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[Xen-devel] Possible regression: XEN 4.0.0 total_memory decrease

To: Xen-devel@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-devel] Possible regression: XEN 4.0.0 total_memory decrease
From: Alex Williams <awilliams@xxxxxxxx>
Date: Thu, 15 Apr 2010 11:54:47 -0400
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Hello,

I noticed a significant *decrease* (150MB) in "total_memory" on a host build using XEN 4.0.0 with kernel 2.6.18.

Here are the details:

Server = 4096MB RAM
XEN 3.4.2 + kernel 2.6.18: xm info | grep total_memory = 4084
XEN 4.0.0 + kernel 2.6.18: xm info | grep total_memory = 3946

The exact same kernel config file was used for both builds. I also made sure there is absolutely no difference on the hosts (while the builds are created on a different machine).

This seems like a regression, unless someone can provide suggestions on how to correct this?

Thanks.


--
Alexander Williams
IT Architecture Specialist
Spécialiste de l'Architecture TI
http://www.iWeb.com/

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