--- zzzz-none-000/linux-3.10.107/init/do_mounts.c	2017-06-27 09:49:32.000000000 +0000
+++ vr9-7490-729/linux-3.10.107/init/do_mounts.c	2021-11-10 11:53:56.000000000 +0000
@@ -282,7 +282,7 @@
 	return res;
 }
 
-static int __init root_dev_setup(char *line)
+int __init root_dev_setup(char *line)
 {
 	strlcpy(saved_root_name, line, sizeof(saved_root_name));
 	return 1;