Index: kernel/arch/amd64/include/mm/as.h
===================================================================
--- kernel/arch/amd64/include/mm/as.h	(revision a13c6bc74181d051d122f6524b79cd109c3c3ea2)
+++ kernel/arch/amd64/include/mm/as.h	(revision 0b4a67a31961a80515a7b28d5b2e27fbb8f7249d)
@@ -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))