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-rw-r--r--include/xen/swiotlb-xen.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/xen/swiotlb-xen.h b/include/xen/swiotlb-xen.h
index ed2de363da33..5e4b83f83dbc 100644
--- a/include/xen/swiotlb-xen.h
+++ b/include/xen/swiotlb-xen.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __LINUX_SWIOTLB_XEN_H
#define __LINUX_SWIOTLB_XEN_H