431 	struct buffer_page	*tail_page;  member
492 	struct buffer_page		*tail_page;	/* write to tail */  member
630 	struct buffer_page *tail_page = READ_ONCE(cpu_buffer->tail_page);  in verify_event()  local
639 		if (page == tail_page || WARN_ON_ONCE(stop++ > 100))  in verify_event()
707 		return rb_fix_abs_ts(ts, cpu_buffer->tail_page->page->time_stamp);  in ring_buffer_event_time_stamp()
1415 			       struct buffer_page *tail_page,  in rb_tail_page_update()  argument
1444 	if (tail_page == READ_ONCE(cpu_buffer->tail_page)) {  in rb_tail_page_update()
1470 		if (try_cmpxchg(&cpu_buffer->tail_page, &tail_page, next_page))  in rb_tail_page_update()
2098 		cpu_buffer->tail_page = bpage;  in rb_meta_buffer_update()
2296 	    !cpu_buffer->head_page || !cpu_buffer->commit_page || !cpu_buffer->tail_page) {  in rb_allocate_cpu_buffer()
2298 		    (cpu_buffer->head_page || cpu_buffer->commit_page || cpu_buffer->tail_page)) {  in rb_allocate_cpu_buffer()
2304 			if (!cpu_buffer->tail_page)  in rb_allocate_cpu_buffer()
2310 		cpu_buffer->tail_page = cpu_buffer->commit_page = cpu_buffer->head_page;  in rb_allocate_cpu_buffer()
2607 	struct list_head *tail_page, *to_remove, *next_page;  in rb_remove_pages()  local
2627 	tail_page = &cpu_buffer->tail_page->list;  in rb_remove_pages()
2633 	if (cpu_buffer->tail_page == cpu_buffer->reader_page)  in rb_remove_pages()
2634 		tail_page = rb_list_head(tail_page->next);  in rb_remove_pages()
2635 	to_remove = tail_page;  in rb_remove_pages()
2655 	tail_page->next = (struct list_head *)((unsigned long)next_page |  in rb_remove_pages()
2658 	next_page->prev = tail_page;  in rb_remove_pages()
3217 		    struct buffer_page *tail_page,  in rb_handle_head_page()  argument
3232 	type = rb_head_page_set_update(cpu_buffer, next_page, tail_page,  in rb_handle_head_page()
3343 		buffer_tail_page = READ_ONCE(cpu_buffer->tail_page);  in rb_handle_head_page()
3348 		if (buffer_tail_page != tail_page &&  in rb_handle_head_page()
3362 					      tail_page,  in rb_handle_head_page()
3377 	struct buffer_page *tail_page = info->tail_page;  in rb_reset_tail()  local
3392 			tail_page->real_end = 0;  in rb_reset_tail()
3394 		local_sub(length, &tail_page->write);  in rb_reset_tail()
3398 	event = __rb_page_index(tail_page, tail);  in rb_reset_tail()
3405 	tail_page->real_end = tail;  in rb_reset_tail()
3429 		local_sub(length, &tail_page->write);  in rb_reset_tail()
3447 	local_sub(length, &tail_page->write);  in rb_reset_tail()
3459 	struct buffer_page *tail_page = info->tail_page;  in rb_move_tail()  local
3465 	next_page = tail_page;  in rb_move_tail()
3493 	if (rb_is_head_page(next_page, &tail_page->list)) {  in rb_move_tail()
3510 						  tail_page,  in rb_move_tail()
3528 				      cpu_buffer->tail_page) &&  in rb_move_tail()
3537 	rb_tail_page_update(cpu_buffer, tail_page, next_page);  in rb_move_tail()
3732 	bpage = READ_ONCE(cpu_buffer->tail_page);  in rb_try_to_discard()
3807 	while (cpu_buffer->commit_page != READ_ONCE(cpu_buffer->tail_page)) {  in rb_set_commit_to_write()
3811 			       rb_is_reader_page(cpu_buffer->tail_page)))  in rb_set_commit_to_write()
3848 	if (unlikely(cpu_buffer->commit_page != READ_ONCE(cpu_buffer->tail_page)))  in rb_set_commit_to_write()
4275 	bpage = info->tail_page->page;  in check_buffer()
4331 	struct buffer_page *tail_page;  in __rb_reserve_next()  local
4335 	tail_page = info->tail_page = READ_ONCE(cpu_buffer->tail_page);  in __rb_reserve_next()
4337  /*A*/	w = local_read(&tail_page->write) & RB_WRITE_MASK;  in __rb_reserve_next()
4369  /*C*/	write = local_add_return(info->length, &tail_page->write);  in __rb_reserve_next()
4418  /*F*/		if (write == (local_read(&tail_page->write) & RB_WRITE_MASK) &&  in __rb_reserve_next()
4451 	event = __rb_page_index(tail_page, tail);  in __rb_reserve_next()
4454 	local_inc(&tail_page->entries);  in __rb_reserve_next()
4461 		tail_page->page->time_stamp = info->ts;  in __rb_reserve_next()
4950 	if (cpu_buffer->tail_page == cpu_buffer->reader_page)  in ring_buffer_oldest_event_ts()
6038 	cpu_buffer->tail_page = cpu_buffer->head_page;  in rb_reset_cpu()
6849 		cpu_buffer->tail_page = cpu_buffer->commit_page = cpu_buffer->head_page;  in ring_buffer_subbuf_order_set()