122  * otherwise a segment may span two or more areas. It conflicts with free
142  * swiotlb_adjust_nareas() - adjust the number of areas and slots
143  * @nareas:	Desired number of areas. Zero is treated as 1.
145  * Adjust the default number of areas in a memory pool.
165  * limit_nareas() - get the maximum number of areas for a given memory pool size
166  * @nareas:	Desired number of areas.
169  * Limit the number of areas to the maximum possible number of areas in
172  * Return: Maximum possible number of areas.
280 		spin_lock_init(&mem->areas[i].lock);  in swiotlb_init_io_tlb_pool()
281 		mem->areas[i].index = 0;  in swiotlb_init_io_tlb_pool()
282 		mem->areas[i].used = 0;  in swiotlb_init_io_tlb_pool()
402 	mem->areas = memblock_alloc(array_size(sizeof(struct io_tlb_area),  in swiotlb_init_remap()
404 	if (!mem->areas) {  in swiotlb_init_remap()
405 		pr_warn("%s: Failed to allocate mem->areas.\n", __func__);  in swiotlb_init_remap()
494 	area_order = get_order(array_size(sizeof(*mem->areas), nareas));  in swiotlb_init_late()
495 	mem->areas = (struct io_tlb_area *)  in swiotlb_init_late()
497 	if (!mem->areas)  in swiotlb_init_late()
515 	free_pages((unsigned long)mem->areas, area_order);  in swiotlb_init_late()
541 		area_order = get_order(array_size(sizeof(*mem->areas),  in swiotlb_exit()
543 		free_pages((unsigned long)mem->areas, area_order);  in swiotlb_exit()
547 		memblock_free_late(__pa(mem->areas),  in swiotlb_exit()
548 			array_size(sizeof(*mem->areas), mem->nareas));  in swiotlb_exit()
669  * @nareas:	Number of areas.
694 	pool_size = sizeof(*pool) + array_size(sizeof(*pool->areas), nareas);  in swiotlb_alloc_pool()
698 	pool->areas = (void *)pool + sizeof(*pool);  in swiotlb_alloc_pool()
929  * multiple areas.
979 	struct io_tlb_area *area = pool->areas + area_index;  in swiotlb_search_pool_area()
1257 		used += pool->areas[i].used;  in mem_pool_used()
1266  * areas.
1355 	struct io_tlb_area *area = &mem->areas[aindex];  in swiotlb_release_slots()
1693 		pool->areas = kcalloc(nareas, sizeof(*pool->areas),  in rmem_swiotlb_device_init()
1695 		if (!pool->areas) {  in rmem_swiotlb_device_init()