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[Xen-devel] [PATCH 13/24] Xen: Add virt_to_pfn helper function

To: "H. Peter Anvin" <hpa@xxxxxxxxx>
Subject: [Xen-devel] [PATCH 13/24] Xen: Add virt_to_pfn helper function
From: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
Date: Fri, 13 Mar 2009 01:11:49 -0700
Cc: Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, Alex Nixon <alex.nixon@xxxxxxxxxx>, the arch/x86 maintainers <x86@xxxxxxxxxx>, Linux Kernel Mailing List <linux-kernel@xxxxxxxxxxxxxxx>
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From: Alex Nixon <alex.nixon@xxxxxxxxxx>

Signed-off-by: Alex Nixon <alex.nixon@xxxxxxxxxx>
---
 arch/x86/include/asm/xen/page.h |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/arch/x86/include/asm/xen/page.h b/arch/x86/include/asm/xen/page.h
index 1a918dd..018a0a4 100644
--- 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)
-- 
1.6.0.6


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