441 	struct buffer_page	*tail_page;  member
477 	struct buffer_page		*tail_page;	/* write to tail */  member
1039 			       struct buffer_page *tail_page,  in rb_tail_page_update()  argument
1068 	if (tail_page == READ_ONCE(cpu_buffer->tail_page)) {  in rb_tail_page_update()
1094 		(void)cmpxchg(&cpu_buffer->tail_page, tail_page, next_page);  in rb_tail_page_update()
1307 	cpu_buffer->tail_page = cpu_buffer->commit_page = cpu_buffer->head_page;  in rb_allocate_cpu_buffer()
1472 	struct list_head *tail_page, *to_remove, *next_page;  in rb_remove_pages()  local
1492 	tail_page = &cpu_buffer->tail_page->list;  in rb_remove_pages()
1498 	if (cpu_buffer->tail_page == cpu_buffer->reader_page)  in rb_remove_pages()
1499 		tail_page = rb_list_head(tail_page->next);  in rb_remove_pages()
1500 	to_remove = tail_page;  in rb_remove_pages()
1518 	tail_page->next = (struct list_head *)((unsigned long)next_page |  in rb_remove_pages()
1521 	next_page->prev = tail_page;  in rb_remove_pages()
1951 		    struct buffer_page *tail_page,  in rb_handle_head_page()  argument
1966 	type = rb_head_page_set_update(cpu_buffer, next_page, tail_page,  in rb_handle_head_page()
2074 		buffer_tail_page = READ_ONCE(cpu_buffer->tail_page);  in rb_handle_head_page()
2079 		if (buffer_tail_page != tail_page &&  in rb_handle_head_page()
2093 					      tail_page,  in rb_handle_head_page()
2107 	struct buffer_page *tail_page = info->tail_page;  in rb_reset_tail()  local
2122 			tail_page->real_end = 0;  in rb_reset_tail()
2124 		local_sub(length, &tail_page->write);  in rb_reset_tail()
2128 	event = __rb_page_index(tail_page, tail);  in rb_reset_tail()
2138 	tail_page->real_end = tail;  in rb_reset_tail()
2158 		local_sub(length, &tail_page->write);  in rb_reset_tail()
2170 	local_sub(length, &tail_page->write);  in rb_reset_tail()
2182 	struct buffer_page *tail_page = info->tail_page;  in rb_move_tail()  local
2188 	next_page = tail_page;  in rb_move_tail()
2216 	if (rb_is_head_page(cpu_buffer, next_page, &tail_page->list)) {  in rb_move_tail()
2233 						  tail_page,  in rb_move_tail()
2251 				      cpu_buffer->tail_page) &&  in rb_move_tail()
2260 	rb_tail_page_update(cpu_buffer, tail_page, next_page);  in rb_move_tail()
2403 	bpage = READ_ONCE(cpu_buffer->tail_page);  in rb_try_to_discard()
2451 	while (cpu_buffer->commit_page != READ_ONCE(cpu_buffer->tail_page)) {  in rb_set_commit_to_write()
2455 			       rb_is_reader_page(cpu_buffer->tail_page)))  in rb_set_commit_to_write()
2486 	if (unlikely(cpu_buffer->commit_page != READ_ONCE(cpu_buffer->tail_page)))  in rb_set_commit_to_write()
2780 	struct buffer_page *tail_page;  in __rb_reserve_next()  local
2792 	tail_page = info->tail_page = READ_ONCE(cpu_buffer->tail_page);  in __rb_reserve_next()
2793 	write = local_add_return(info->length, &tail_page->write);  in __rb_reserve_next()
2812 	event = __rb_page_index(tail_page, tail);  in __rb_reserve_next()
2815 	local_inc(&tail_page->entries);  in __rb_reserve_next()
2822 		tail_page->page->time_stamp = info->ts;  in __rb_reserve_next()
3324 	if (cpu_buffer->tail_page == cpu_buffer->reader_page)  in ring_buffer_oldest_event_ts()
4320 	cpu_buffer->tail_page = cpu_buffer->head_page;  in rb_reset_cpu()