371             dma_addr_t mlen = pgleft;  in gpadl_iter_io()  local
377             iter->map = dma_memory_map(iter->as, maddr, &mlen, iter->dir,  in gpadl_iter_io()
379             if (mlen != pgleft) {  in gpadl_iter_io()
380                 dma_memory_unmap(iter->as, iter->map, mlen, iter->dir, 0);  in gpadl_iter_io()
481         dma_addr_t mlen = MIN(sg[i].len - off, len);  in vmbus_map_sgl()  local
483         len -= mlen;  in vmbus_map_sgl()
486         for (; mlen; ret_cnt++) {  in vmbus_map_sgl()
487             dma_addr_t l = mlen;  in vmbus_map_sgl()
503             mlen -= l;  in vmbus_map_sgl()
569     dma_addr_t mlen = sizeof(*rb);  in ringbuf_map_hdr()  local
571     rb = dma_memory_map(ringbuf->as, ringbuf->rb_addr, &mlen,  in ringbuf_map_hdr()
573     if (mlen != sizeof(*rb)) {  in ringbuf_map_hdr()
574         dma_memory_unmap(ringbuf->as, rb, mlen,  in ringbuf_map_hdr()