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-rw-r--r--arch/arm/include/asm/memory.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h
index e506088a7678..584786f740f9 100644
--- a/arch/arm/include/asm/memory.h
+++ b/arch/arm/include/asm/memory.h
@@ -223,7 +223,7 @@ static inline unsigned long __phys_to_virt(unsigned long x)
* direct-mapped view. We assume this is the first page
* of RAM in the mem_map as well.
*/
-#define PHYS_PFN_OFFSET (PHYS_OFFSET >> PAGE_SHIFT)
+#define PHYS_PFN_OFFSET ((unsigned long)(PHYS_OFFSET >> PAGE_SHIFT))
/*
* These are *only* valid on the kernel direct mapped RAM memory.
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