:	xen-devel@xxxxxxxxxxxxxxxxxxx, Konrad Wilk <konrad.wilk@xxxxxxxxxx>
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On Thu, 2011-06-16 at 12:12 -0700, Dan Magenheimer wrote:
> I'm not sure, but I think Vasiliy's question is:
> 
> Why/where is 78MB of memory being "wasted"?  If one specifies
> 2048MB (4096MB) of memory for the guest, why doesn't the guest
> kernel report 2048MB (4096MB)?
> 
> Using Vasiliy's /proc/meminfo output from below:
> 2048MB = 2097152KB; - 2016564KB = 80588KB = 78MB
> 4096MB = 4194304KB; - 4113716KB = 80588KB = 78MB
> 
> Dan
> 
> Thanks... for the memory!
> I really could use more / my throughput's on the floor
> The balloon is flat / my swap disk's fat / I've OOM's in store
> Overcommitted so much
> (with apologies to Bob Hope)

=) Thanks Dan. May be this happening because i check dom0 support. I'm
try to rebuild kernel to use Daniel's memory hotplug and disable dom0
support.



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RE: [Xen-devel] memory size inside domU less than memory in domU config