Commit 28e98c2c authored Jan 13, 2015 by David Vrabel Committed by David S. Miller Jan 14, 2015

xen: add page_to_mfn()



pfn_to_mfn(page_to_pfn(p)) is a common use case so add a generic
helper for it.

Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 933685ca

include/xen/page.h

+5 −0

Original line number	Diff line number	Diff line
		@@ -3,6 +3,11 @@

		#include <asm/xen/page.h>

		static inline unsigned long page_to_mfn(struct page *page)
		{
		return pfn_to_mfn(page_to_pfn(page));
		}

		struct xen_memory_region {
		phys_addr_t start;
		phys_addr_t size;