[Xen-devel] page table walk in xen_{create, destroy}_contiguous_region

["Jan Beulich" <jbeulich@xxxxxxxxxx>]

Is there a particular reason why these functions need to walk the page table 
rather than doing a much cheaper p2m
translation? vstart is assumed to be in the direct mapping area anyway 
(otherwise the uses of __pa() in the same
functions wouldn't be valid).

Thanks, Jan

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