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Re: [Xen-devel] Design question for PV superpage support



Dave McCracken wrote:
No, actually, it doesn't do that. The hypervisor allocates 2M pages, then expands them into 4K pages for the mfn<->pfn maps, etc.

What happens if you start using MMU_MACHPHYS_UPDATE on pages which are part of a 2M mapping?

   J

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