On Tue, Feb 13, 2018 at 03:06:24AM -0700, Jan Beulich wrote: > >>> 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.
I guess the main use of this would be to grant NVDIMM pages? And without a page_info that's not possible. Roger. _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel
