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[Xen-devel] Memory oversubscription

To: xen-devel@xxxxxxxxxxxxxxxxxxxxx
Subject: [Xen-devel] Memory oversubscription
From: Todd Jones <stjones@xxxxxxxxxxx>
Date: 2004年9月14日 17:39:19 -0500
Delivery-date: 2004年9月14日 23:46:53 +0100
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Hi. First of all, thanks for Xen. It's terrific!
I'm interested in doing memory oversubscription and am wondering if Xen can do this (now or in the future).
For example, on a machine with 100MB available physical memory, can I:
1. Create a domain with a 90MB allocation
2. Inflate a balloon in that domain and return say 40MB back to Xen
I know there are mechanisms for doing 1 and 2...
3. Allocate a second domain with an allocation of 50MB?
Thanks,
--Todd
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