Re: [PATCH] kvm mmu: reduce 50% memory usage

[Avi Kivity]

On 04/30/2010 05:25 AM, Lai Jiangshan wrote:
> > It's unrelated to TDP, same issue with shadow.  I think the calculation
> > is correct.  For example the 4th spte for a level=2 page will yield
> > gfn=4*512.
> >      
> Avi, Marcelo
> Thank you very much.
>
> The calculation I used is correct.
>    

Yes.  btw, can you update the patch to also correct mmu.txt?

> The fault is comes from the FNAME(fetch) when using shadow page.
>
> I have fix it in the patch
> "[RFC PATCH] kvm: calculate correct gfn for small host pages which emulates large guest pages"
>
> (It seems that the mail lists is unreachable, did you receive it?)
>    

The lists are down at the moment.

--
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.

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