1 files changed, 1 insertions, 0 deletions

diff --git a/mm/gup.c b/mm/gup.c
index 2c08248d4fa2..f173fcbaf1b2 100644
--- a/mm/gup.c
+++ b/mm/gup.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 #include <linux/kernel.h>
 #include <linux/errno.h>
 #include <linux/err.h>