--- zzzz-none-000/linux-2.6.13.1/arch/mips/kernel/irixioctl.c	2005-09-10 02:42:58.000000000 +0000
+++ ohio-7170-487/linux-2.6.13.1/arch/mips/kernel/irixioctl.c	2007-06-13 08:22:30.000000000 +0000
@@ -4,6 +4,7 @@
  * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
  */
 
+#include <linux/config.h>
 #include <linux/kernel.h>
 #include <linux/sched.h>
 #include <linux/fs.h>