Index: abi/include/abi/mm/as.h
===================================================================
--- abi/include/abi/mm/as.h	(revision f76d2c2c443491a18c91f9d5b7760dd39b90f5ed)
+++ abi/include/abi/mm/as.h	(revision 75b139ff9b51040615599b12a162dab865b3faac)
@@ -44,4 +44,9 @@
 #define AS_AREA_LATE_RESERVE 0x20
 
+#define AS_AREA_ANY    ((void *) -1)
+#define AS_MAP_FAILED  ((void *) -1)
+
+#define AS_AREA_UNPAGED -1
+
 /** Address space area info exported to uspace. */
 typedef struct {