for (i = 0; i < nents; i++) {
                char *virt;
 
-               sg[i].dma_address = page_to_bus(sg[i].page) + sg[i].offset;
-               virt = page_address(sg[i].page) + sg[i].offset;
+               sg[i].dma_address = page_to_bus(sg_page(&sg[i])) + sg[i].offset;
+               virt = sg_virt(&sg[i]);
                dma_cache_sync(dev, virt, sg[i].length, direction);
        }
 
        int i;
 
        for (i = 0; i < nents; i++) {
-               dma_cache_sync(dev, page_address(sg[i].page) + sg[i].offset,
-                              sg[i].length, direction);
+               dma_cache_sync(dev, sg_virt(&sg[i]), sg[i].length, direction);
        }
 }