x86_64: change _map_single to static in pci_gart.c etc

This function is called via dma_ops->.., so change it to static
Signed-off-by: NYinghai Lu <yinghai.lu@sun.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NAndi Kleen <ak@suse.de>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

arch/x86_64/kernel/pci-gart.c

@@ -235,7 +235,7 @@ static dma_addr_t gart_map_simple(struct device *dev, char *buf,
 }
 
 /* Map a single area into the IOMMU */
-dma_addr_t gart_map_single(struct device *dev, void *addr, size_t size, int dir)
+static dma_addr_t gart_map_single(struct device *dev, void *addr, size_t size, int dir)
 {
 	unsigned long phys_mem, bus;
 
@@ -253,7 +253,7 @@ dma_addr_t gart_map_single(struct device *dev, void *addr, size_t size, int dir)
 /*
  * Free a DMA mapping.
  */
-void gart_unmap_single(struct device *dev, dma_addr_t dma_addr,
+static void gart_unmap_single(struct device *dev, dma_addr_t dma_addr,
 		      size_t size, int direction)
 {
 	unsigned long iommu_page;
@@ -275,7 +275,7 @@ void gart_unmap_single(struct device *dev, dma_addr_t dma_addr,
 /*
  * Wrapper for pci_unmap_single working with scatterlists.
  */
-void gart_unmap_sg(struct device *dev, struct scatterlist *sg, int nents, int dir)
+static void gart_unmap_sg(struct device *dev, struct scatterlist *sg, int nents, int dir)
 {
 	int i;
 

arch/x86_64/kernel/pci-nommu.c

@@ -34,7 +34,7 @@ nommu_map_single(struct device *hwdev, void *ptr, size_t size,
 	return bus;
 }
 
-void nommu_unmap_single(struct device *dev, dma_addr_t addr,size_t size,
+static void nommu_unmap_single(struct device *dev, dma_addr_t addr,size_t size,
 			int direction)
 {
 }
@@ -54,7 +54,7 @@ void nommu_unmap_single(struct device *dev, dma_addr_t addr,size_t size,
  * Device ownership issues as mentioned above for pci_map_single are
  * the same here.
  */
-int nommu_map_sg(struct device *hwdev, struct scatterlist *sg,
+static int nommu_map_sg(struct device *hwdev, struct scatterlist *sg,
 	       int nents, int direction)
 {
 	int i;
@@ -74,7 +74,7 @@ int nommu_map_sg(struct device *hwdev, struct scatterlist *sg,
  * Again, cpu read rules concerning calls here are the same as for
  * pci_unmap_single() above.
  */
-void nommu_unmap_sg(struct device *dev, struct scatterlist *sg,
+static void nommu_unmap_sg(struct device *dev, struct scatterlist *sg,
 		  int nents, int dir)
 {
 }