>>> On 12.02.18 at 11:05, <roger....@citrix.com> wrote:
> If you map the NVDIMM as MMIO to Dom0 you don't need the M2P entries
> IIRC, and if it's mapped using 1GB pages it shouldn't use that much
> memory for the page tables (ie: you could just use normal RAM for the
> page tables that map the NVDIMM IMO). Of course that only applies to
> PVH/HVM.

But in order to use (part of) it in a RAM-like manner we need struct
page_info for it.

Jan


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