431 static int active_cacheline_read_overlap(phys_addr_t cln)  in active_cacheline_read_overlap()  argument
436 		if (radix_tree_tag_get(&dma_active_cacheline, cln, i))  in active_cacheline_read_overlap()
441 static int active_cacheline_set_overlap(phys_addr_t cln, int overlap)  in active_cacheline_set_overlap()  argument
450 			radix_tree_tag_set(&dma_active_cacheline, cln, i);  in active_cacheline_set_overlap()
452 			radix_tree_tag_clear(&dma_active_cacheline, cln, i);  in active_cacheline_set_overlap()
457 static void active_cacheline_inc_overlap(phys_addr_t cln)  in active_cacheline_inc_overlap()  argument
459 	int overlap = active_cacheline_read_overlap(cln);  in active_cacheline_inc_overlap()
461 	overlap = active_cacheline_set_overlap(cln, ++overlap);  in active_cacheline_inc_overlap()
468 		  ACTIVE_CACHELINE_MAX_OVERLAP, &cln);  in active_cacheline_inc_overlap()
471 static int active_cacheline_dec_overlap(phys_addr_t cln)  in active_cacheline_dec_overlap()  argument
473 	int overlap = active_cacheline_read_overlap(cln);  in active_cacheline_dec_overlap()
475 	return active_cacheline_set_overlap(cln, --overlap);  in active_cacheline_dec_overlap()
480 	phys_addr_t cln = to_cacheline_number(entry);  in active_cacheline_insert()  local
492 	rc = radix_tree_insert(&dma_active_cacheline, cln, entry);  in active_cacheline_insert()
494 		active_cacheline_inc_overlap(cln);  in active_cacheline_insert()
502 	phys_addr_t cln = to_cacheline_number(entry);  in active_cacheline_remove()  local
514 	if (active_cacheline_dec_overlap(cln) < 0)  in active_cacheline_remove()
515 		radix_tree_delete(&dma_active_cacheline, cln);  in active_cacheline_remove()
525 	phys_addr_t cln;  in debug_dma_dump_mappings()  local
535 				cln = to_cacheline_number(entry);  in debug_dma_dump_mappings()
541 					 &cln, dir2name[entry->direction],  in debug_dma_dump_mappings()
557 	phys_addr_t cln;  in dump_show()  local
566 			cln = to_cacheline_number(entry);  in dump_show()
574 				   &cln, dir2name[entry->direction],  in dump_show()