--- a/master/sdo_request.c	Fri Nov 26 11:23:19 2010 +0100
+++ b/master/sdo_request.c	Sat Nov 27 17:02:54 2010 +0100
@@ -35,6 +35,7 @@
 
 #include <linux/module.h>
 #include <linux/jiffies.h>
+#include <linux/slab.h>
 
 #include "sdo_request.h"