174 static unsigned int limit_nareas(unsigned int nareas, unsigned long nslots)  in limit_nareas()  argument
176 	if (nslots < nareas * IO_TLB_SEGSIZE)  in limit_nareas()
177 		return nslots / IO_TLB_SEGSIZE;  in limit_nareas()
924 static void inc_used_and_hiwater(struct io_tlb_mem *mem, unsigned int nslots)  in inc_used_and_hiwater()  argument
928 	new_used = atomic_long_add_return(nslots, &mem->total_used);  in inc_used_and_hiwater()
937 static void dec_used(struct io_tlb_mem *mem, unsigned int nslots)  in dec_used()  argument
939 	atomic_long_sub(nslots, &mem->total_used);  in dec_used()
943 static void inc_used_and_hiwater(struct io_tlb_mem *mem, unsigned int nslots)  in inc_used_and_hiwater()  argument
946 static void dec_used(struct io_tlb_mem *mem, unsigned int nslots)  in dec_used()  argument
978 	unsigned int nslots = nr_slots(alloc_size), stride;  in swiotlb_area_find_slots()  local
985 	BUG_ON(!nslots);  in swiotlb_area_find_slots()
1003 	if (unlikely(nslots > pool->area_nslabs - area->used))  in swiotlb_area_find_slots()
1020 		if (!iommu_is_span_boundary(slot_index, nslots,  in swiotlb_area_find_slots()
1023 			if (pool->slots[slot_index].list >= nslots)  in swiotlb_area_find_slots()
1040 	for (i = slot_index; i < slot_index + nslots; i++) {  in swiotlb_area_find_slots()
1053 	area->index = wrap_area_index(pool, index + nslots);  in swiotlb_area_find_slots()
1054 	area->used += nslots;  in swiotlb_area_find_slots()
1057 	inc_used_and_hiwater(dev->dma_io_tlb_mem, nslots);  in swiotlb_area_find_slots()
1320 	int nslots = nr_slots(mem->slots[index].alloc_size + offset);  in swiotlb_release_slots()  local
1334 	if (index + nslots < ALIGN(index + 1, IO_TLB_SEGSIZE))  in swiotlb_release_slots()
1335 		count = mem->slots[index + nslots].list;  in swiotlb_release_slots()
1343 	for (i = index + nslots - 1; i >= index; i--) {  in swiotlb_release_slots()
1357 	area->used -= nslots;  in swiotlb_release_slots()
1360 	dec_used(dev->dma_io_tlb_mem, nslots);  in swiotlb_release_slots()