200 	while (!pipe_full(head, tail, pipe->max_usage)) {  in splice_to_pipe()
240 	} else if (pipe_full(head, tail, pipe->max_usage)) {  in add_to_pipe()
258 	unsigned int max_usage = READ_ONCE(pipe->max_usage);  in splice_grow_spd()  local
260 	spd->nr_pages_max = max_usage;  in splice_grow_spd()
261 	if (max_usage <= PIPE_DEF_BUFFERS)  in splice_grow_spd()
264 	spd->pages = kmalloc_array(max_usage, sizeof(struct page *), GFP_KERNEL);  in splice_grow_spd()
265 	spd->partial = kmalloc_array(max_usage, sizeof(struct partial_page),  in splice_grow_spd()
627 	int nbufs = pipe->max_usage;  in iter_file_splice_write()
648 		if (unlikely(nbufs < pipe->max_usage)) {  in iter_file_splice_write()
650 			nbufs = pipe->max_usage;  in iter_file_splice_write()
864 		p_space = pipe->max_usage -  in splice_direct_to_actor()
991 		if (!pipe_full(pipe->head, pipe->tail, pipe->max_usage))  in wait_for_space()
1090 			p_space = opipe->max_usage - pipe_occupancy(opipe->head, opipe->tail);  in do_splice()
1400 	if (!pipe_full(pipe->head, pipe->tail, pipe->max_usage))  in opipe_prep()
1406 	while (pipe_full(pipe->head, pipe->tail, pipe->max_usage)) {  in opipe_prep()
1484 		    pipe_full(o_head, o_tail, opipe->max_usage)) {  in splice_pipe_to_pipe()
1605 		    pipe_full(o_head, o_tail, opipe->max_usage))  in link_pipe()