435 static int active_cacheline_read_overlap(phys_addr_t cln)  in active_cacheline_read_overlap()  argument
440 		if (radix_tree_tag_get(&dma_active_cacheline, cln, i))  in active_cacheline_read_overlap()
445 static int active_cacheline_set_overlap(phys_addr_t cln, int overlap)  in active_cacheline_set_overlap()  argument
454 			radix_tree_tag_set(&dma_active_cacheline, cln, i);  in active_cacheline_set_overlap()
456 			radix_tree_tag_clear(&dma_active_cacheline, cln, i);  in active_cacheline_set_overlap()
461 static void active_cacheline_inc_overlap(phys_addr_t cln)  in active_cacheline_inc_overlap()  argument
463 	int overlap = active_cacheline_read_overlap(cln);  in active_cacheline_inc_overlap()
465 	overlap = active_cacheline_set_overlap(cln, ++overlap);  in active_cacheline_inc_overlap()
472 		  ACTIVE_CACHELINE_MAX_OVERLAP, &cln);  in active_cacheline_inc_overlap()
475 static int active_cacheline_dec_overlap(phys_addr_t cln)  in active_cacheline_dec_overlap()  argument
477 	int overlap = active_cacheline_read_overlap(cln);  in active_cacheline_dec_overlap()
479 	return active_cacheline_set_overlap(cln, --overlap);  in active_cacheline_dec_overlap()
484 	phys_addr_t cln = to_cacheline_number(entry);  in active_cacheline_insert()  local
496 	rc = radix_tree_insert(&dma_active_cacheline, cln, entry);  in active_cacheline_insert()
498 		active_cacheline_inc_overlap(cln);  in active_cacheline_insert()
506 	phys_addr_t cln = to_cacheline_number(entry);  in active_cacheline_remove()  local
518 	if (active_cacheline_dec_overlap(cln) < 0)  in active_cacheline_remove()
519 		radix_tree_delete(&dma_active_cacheline, cln);  in active_cacheline_remove()
529 	phys_addr_t cln;  in debug_dma_dump_mappings()  local
539 				cln = to_cacheline_number(entry);  in debug_dma_dump_mappings()
545 					 &cln, dir2name[entry->direction],  in debug_dma_dump_mappings()
561 	phys_addr_t cln;  in dump_show()  local
570 			cln = to_cacheline_number(entry);  in dump_show()
578 				   &cln, dir2name[entry->direction],  in dump_show()