471 	unsigned int nslots = nr_slots(alloc_size), stride;  in swiotlb_find_slots()  local
476 	BUG_ON(!nslots);  in swiotlb_find_slots()
488 	if (unlikely(nslots > mem->nslabs - mem->used))  in swiotlb_find_slots()
505 		if (!iommu_is_span_boundary(index, nslots,  in swiotlb_find_slots()
508 			if (mem->slots[index].list >= nslots)  in swiotlb_find_slots()
519 	for (i = index; i < index + nslots; i++) {  in swiotlb_find_slots()
532 	if (index + nslots < mem->nslabs)  in swiotlb_find_slots()
533 		mem->index = index + nslots;  in swiotlb_find_slots()
536 	mem->used += nslots;  in swiotlb_find_slots()
593 	int nslots = nr_slots(mem->slots[index].alloc_size + offset);  in swiotlb_release_slots()  local
603 	if (index + nslots < ALIGN(index + 1, IO_TLB_SEGSIZE))  in swiotlb_release_slots()
604 		count = mem->slots[index + nslots].list;  in swiotlb_release_slots()
612 	for (i = index + nslots - 1; i >= index; i--) {  in swiotlb_release_slots()
626 	mem->used -= nslots;  in swiotlb_release_slots()