6463 static void tracing_spd_release_pipe(struct splice_pipe_desc *spd,  in tracing_spd_release_pipe()  argument
6466 	__free_page(spd->pages[idx]);  in tracing_spd_release_pipe()
6525 	struct splice_pipe_desc spd = {  in tracing_splice_read_pipe()  local
6537 	if (splice_grow_spd(pipe, &spd))  in tracing_splice_read_pipe()
6562 	for (i = 0, rem = len; i < spd.nr_pages_max && rem; i++) {  in tracing_splice_read_pipe()
6563 		spd.pages[i] = alloc_page(GFP_KERNEL);  in tracing_splice_read_pipe()
6564 		if (!spd.pages[i])  in tracing_splice_read_pipe()
6571 					  page_address(spd.pages[i]),  in tracing_splice_read_pipe()
6574 			__free_page(spd.pages[i]);  in tracing_splice_read_pipe()
6577 		spd.partial[i].offset = 0;  in tracing_splice_read_pipe()
6578 		spd.partial[i].len = trace_seq_used(&iter->seq);  in tracing_splice_read_pipe()
6587 	spd.nr_pages = i;  in tracing_splice_read_pipe()
6590 		ret = splice_to_pipe(pipe, &spd);  in tracing_splice_read_pipe()
6594 	splice_shrink_spd(&spd);  in tracing_splice_read_pipe()
7759 static void buffer_spd_release(struct splice_pipe_desc *spd, unsigned int i)  in buffer_spd_release()  argument
7762 		(struct buffer_ref *)spd->partial[i].private;  in buffer_spd_release()
7765 	spd->partial[i].private = 0;  in buffer_spd_release()
7777 	struct splice_pipe_desc spd = {  in tracing_buffers_splice_read()  local
7802 	if (splice_grow_spd(pipe, &spd))  in tracing_buffers_splice_read()
7809 	for (i = 0; i < spd.nr_pages_max && len && entries; i++, len -= PAGE_SIZE) {  in tracing_buffers_splice_read()
7841 		spd.pages[i] = page;  in tracing_buffers_splice_read()
7842 		spd.partial[i].len = PAGE_SIZE;  in tracing_buffers_splice_read()
7843 		spd.partial[i].offset = 0;  in tracing_buffers_splice_read()
7844 		spd.partial[i].private = (unsigned long)ref;  in tracing_buffers_splice_read()
7845 		spd.nr_pages++;  in tracing_buffers_splice_read()
7852 	spd.nr_pages = i;  in tracing_buffers_splice_read()
7855 	if (!spd.nr_pages) {  in tracing_buffers_splice_read()
7870 	ret = splice_to_pipe(pipe, &spd);  in tracing_buffers_splice_read()
7872 	splice_shrink_spd(&spd);  in tracing_buffers_splice_read()