xen-swiotlb: remove the unused size argument from xen_swiotlb_fixup

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>

drivers/xen/swiotlb-xen.c

@@ -104,8 +104,7 @@ static int is_xen_swiotlb_buffer(struct device *dev, dma_addr_t dma_addr)
 	return 0;
 }
 
-static int
-xen_swiotlb_fixup(void *buf, size_t size, unsigned long nslabs)
+static int xen_swiotlb_fixup(void *buf, unsigned long nslabs)
 {
 	int i, rc;
 	int dma_bits;
@@ -195,7 +194,7 @@ int __ref xen_swiotlb_init(void)
 	/*
 	 * And replace that memory with pages under 4GB.
 	 */
-	rc = xen_swiotlb_fixup(start, bytes, nslabs);
+	rc = xen_swiotlb_fixup(start, nslabs);
 	if (rc) {
 		free_pages((unsigned long)start, order);
 		m_ret = XEN_SWIOTLB_EFIXUP;
@@ -243,7 +242,7 @@ void __init xen_swiotlb_init_early(void)
 	/*
 	 * And replace that memory with pages under 4GB.
 	 */
-	rc = xen_swiotlb_fixup(start, bytes, nslabs);
+	rc = xen_swiotlb_fixup(start, nslabs);
 	if (rc) {
 		memblock_free(__pa(start), PAGE_ALIGN(bytes));
 		if (repeat--) {