Hi experts!
Where are the missing 700MB ??? (4GB installed)
700 MB is too much, that can't be only because of version-differences!
I compared (unmodified) stable/testing kernels with Xen and OpenVZ-kernel:
all out of main debian packages:
Only3200:
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*Linux host 2.6.18-5-686 #1 SMP Mon Dec 24 16:41:07 UTC 2007 i686 GNU/Linux
*Linux knoppix 2.6.24.4 #2 SMP PREEMPT Tue Mar 25 21:35:28 CET 2008 i686 GNU/Linux
*Linux host 2.6.26-2-686 #1 SMP Sun Jun 21 04:57:38 UTC 2009 i686 GNU/Linux
Full4GB:
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*Linux host 2.6.26-2-openvz-686 #1 SMP Sun Jun 21 07:07:25 UTC 2009 i686 GNU/Linux