Xen: Add virt_to_pfn helper function

Signed-off-by: N Alex Nixon <alex.nixon@citrix.com>

Xen: Add virt_to_pfn helper function
Signed-off-by: N Alex Nixon <alex.nixon@citrix.com>
1e744973 · Alex Nixon · Jeremy Fitzhardinge · 68509cdc · 1e744973
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Showing with 2 addition and 1 deletion

arch/x86/include/asm/xen/page.h arch/x86/include/asm/xen/page.h +2 -1

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--- a/arch/x86/include/asm/xen/page.h
+++ b/arch/x86/include/asm/xen/page.h
@@ -124,7 +124,8 @@ static inline unsigned long mfn_to_local_pfn(unsigned long mfn)

 /* VIRT <-> MACHINE conversion */
 #define virt_to_machine(v)	(phys_to_machine(XPADDR(__pa(v))))
-#define virt_to_mfn(v)		(pfn_to_mfn(PFN_DOWN(__pa(v))))
+#define virt_to_pfn(v)          (PFN_DOWN(__pa(v)))
+#define virt_to_mfn(v)		(pfn_to_mfn(virt_to_pfn(v)))
 #define mfn_to_virt(m)		(__va(mfn_to_pfn(m) << PAGE_SHIFT))

 static inline unsigned long pte_mfn(pte_t pte)