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RE: [Xen-devel] [patch] more correct pfn_valid()

To: "Tian, Kevin" <kevin.tian@xxxxxxxxx>, "Scott Parish" <srparish@xxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx>
From: "Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx>
Date: Thu, 19 May 2005 07:51:17 +0100
Delivery-date: Thu, 19 May 2005 06:50:52 +0000
List-id: Xen developer discussion <xen-devel.lists.xensource.com>
Thread-index: AcVb9aZ7Rlj1GNpbTJqBIcUW7A2ChAAANsGgAAkVbyAACQmCUA==
Thread-topic: [Xen-devel] [patch] more correct pfn_valid()

 

> Agree with the approach for virtual frame_table to support 
> big hole, just like virtual memmap in Linux working currently 
> on large machine.
> However this one actually throws a brick about how to support 
> large hole of DomU.

Guests can have arbitrary sparse machine memory maps already on x86.

Ian

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