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-rw-r--r--arch/ia64/include/asm/swiotlb.h2
-rw-r--r--arch/x86/include/asm/swiotlb.h4
-rw-r--r--include/linux/swiotlb.h2
3 files changed, 2 insertions, 6 deletions
diff --git a/arch/ia64/include/asm/swiotlb.h b/arch/ia64/include/asm/swiotlb.h
index dcbaea7ce128..f0acde68aaea 100644
--- a/arch/ia64/include/asm/swiotlb.h
+++ b/arch/ia64/include/asm/swiotlb.h
@@ -4,8 +4,6 @@
#include <linux/dma-mapping.h>
#include <linux/swiotlb.h>
-extern int swiotlb_force;
-
#ifdef CONFIG_SWIOTLB
extern int swiotlb;
extern void pci_swiotlb_init(void);
diff --git a/arch/x86/include/asm/swiotlb.h b/arch/x86/include/asm/swiotlb.h
index 940f13a213f8..87ffcb12a1b8 100644
--- a/arch/x86/include/asm/swiotlb.h
+++ b/arch/x86/include/asm/swiotlb.h
@@ -3,10 +3,6 @@
#include <linux/swiotlb.h>
-/* SWIOTLB interface */
-
-extern int swiotlb_force;
-
#ifdef CONFIG_SWIOTLB
extern int swiotlb;
extern int pci_swiotlb_init(void);
diff --git a/include/linux/swiotlb.h b/include/linux/swiotlb.h
index eb9bdb4d4854..febedcf67c7e 100644
--- a/include/linux/swiotlb.h
+++ b/include/linux/swiotlb.h
@@ -7,6 +7,8 @@ struct device;
struct dma_attrs;
struct scatterlist;
+extern int swiotlb_force;
+
/*
* Maximum allowable number of contiguous slabs to map,
* must be a power of 2. What is the appropriate value ?