Index: kernel/arch/amd64/include/mm/as.h
===================================================================
--- kernel/arch/amd64/include/mm/as.h	(revision e9e5b9ab0ff1b3bcb98d019c57dddaee8b071601)
+++ kernel/arch/amd64/include/mm/as.h	(revision 14795627234b341479d2a8da2a14117d97de69cc)
@@ -36,11 +36,14 @@
 #define KERN_amd64_AS_H_
 
+#define ADDRESS_SPACE_HOLE_START	0x0000800000000000ULL
+#define ADDRESS_SPACE_HOLE_END		0xffff7fffffffffffULL
+
 #define KERNEL_ADDRESS_SPACE_SHADOWED_ARCH  0
 
-#define KERNEL_ADDRESS_SPACE_START_ARCH  (unsigned long) 0xffff800000000000
-#define KERNEL_ADDRESS_SPACE_END_ARCH    (unsigned long) 0xffffffffffffffff
+#define KERNEL_ADDRESS_SPACE_START_ARCH	0xffff800000000000ULL
+#define KERNEL_ADDRESS_SPACE_END_ARCH	0xffffffffffffffffULL
 
-#define USER_ADDRESS_SPACE_START_ARCH    (unsigned long) 0x0000000000000000
-#define USER_ADDRESS_SPACE_END_ARCH      (unsigned long) 0x00007fffffffffff
+#define USER_ADDRESS_SPACE_START_ARCH	0x0000000000000000ULL
+#define USER_ADDRESS_SPACE_END_ARCH	0x00007fffffffffffULL
 
 #define USTACK_ADDRESS_ARCH  (USER_ADDRESS_SPACE_END_ARCH - (PAGE_SIZE - 1))