diff --git a/[refs] b/[refs]
index ee34f6faced1..187b1cd05970 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 6090912c4abcfc6c81b156cf2bb4cda23ae6e847
+refs/heads/master: 67eb54944bb9de5f568ea2c28d4f20a5b7d2611d
diff --git a/trunk/arch/powerpc/include/asm/page.h b/trunk/arch/powerpc/include/asm/page.h
index da4b20008541..2cd664ef0a5e 100644
--- a/trunk/arch/powerpc/include/asm/page.h
+++ b/trunk/arch/powerpc/include/asm/page.h
@@ -100,7 +100,7 @@ extern phys_addr_t kernstart_addr;
 #endif
 
 #ifdef CONFIG_FLATMEM
-#define ARCH_PFN_OFFSET		(MEMORY_START >> PAGE_SHIFT)
+#define ARCH_PFN_OFFSET		((unsigned long)(MEMORY_START >> PAGE_SHIFT))
 #define pfn_valid(pfn)		((pfn) >= ARCH_PFN_OFFSET && (pfn) < max_mapnr)
 #endif