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-rw-r--r--net/ceph/crush/hash.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/net/ceph/crush/hash.c b/net/ceph/crush/hash.c
index ed123af49eba..e5cc603cdb17 100644
--- a/net/ceph/crush/hash.c
+++ b/net/ceph/crush/hash.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#ifdef __KERNEL__
# include <linux/crush/hash.h>
#else