diff --git a/include/asm-m68k/page.h b/include/asm-m68k/page.h
index fff1f455bdad..1431ea0b59e0 100644
--- a/include/asm-m68k/page.h
+++ b/include/asm-m68k/page.h
@@ -4,17 +4,15 @@
 
 #ifdef __KERNEL__
 
+#include <linux/const.h>
+
 /* PAGE_SHIFT determines the page size */
 #ifndef CONFIG_SUN3
 #define PAGE_SHIFT	(12)
 #else
 #define PAGE_SHIFT	(13)
 #endif
-#ifdef __ASSEMBLY__
-#define PAGE_SIZE	(1 << PAGE_SHIFT)
-#else
-#define PAGE_SIZE	(1UL << PAGE_SHIFT)
-#endif
+#define PAGE_SIZE	(_AC(1, UL) << PAGE_SHIFT)
 #define PAGE_MASK	(~(PAGE_SIZE-1))
 
 #include <asm/setup.h>
diff --git a/include/asm-m68k/processor.h b/include/asm-m68k/processor.h
index 8455f778b601..4453ec379c5d 100644
--- a/include/asm-m68k/processor.h
+++ b/include/asm-m68k/processor.h
@@ -38,12 +38,8 @@ static inline void wrusp(unsigned long usp)
 #ifndef CONFIG_SUN3
 #define TASK_SIZE	(0xF0000000UL)
 #else
-#ifdef __ASSEMBLY__
-#define TASK_SIZE	(0x0E000000)
-#else
 #define TASK_SIZE	(0x0E000000UL)
 #endif
-#endif
 
 /* This decides where the kernel will search for a free chunk of vm
  * space during mmap's.