ib_dma_unmap_page
ib_dma_unmap_page(priv->ca, mapping[i], PAGE_SIZE, DMA_FROM_DEVICE);
ib_dma_unmap_page(priv->ca, mapping[i + 1], PAGE_SIZE, DMA_FROM_DEVICE);
ib_dma_unmap_page(ca, mapping[i - !off], skb_frag_size(frag), DMA_TO_DEVICE);
ib_dma_unmap_page(priv->ca, mapping[i + off],
ib_dma_unmap_page(ndev->device, sge->addr,
ib_dma_unmap_page(ndev->device, sge->addr,
ib_dma_unmap_page(state->device,
ib_dma_unmap_page(sc->ib.dev,
ib_dma_unmap_page(rdmab_device(rb), sge->addr, sge->length,
ib_dma_unmap_page(device,