102  * contiguous slots tracking: free slots are treated contiguous no matter
286 		mem->slots[i].list = IO_TLB_SEGSIZE - io_tlb_offset(i);  in swiotlb_init_io_tlb_mem()
287 		mem->slots[i].orig_addr = INVALID_PHYS_ADDR;  in swiotlb_init_io_tlb_mem()
288 		mem->slots[i].alloc_size = 0;  in swiotlb_init_io_tlb_mem()
356 	alloc_size = PAGE_ALIGN(array_size(sizeof(*mem->slots), nslabs));  in swiotlb_init_remap()
357 	mem->slots = memblock_alloc(alloc_size, PAGE_SIZE);  in swiotlb_init_remap()
358 	if (!mem->slots) {  in swiotlb_init_remap()
445 	mem->slots = (void *)__get_free_pages(GFP_KERNEL | __GFP_ZERO,  in swiotlb_init_late()
446 		get_order(array_size(sizeof(*mem->slots), nslabs)));  in swiotlb_init_late()
447 	if (!mem->slots)  in swiotlb_init_late()
481 	slots_size = PAGE_ALIGN(array_size(sizeof(*mem->slots), mem->nslabs));  in swiotlb_exit()
489 		free_pages((unsigned long)mem->slots, get_order(slots_size));  in swiotlb_exit()
494 		memblock_free_late(__pa(mem->slots), slots_size);  in swiotlb_exit()
516 	phys_addr_t orig_addr = mem->slots[index].orig_addr;  in swiotlb_bounce()
517 	size_t alloc_size = mem->slots[index].alloc_size;  in swiotlb_bounce()
631 	 * unaligned slots once we found an aligned one.  For allocations of  in swiotlb_do_find_slots()
664 			if (mem->slots[slot_index].list >= nslots)  in swiotlb_do_find_slots()
676 		mem->slots[i].list = 0;  in swiotlb_do_find_slots()
677 		mem->slots[i].alloc_size = alloc_size - (offset +  in swiotlb_do_find_slots()
682 	     mem->slots[i].list; i--)  in swiotlb_do_find_slots()
683 		mem->slots[i].list = ++count;  in swiotlb_do_find_slots()
757 	"swiotlb buffer is full (sz: %zd bytes), total %lu (slots), used %lu (slots)\n",  in swiotlb_tbl_map_single()
768 		mem->slots[index + i].orig_addr = slot_addr(orig_addr, i);  in swiotlb_tbl_map_single()
787 	int nslots = nr_slots(mem->slots[index].alloc_size + offset);  in swiotlb_release_slots()
796 	 * with slots below and above the pool being returned.  in swiotlb_release_slots()
802 		count = mem->slots[index + nslots].list;  in swiotlb_release_slots()
807 	 * Step 1: return the slots to the free list, merging the slots with  in swiotlb_release_slots()
808 	 * superceeding slots  in swiotlb_release_slots()
811 		mem->slots[i].list = ++count;  in swiotlb_release_slots()
812 		mem->slots[i].orig_addr = INVALID_PHYS_ADDR;  in swiotlb_release_slots()
813 		mem->slots[i].alloc_size = 0;  in swiotlb_release_slots()
817 	 * Step 2: merge the returned slots with the preceding slots, if  in swiotlb_release_slots()
821 	     io_tlb_offset(i) != IO_TLB_SEGSIZE - 1 && mem->slots[i].list;  in swiotlb_release_slots()
823 		mem->slots[i].list = ++count;  in swiotlb_release_slots()
902 	 * swiotlb_find_slots() skips slots according to  in swiotlb_max_mapping_size()
1000 		mem->slots = kcalloc(nslabs, sizeof(*mem->slots), GFP_KERNEL);  in rmem_swiotlb_device_init()
1001 		if (!mem->slots) {  in rmem_swiotlb_device_init()
1009 			kfree(mem->slots);  in rmem_swiotlb_device_init()