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-rw-r--r--arch/ia64/kernel/pci-dma.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/ia64/kernel/pci-dma.c b/arch/ia64/kernel/pci-dma.c
index 1376da45fd08..05695962fe44 100644
--- a/arch/ia64/kernel/pci-dma.c
+++ b/arch/ia64/kernel/pci-dma.c
@@ -32,6 +32,8 @@ int force_iommu __read_mostly = 1;
int force_iommu __read_mostly;
#endif
+int iommu_pass_through;
+
/* Dummy device used for NULL arguments (normally ISA). Better would
be probably a smaller DMA mask, but this is bug-to-bug compatible
to i386. */