Re: [PATCH 3/3] xen: eliminate scalability issues from initial mapping setup

From: David Vrabel
Date: Thu Sep 04 2014 - 08:59:55 EST


On 04/09/14 13:38, Juergen Gross wrote:
> Direct Xen to place the initial P->M table outside of the initial
> mapping, as otherwise the 1G (implementation) / 2G (theoretical)
> restriction on the size of the initial mapping limits the amount
> of memory a domain can be handed initially.

The three level p2m limits memory to 512 GiB on x86-64 but this patch
doesn't seem to address this limit and thus seems a bit useless to me.

David
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