6527 				struct buffer_data_read_page *data_page)  in ring_buffer_free_read_page()  argument
6530 	struct buffer_data_page *bpage = data_page->data;  in ring_buffer_free_read_page()
6544 	if (page_ref_count(page) > 1 || data_page->order != buffer->subbuf_order)  in ring_buffer_free_read_page()
6559 	free_pages((unsigned long)bpage, data_page->order);  in ring_buffer_free_read_page()
6560 	kfree(data_page);  in ring_buffer_free_read_page()
6599 			  struct buffer_data_read_page *data_page,  in ring_buffer_read_page()  argument
6623 	if (!data_page || !data_page->data)  in ring_buffer_read_page()
6626 	if (data_page->order != buffer->subbuf_order)  in ring_buffer_read_page()
6629 	bpage = data_page->data;  in ring_buffer_read_page()
6724 		reader->page = data_page->data;  in ring_buffer_read_page()
6728 		data_page->data = bpage;  in ring_buffer_read_page()