Index: abi/include/mm/as.h
===================================================================
--- abi/include/mm/as.h	(revision 35a3d9507374b5377868593a13bf38eaa4dd42c3)
+++ abi/include/mm/as.h	(revision 9a9c805be5fb4f2fa097947afcec03940ca593f8)
@@ -42,4 +42,5 @@
 #define AS_AREA_CACHEABLE  0x08
 #define AS_AREA_GUARD      0x10
+#define AS_AREA_NORESERVE  0x20
 
 /** Address space area info exported to uspace. */