--- /home/sfalco/ipipe.h	2007-10-25 12:59:12.000000000 -0400
+++ include/linux/ipipe.h	2007-10-25 12:59:23.000000000 -0400
@@ -31,6 +31,8 @@
 #include <linux/ipipe_compat.h>
 #include <asm/ipipe.h>
 
+struct mm_struct;
+
 #ifdef CONFIG_IPIPE
 
 #define IPIPE_VERSION_STRING	IPIPE_ARCH_STRING