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-rw-r--r--include/linux/rwsem.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/rwsem.h b/include/linux/rwsem.h
index 0ad7318..dfa34d8 100644
--- a/include/linux/rwsem.h
+++ b/include/linux/rwsem.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/* rwsem.h: R/W semaphores, public interface
*
* Written by David Howells (dhowells@redhat.com).
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