6346 				struct buffer_data_read_page *data_page)  in ring_buffer_free_read_page()  argument
6349 	struct buffer_data_page *bpage = data_page->data;  in ring_buffer_free_read_page()
6363 	if (page_ref_count(page) > 1 || data_page->order != buffer->subbuf_order)  in ring_buffer_free_read_page()
6378 	free_pages((unsigned long)bpage, data_page->order);  in ring_buffer_free_read_page()
6379 	kfree(data_page);  in ring_buffer_free_read_page()
6418 			  struct buffer_data_read_page *data_page,  in ring_buffer_read_page()  argument
6444 	if (!data_page || !data_page->data)  in ring_buffer_read_page()
6446 	if (data_page->order != buffer->subbuf_order)  in ring_buffer_read_page()
6449 	bpage = data_page->data;  in ring_buffer_read_page()
6544 		reader->page = data_page->data;  in ring_buffer_read_page()
6548 		data_page->data = bpage;  in ring_buffer_read_page()