diff --git a/include/linux/seccomp.h b/include/linux/seccomp.h
index d31d76be4982..175079552f68 100644
--- a/include/linux/seccomp.h
+++ b/include/linux/seccomp.h
@@ -27,6 +27,7 @@ struct seccomp_filter;
  *
  * @mode:  indicates one of the valid values above for controlled
  *         system calls available to a process.
+ * @filter_count: number of seccomp filters
  * @filter: must always point to a valid seccomp-filter or NULL as it is
  *          accessed without locking during system call entry.
  *