Index: kernel/generic/include/mm/as.h
===================================================================
--- kernel/generic/include/mm/as.h	(revision b2fa1204c76e1eaec329888181d281aac04ed61e)
+++ kernel/generic/include/mm/as.h	(revision c101dc091b4b9baa318e7f3ece16975f461497b8)
@@ -169,4 +169,5 @@
 		uintptr_t base;
 		size_t frames;
+		bool anonymous;
 	};
 } mem_backend_data_t;