Index: kernel/arch/mips32/include/mm/as.h
===================================================================
--- kernel/arch/mips32/include/mm/as.h	(revision 7a0359b903311f67678b4a0a3ebbcf0daf6eab38)
+++ kernel/arch/mips32/include/mm/as.h	(revision 712c4bac34d2d8ac8d7e35e7e48ff1c293c0ffb8)
@@ -38,10 +38,8 @@
 #define KERNEL_ADDRESS_SPACE_SHADOWED_ARCH  0
 
-#define KERNEL_ADDRESS_SPACE_START_ARCH		(unsigned long) 0x80000000
-#define KERNEL_ADDRESS_SPACE_END_ARCH		(unsigned long) 0x9fffffff
-#define USER_ADDRESS_SPACE_START_ARCH		(unsigned long) 0x00000000
-#define USER_ADDRESS_SPACE_END_ARCH		(unsigned long) 0x7fffffff
-
-#define USTACK_ADDRESS_ARCH	(0x80000000 - PAGE_SIZE)
+#define KERNEL_ADDRESS_SPACE_START_ARCH  UINT32_C(0x80000000)
+#define KERNEL_ADDRESS_SPACE_END_ARCH    UINT32_C(0x9fffffff)
+#define USER_ADDRESS_SPACE_START_ARCH    UINT32_C(0x00000000)
+#define USER_ADDRESS_SPACE_END_ARCH      UINT32_C(0x7fffffff)
 
 typedef struct {