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Diffstat (limited to 'include/asm-generic/memory_model.h')
-rw-r--r--include/asm-generic/memory_model.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/include/asm-generic/memory_model.h b/include/asm-generic/memory_model.h
index 4b4b056a6..5148150cc 100644
--- a/include/asm-generic/memory_model.h
+++ b/include/asm-generic/memory_model.h
@@ -1,6 +1,8 @@
#ifndef __ASM_MEMORY_MODEL_H
#define __ASM_MEMORY_MODEL_H
+#include <linux/pfn.h>
+
#ifndef __ASSEMBLY__
#if defined(CONFIG_FLATMEM)
@@ -72,7 +74,7 @@
/*
* Convert a physical address to a Page Frame Number and back
*/
-#define __phys_to_pfn(paddr) ((unsigned long)((paddr) >> PAGE_SHIFT))
+#define __phys_to_pfn(paddr) PHYS_PFN(paddr)
#define __pfn_to_phys(pfn) PFN_PHYS(pfn)
#define page_to_pfn __page_to_pfn