This add helper virt_to_pfn and remove the opencoded usage of the
same.

Signed-off-by: Aneesh Kumar K.V <aneesh.ku...@linux.vnet.ibm.com>
---
 arch/powerpc/include/asm/page.h | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/arch/powerpc/include/asm/page.h b/arch/powerpc/include/asm/page.h
index 71294a6e976e..168ca67e39b3 100644
--- a/arch/powerpc/include/asm/page.h
+++ b/arch/powerpc/include/asm/page.h
@@ -127,9 +127,10 @@ extern long long virt_phys_offset;
 #define pfn_valid(pfn)         ((pfn) >= ARCH_PFN_OFFSET && (pfn) < max_mapnr)
 #endif
 
-#define virt_to_page(kaddr)    pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)
+#define virt_to_pfn(kaddr)     (__pa(kaddr) >> PAGE_SHIFT)
+#define virt_to_page(kaddr)    pfn_to_page(virt_to_pfn(kaddr))
 #define pfn_to_kaddr(pfn)      __va((pfn) << PAGE_SHIFT)
-#define virt_addr_valid(kaddr) pfn_valid(__pa(kaddr) >> PAGE_SHIFT)
+#define virt_addr_valid(kaddr) pfn_valid(virt_to_pfn(kaddr))
 
 /*
  * On Book-E parts we need __va to parse the device tree and we can't
-- 
2.5.0

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