x86: reduce forbid_dac's visibility

It's not used anywhere outside its declaring file. Signed-off-by: Jan Beulich <jbeulich@novell.com> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
git-mirror · Jul 18, 2008 · 08e1a13 · 08e1a13
1 parent 369c992
commit 08e1a13
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Showing 2 changed files with 1 addition and 3 deletions.
diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c
@@ -9,8 +9,7 @@
 #include <asm/calgary.h>
 #include <asm/amd_iommu.h>
 
-int forbid_dac __read_mostly;
-EXPORT_SYMBOL(forbid_dac);
+static int forbid_dac __read_mostly;
 
 const struct dma_mapping_ops *dma_ops;
 EXPORT_SYMBOL(dma_ops);

diff --git a/include/asm-x86/dma-mapping.h b/include/asm-x86/dma-mapping.h
@@ -14,7 +14,6 @@ extern dma_addr_t bad_dma_address;
 extern int iommu_merge;
 extern struct device fallback_dev;
 extern int panic_on_overflow;
-extern int forbid_dac;
 extern int force_iommu;
 
 struct dma_mapping_ops {