diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 79dbd93..701d12c 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -1991,6 +1991,8 @@
  * @filp: the file structure
  * @buffer: the user buffer
  * @lenp: the size of the user buffer
+ * @ppos: file position
+ * @ppos: the current position in the file
  *
  * Reads/writes up to table->maxlen/sizeof(unsigned int) integer
  * values from/to the user buffer, treated as an ASCII string.