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RE: [Xen-devel] Advice on HIGHMEM

from [Ian Pratt]

[Permanent Link][Original]

To:	"Nicholas Lee" <nic-lists@xxxxxxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxxxx>
Subject:	RE: [Xen-devel] Advice on HIGHMEM
From:	"Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx>
Date:	Mon, 7 Mar 2005 21:56:28 -0000
Cc:	<ian.pratt@xxxxxxxxxxxx>
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Thread-topic:	[Xen-devel] Advice on HIGHMEM

 > Given that dom0 is itself doesn't managed the memory directly that
you
> only need to compile HIGHMEM4G into the dom0 or domU kernels if you
> intend to use more than 1G in one domX instances.
> 
> ie. Even if you have more than 1Gb of total physical memory, 
> if none of
> the domX use more than 1Gb of memory, there is no need to compile in
> HIGHMEM4G.
> 
> Or, does dom0 need to be compiled with this in order for the Xen
> hypervisor to manage this memory level effectively.

Dom0 does not need HIGHMEM4G for Xen to beable to manage memory up to
4GB.

Ian


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