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-rw-r--r--arch/x86/kernel/pci-dma.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c
index 0accc2404b92..599d7462eccc 100644
--- a/arch/x86/kernel/pci-dma.c
+++ b/arch/x86/kernel/pci-dma.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include <linux/dma-mapping.h>
#include <linux/dma-debug.h>
#include <linux/dmar.h>