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-rw-r--r--lib/hweight.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/hweight.c b/lib/hweight.c
index 43273a7d83cf4..7660d88fd4960 100644
--- a/lib/hweight.c
+++ b/lib/hweight.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include <linux/export.h>
#include <linux/bitops.h>
#include <asm/types.h>