431 	struct buffer_page	*tail_page;  member
508 	struct buffer_page		*tail_page;	/* write to tail */  member
775 	struct buffer_page *tail_page = READ_ONCE(cpu_buffer->tail_page);  in verify_event()  local
784 		if (page == tail_page || WARN_ON_ONCE(stop++ > 100))  in verify_event()
852 		return rb_fix_abs_ts(ts, cpu_buffer->tail_page->page->time_stamp);  in ring_buffer_event_time_stamp()
1512 			       struct buffer_page *tail_page,  in rb_tail_page_update()  argument
1542 	if (tail_page == READ_ONCE(cpu_buffer->tail_page)) {  in rb_tail_page_update()
1568 		(void)cmpxchg(&cpu_buffer->tail_page, tail_page, next_page);  in rb_tail_page_update()
1784 	cpu_buffer->tail_page = cpu_buffer->commit_page = cpu_buffer->head_page;  in rb_allocate_cpu_buffer()
1950 	struct list_head *tail_page, *to_remove, *next_page;  in rb_remove_pages()  local
1970 	tail_page = &cpu_buffer->tail_page->list;  in rb_remove_pages()
1976 	if (cpu_buffer->tail_page == cpu_buffer->reader_page)  in rb_remove_pages()
1977 		tail_page = rb_list_head(tail_page->next);  in rb_remove_pages()
1978 	to_remove = tail_page;  in rb_remove_pages()
1996 	tail_page->next = (struct list_head *)((unsigned long)next_page |  in rb_remove_pages()
1999 	next_page->prev = tail_page;  in rb_remove_pages()
2490 		    struct buffer_page *tail_page,  in rb_handle_head_page()  argument
2505 	type = rb_head_page_set_update(cpu_buffer, next_page, tail_page,  in rb_handle_head_page()
2614 		buffer_tail_page = READ_ONCE(cpu_buffer->tail_page);  in rb_handle_head_page()
2619 		if (buffer_tail_page != tail_page &&  in rb_handle_head_page()
2633 					      tail_page,  in rb_handle_head_page()
2647 	struct buffer_page *tail_page = info->tail_page;  in rb_reset_tail()  local
2662 			tail_page->real_end = 0;  in rb_reset_tail()
2664 		local_sub(length, &tail_page->write);  in rb_reset_tail()
2668 	event = __rb_page_index(tail_page, tail);  in rb_reset_tail()
2678 	tail_page->real_end = tail;  in rb_reset_tail()
2701 		local_sub(length, &tail_page->write);  in rb_reset_tail()
2716 	local_sub(length, &tail_page->write);  in rb_reset_tail()
2728 	struct buffer_page *tail_page = info->tail_page;  in rb_move_tail()  local
2734 	next_page = tail_page;  in rb_move_tail()
2762 	if (rb_is_head_page(next_page, &tail_page->list)) {  in rb_move_tail()
2779 						  tail_page,  in rb_move_tail()
2797 				      cpu_buffer->tail_page) &&  in rb_move_tail()
2806 	rb_tail_page_update(cpu_buffer, tail_page, next_page);  in rb_move_tail()
3022 	bpage = READ_ONCE(cpu_buffer->tail_page);  in rb_try_to_discard()
3103 	while (cpu_buffer->commit_page != READ_ONCE(cpu_buffer->tail_page)) {  in rb_set_commit_to_write()
3107 			       rb_is_reader_page(cpu_buffer->tail_page)))  in rb_set_commit_to_write()
3134 	if (unlikely(cpu_buffer->commit_page != READ_ONCE(cpu_buffer->tail_page)))  in rb_set_commit_to_write()
3472 	bpage = info->tail_page->page;  in check_buffer()
3562 	struct buffer_page *tail_page;  in __rb_reserve_next()  local
3568 	tail_page = info->tail_page = READ_ONCE(cpu_buffer->tail_page);  in __rb_reserve_next()
3570  /*A*/	w = local_read(&tail_page->write) & RB_WRITE_MASK;  in __rb_reserve_next()
3599  /*C*/	write = local_add_return(info->length, &tail_page->write);  in __rb_reserve_next()
3661  /*E*/		if (write == (local_read(&tail_page->write) & RB_WRITE_MASK) &&  in __rb_reserve_next()
3692 	event = __rb_page_index(tail_page, tail);  in __rb_reserve_next()
3695 	local_inc(&tail_page->entries);  in __rb_reserve_next()
3702 		tail_page->page->time_stamp = info->ts;  in __rb_reserve_next()
4209 	if (cpu_buffer->tail_page == cpu_buffer->reader_page)  in ring_buffer_oldest_event_ts()
5261 	cpu_buffer->tail_page = cpu_buffer->head_page;  in rb_reset_cpu()