[PATCH 4/6] swiotlb: mark is_swiotlb_buffer static

[Christoph Hellwig]

Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
 include/linux/swiotlb.h | 1 -
 lib/swiotlb.c           | 2 +-
 2 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/include/linux/swiotlb.h b/include/linux/swiotlb.h
index 965be92c33b5..7ef541ce8f34 100644
--- a/include/linux/swiotlb.h
+++ b/include/linux/swiotlb.h
@@ -121,7 +121,6 @@ static inline unsigned int swiotlb_max_segment(void) { return 0; }
 #endif
 
 extern void swiotlb_print_info(void);
-extern int is_swiotlb_buffer(phys_addr_t paddr);
 extern void swiotlb_set_max_segment(unsigned int);
 
 extern const struct dma_map_ops swiotlb_dma_ops;
diff --git a/lib/swiotlb.c b/lib/swiotlb.c
index 2ebbc7204061..8333277d1cd1 100644
--- a/lib/swiotlb.c
+++ b/lib/swiotlb.c
@@ -431,7 +431,7 @@ void __init swiotlb_exit(void)
 	max_segment = 0;
 }
 
-int is_swiotlb_buffer(phys_addr_t paddr)
+static int is_swiotlb_buffer(phys_addr_t paddr)
 {
 	return paddr >= io_tlb_start && paddr < io_tlb_end;
 }
-- 
2.17.0