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-rw-r--r--include/linux/dma_remapping.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/dma_remapping.h b/include/linux/dma_remapping.h
index 7799a85614c1..136f170cecc2 100644
--- a/include/linux/dma_remapping.h
+++ b/include/linux/dma_remapping.h
@@ -17,6 +17,7 @@ struct dmar_domain;
struct root_entry;
extern void free_dmar_iommu(struct intel_iommu *iommu);
+extern int iommu_calculate_agaw(struct intel_iommu *iommu);
extern int dmar_disabled;