Index: kernel/generic/include/mm/as.h
===================================================================
--- kernel/generic/include/mm/as.h	(revision 06e1e95342d7b9a9c85c7492529a309d51a3fb6c)
+++ kernel/generic/include/mm/as.h	(revision f1d1f5d3d65116db3fe2744bb3cf38c85e99f14c)
@@ -94,4 +94,7 @@
 	/** Address space identifier. Constant on architectures that do not support ASIDs.*/
 	asid_t asid;
+	
+	/** Architecture specific content. */
+	as_arch_t arch;
 };