Index: generic/include/proc/thread.h
===================================================================
--- generic/include/proc/thread.h	(revision a84af84b414d895aeccb89cb23f05172505dd693)
+++ generic/include/proc/thread.h	(revision a597e3f03d1d6dfa29bde4a7c7dfb4a1b2ecc0e6)
@@ -138,4 +138,8 @@
 extern void thread_exit(void);
 
+#ifndef thread_create_arch
+extern void thread_create_arch(thread_t *t);
+#endif
+
 extern void thread_sleep(__u32 sec);
 extern void thread_usleep(__u32 usec);