diff --git a/kernel/padata.c b/kernel/padata.c
index 57c0074d50cc485b706579aaa616e4a004775a8e..d568cc56405f8835d499df7b6555a406e99c9e96 100644
--- a/kernel/padata.c
+++ b/kernel/padata.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * padata.c - generic interface to process data streams in parallel
  *