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-rw-r--r--arch/s390/mm/extmem.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/s390/mm/extmem.c b/arch/s390/mm/extmem.c
index 9f118629b55f..920d40894535 100644
--- a/arch/s390/mm/extmem.c
+++ b/arch/s390/mm/extmem.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Author(s)......: Carsten Otte <cotte@de.ibm.com>
* Rob M van der Heij <rvdheij@nl.ibm.com>