[RFC PATCH] virtio: virtio_pool can be static

[kbuild test robot]

Signed-off-by: kbuild test robot <lkp@xxxxxxxxx>
---
 virtio_bounce.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/virtio/virtio_bounce.c b/drivers/virtio/virtio_bounce.c
index 3de8e0eb71e48..5a68d48667c42 100644
--- a/drivers/virtio/virtio_bounce.c
+++ b/drivers/virtio/virtio_bounce.c
@@ -19,7 +19,7 @@
 static phys_addr_t bounce_buf_paddr;
 static void *bounce_buf_vaddr;
 static size_t bounce_buf_size;
-struct swiotlb_pool *virtio_pool;
+static struct swiotlb_pool *virtio_pool;
 
 #define VIRTIO_MAX_BOUNCE_SIZE	(16*4096)
 
@@ -76,7 +76,7 @@ static void virtio_unmap_page(struct device *dev, dma_addr_t dev_addr,
 					size, dir, attrs);
 }
 
-size_t virtio_max_mapping_size(struct device *dev)
+static size_t virtio_max_mapping_size(struct device *dev)
 {
 	return VIRTIO_MAX_BOUNCE_SIZE;
 }