diff --git a/arch/mips/mm/sc-mips.c b/arch/mips/mm/sc-mips.c
index acfb892..548acb7 100644
--- a/arch/mips/mm/sc-mips.c
+++ b/arch/mips/mm/sc-mips.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (C) 2006 Chris Dearman (chris@mips.com),
  */