diff --git a/include/linux/module.h b/include/linux/module.h
index 680db9e..5d8fca5 100644
--- a/include/linux/module.h
+++ b/include/linux/module.h
@@ -181,6 +181,13 @@
 void *__symbol_get_gpl(const char *symbol);
 #define symbol_get(x) ((typeof(&x))(__symbol_get(MODULE_SYMBOL_PREFIX #x)))
 
+/* modules using other modules: kdb wants to see this. */
+struct module_use {
+	struct list_head source_list;
+	struct list_head target_list;
+	struct module *source, *target;
+};
+
 #ifndef __GENKSYMS__
 #ifdef CONFIG_MODVERSIONS
 /* Mark the CRC weak since genksyms apparently decides not to