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path: root/drivers/pci/intel-iommu.c
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Diffstat (limited to 'drivers/pci/intel-iommu.c')
-rw-r--r--drivers/pci/intel-iommu.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c
index dcda5212f3bb..09dc98b84553 100644
--- a/drivers/pci/intel-iommu.c
+++ b/drivers/pci/intel-iommu.c
@@ -57,7 +57,7 @@
#define IOVA_PFN(addr) ((addr) >> PAGE_SHIFT)
#define DMA_32BIT_PFN IOVA_PFN(DMA_32BIT_MASK)
-#define DMA_64BIT_PFN IOVA_PFN(DMA_64BIT_MASK)
+#define DMA_64BIT_PFN IOVA_PFN(DMA_BIT_MASK(64))
/* global iommu list, set NULL for ignored DMAR units */
static struct intel_iommu **g_iommus;