Index: kernel/generic/include/arch.h
===================================================================
--- kernel/generic/include/arch.h	(revision 98000fb4ea6015506f059c9b121e417ce991ecfd)
+++ kernel/generic/include/arch.h	(revision d45660a168e00e2e6a582319f09478bfbdfbfacb)
@@ -39,4 +39,5 @@
 #include <proc/thread.h>
 #include <proc/task.h>
+#include <mm/as.h>
 
 #define DEFAULT_CONTEXT		0