[Xen-devel] Calculate Actual Memory

To:	xen-devel@xxxxxxxxxxxxxxxxxxx
Subject:	[Xen-devel] Calculate Actual Memory
From:	Wei Jiang <talk90091e@xxxxxxxxx>
Date:	Tue, 7 Apr 2009 10:51:19 +0800
Delivery-date:	Mon, 06 Apr 2009 19:45:51 -0700
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Hi,

In my Xen 3.2.1, I passed 2G memory to Xen, but just about 256M memory 
was recognized by command "xe vm-list uuid=<myguest_id> params=all|grep 
memory". 
----------------------------------------------------------------------
                 memory-actual ( RO): 268435456
                 memory-target ( RO): 268435456
             memory-static-max ( RW): 2147483648
            memory-dynamic-max ( RW): 2147483648
            memory-dynamic-min ( RW): 67108864
             memory-static-min ( RW): 67108864

In my xen host, which has 4G memory. So I guess that is not a problem to
assign 2G memory to a Guest(I just have ONLY a guest).

I wonder how the Actual memory be calculated in Xen hypervisor, any suggestions?

Thanks,
Wei Jiang

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[Xen-devel] Calculate Actual Memory