I&#39;m running Xen-3.0 on CentOs 5.7 x86_64.  When I run <i>free -tm</i> in a DomU the total amount of RAM is never what&#39;s defined in the vm .cfg.  In some OS&#39;s <i>free</i> reports less than what&#39;s configured, and in others it reports that there&#39;s more. What can I do to make the vm report the correct amount of RAM that&#39;s been allocated for it?
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