diff --git a/fs/filesystems.c b/fs/filesystems.c
index 1aa70260e6d..a24c58e181d 100644
--- a/fs/filesystems.c
+++ b/fs/filesystems.c
@@ -199,7 +199,7 @@ SYSCALL_DEFINE3(sysfs, int, option, unsigned long, arg1, unsigned long, arg2)
 	return retval;
 }
 
-int get_filesystem_list(char * buf)
+int __init get_filesystem_list(char *buf)
 {
 	int len = 0;
 	struct file_system_type * tmp;
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 8f42b35a756..5bed436f435 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -2448,7 +2448,7 @@ struct ctl_table;
 int proc_nr_files(struct ctl_table *table, int write, struct file *filp,
 		  void __user *buffer, size_t *lenp, loff_t *ppos);
 
-int get_filesystem_list(char * buf);
+int __init get_filesystem_list(char *buf);
 
 #endif /* __KERNEL__ */
 #endif /* _LINUX_FS_H */