Re: [Xen-devel] Xen at scale

[Christian Limpach <chris@xxxxxx>]

> > and where does the builder put the PTD?  and what's the physical memory
> > layout?
>
> For BSD both are irrelevant - the PTD is passed in as an argument via a
> register. Only Linux relies on physical contiguity for the PTOV trick.
> BSD does a table lookup in the mapped page tables - it has no physical
> contiguity requirements.

The domain builder still has to put the PTD somewhere and your
drawing/explanation doesn't say where.  Same goes for physical memory
layout, you have to pick one, I'd be interested to know which you picked...

    christian



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