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Re: [Xen-devel] PAE support revisited
| To: | James Harper <james.harper@xxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] PAE support revisited |
| From: | Kip Macy <kip.macy@xxxxxxxxx> |
| Date: | Mon, 21 Mar 2005 21:47:08 -0800 |
| Cc: | Karen White <kawhite@xxxxxxxxxx>, Nuutti Kotivuori <naked@xxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxxx |
| Delivery-date: | Tue, 22 Mar 2005 05:48:25 +0000 |
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| Reply-to: | Kip Macy <kip.macy@xxxxxxxxx> |
| Sender: | xen-devel-admin@xxxxxxxxxxxxxxxxxxxxx |
If xen and the guests all had PAE support enabled.
It doesn't matter how much physical memory the guest gets to play
with it still needs to have 64-bit physical addresses in its page
tables if the machine has PAE enabled.
-Kip
On Tue, 22 Mar 2005 16:38:05 +1100, James Harper
<james.harper@xxxxxxxxxxxxxxxx> wrote:
> I know very little about PAE, but would it be possible for Xen to
> arrange memory so that with, say, 8G of memory, you could have 4 domains
> of 2G each? Each domain would still be seeing <4G, but Xen would be
> managing 8G.
>
> An inquiring mind wants to know :)
>
> James
>
>
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