3047 	struct buffer_page *reader = cpu_buffer->reader_page;  in rb_per_cpu_empty()  local
3055 	return reader->read == rb_page_commit(reader) &&  in rb_per_cpu_empty()
3056 		(commit == reader ||  in rb_per_cpu_empty()
3522 	struct buffer_page *reader = NULL;  in rb_get_reader_page()  local
3539 		reader = NULL;  in rb_get_reader_page()
3543 	reader = cpu_buffer->reader_page;  in rb_get_reader_page()
3546 	if (cpu_buffer->reader_page->read < rb_page_size(reader))  in rb_get_reader_page()
3551 		       cpu_buffer->reader_page->read > rb_page_size(reader)))  in rb_get_reader_page()
3555 	reader = NULL;  in rb_get_reader_page()
3575 	reader = rb_set_head_page(cpu_buffer);  in rb_get_reader_page()
3576 	if (!reader)  in rb_get_reader_page()
3578 	cpu_buffer->reader_page->list.next = rb_list_head(reader->list.next);  in rb_get_reader_page()
3579 	cpu_buffer->reader_page->list.prev = reader->list.prev;  in rb_get_reader_page()
3586 	cpu_buffer->pages = reader->list.prev;  in rb_get_reader_page()
3614 	ret = rb_head_page_replace(reader, cpu_buffer->reader_page);  in rb_get_reader_page()
3627 	rb_list_head(reader->list.next)->prev = &cpu_buffer->reader_page->list;  in rb_get_reader_page()
3631 	cpu_buffer->reader_page = reader;  in rb_get_reader_page()
3645 	return reader;  in rb_get_reader_page()
3651 	struct buffer_page *reader;  in rb_advance_reader()  local
3654 	reader = rb_get_reader_page(cpu_buffer);  in rb_advance_reader()
3657 	if (RB_WARN_ON(cpu_buffer, !reader))  in rb_advance_reader()
3723 	struct buffer_page *reader;  in rb_buffer_peek()  local
3736 	reader = rb_get_reader_page(cpu_buffer);  in rb_buffer_peek()
3737 	if (!reader)  in rb_buffer_peek()
4486 	struct buffer_page *reader;  in ring_buffer_read_page()  local
4515 	reader = rb_get_reader_page(cpu_buffer);  in ring_buffer_read_page()
4516 	if (!reader)  in ring_buffer_read_page()
4521 	read = reader->read;  in ring_buffer_read_page()
4522 	commit = rb_page_commit(reader);  in ring_buffer_read_page()
4570 			rpos = reader->read;  in ring_buffer_read_page()
4589 		cpu_buffer->read += rb_page_entries(reader);  in ring_buffer_read_page()
4594 		bpage = reader->page;  in ring_buffer_read_page()
4595 		reader->page = *data_page;  in ring_buffer_read_page()
4596 		local_set(&reader->write, 0);  in ring_buffer_read_page()
4597 		local_set(&reader->entries, 0);  in ring_buffer_read_page()
4598 		reader->read = 0;  in ring_buffer_read_page()
4606 		if (reader->real_end)  in ring_buffer_read_page()
4607 			local_set(&bpage->commit, reader->real_end);  in ring_buffer_read_page()