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ce803e705f
When building initial pagetables in 64-bit kernel the pud/pmd pointer may be in ioremap/fixmap space, so we need to walk the pagetable to look up the physical address. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Cc: Stephen Tweedie <sct@redhat.com> Cc: Eduardo Habkost <ehabkost@redhat.com> Cc: Mark McLoughlin <markmc@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>