diff --git a/study/proc/seq_file_exam/seq_file_exam.c b/study/proc/seq_file_exam/seq_file_exam.c
index 8381e5d..7ac3ae5 100644
--- a/study/proc/seq_file_exam/seq_file_exam.c
+++ b/study/proc/seq_file_exam/seq_file_exam.c
@@ -8,6 +8,8 @@
 #include <linux/percpu.h>
 #include <linux/sched.h>
 
+
+
 static struct proc_dir_entry *entry;
 
 static void *l_start(struct seq_file *m, loff_t * pos)