Re: [Xen-devel] Unable to start PAE Mini-OS from 0x0

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

On 21 May 2006, at 23:53, Puthiyaparambil, Aravindh wrote:

> With changeset 10053, I am able to get Mini-OS PAE to come up from 0x0.
> I am noticing that number of pagetable frames created by the builder is
> 5 if virtual start is below 0xc0000000 and 4 if higher than 0xc0000000
> for the same amount of memory (32MB). Why the difference in the number
> of pagetable frames? Is it because of the extra mid-level page 
> directory
> for Xen?
Yes. We always create a final mid-level page directory even if not 
required for guest mappings.
 -- Keir


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