Index: kernel/generic/include/mm/as.h
===================================================================
--- kernel/generic/include/mm/as.h	(revision f72906c1ceb4b546d431ab8e9c41434425c1096f)
+++ kernel/generic/include/mm/as.h	(revision 054f3079717304fce3b50b2909e1a6dca781ee95)
@@ -169,4 +169,5 @@
 		uintptr_t base;
 		size_t frames;
+		bool anonymous;
 	};
 } mem_backend_data_t;