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-rw-r--r--include/linux/bitrev.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/bitrev.h b/include/linux/bitrev.h
index b97be27e5a85..50fb0dee23e8 100644
--- a/include/linux/bitrev.h
+++ b/include/linux/bitrev.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_BITREV_H
#define _LINUX_BITREV_H