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-rw-r--r--arch/x86/kernel/pci-dma.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c
index 388b113a7d8..0c37f16b695 100644
--- a/arch/x86/kernel/pci-dma.c
+++ b/arch/x86/kernel/pci-dma.c
@@ -14,7 +14,7 @@ EXPORT_SYMBOL(forbid_dac);
const struct dma_mapping_ops *dma_ops;
EXPORT_SYMBOL(dma_ops);
-int iommu_sac_force __read_mostly = 0;
+static int iommu_sac_force __read_mostly;
#ifdef CONFIG_IOMMU_DEBUG
int panic_on_overflow __read_mostly = 1;