--- a/kernel/kallsyms.c.orig	2017-07-12 13:01:00.143416830 -0700
+++ a/kernel/kallsyms.c	2017-07-12 13:01:40.438112247 -0700
@@ -181,6 +181,7 @@ unsigned long kallsyms_lookup_name(const
 	}
 	return module_kallsyms_lookup_name(name);
 }
+EXPORT_SYMBOL_GPL(kallsyms_lookup_name);
 
 int kallsyms_on_each_symbol(int (*fn)(void *, const char *, struct module *,
 				      unsigned long),