346 	int curr_ret_stack = current->curr_ret_stack;  in fgraph_reserve_data()  local
355 	val = get_fgraph_entry(current, curr_ret_stack - 1);  in fgraph_reserve_data()
356 	data = &current->ret_stack[curr_ret_stack];  in fgraph_reserve_data()
358 	curr_ret_stack += data_size + 1;  in fgraph_reserve_data()
359 	if (unlikely(curr_ret_stack >= SHADOW_STACK_MAX_OFFSET))  in fgraph_reserve_data()
365 	current->ret_stack[curr_ret_stack - 1] = val;  in fgraph_reserve_data()
369 	current->curr_ret_stack = curr_ret_stack;  in fgraph_reserve_data()
371 	current->ret_stack[curr_ret_stack - 1] = val;  in fgraph_reserve_data()
393 	int offset = current->curr_ret_stack - 1;  in fgraph_retrieve_data()
552 	if (current->curr_ret_stack + FGRAPH_FRAME_OFFSET + 1 >= SHADOW_STACK_MAX_OFFSET) {  in ftrace_push_return_trace()
559 	offset = READ_ONCE(current->curr_ret_stack);  in ftrace_push_return_trace()
580 	WRITE_ONCE(current->curr_ret_stack, offset + 1);  in ftrace_push_return_trace()
632 		int save_curr_ret_stack = current->curr_ret_stack;  in function_graph_enter()
638 			current->curr_ret_stack = save_curr_ret_stack;  in function_graph_enter()
650 			save_curr_ret_stack = current->curr_ret_stack;  in function_graph_enter()
656 				current->curr_ret_stack = save_curr_ret_stack;  in function_graph_enter()
671 	current->curr_ret_stack -= FGRAPH_FRAME_OFFSET + 1;  in function_graph_enter()
684 	ret_stack = get_ret_stack(current, current->curr_ret_stack, offset);  in ftrace_pop_return_trace()
689 		     current->curr_ret_stack);  in ftrace_pop_return_trace()
820 	current->curr_ret_stack = offset - FGRAPH_FRAME_OFFSET;  in __ftrace_return_to_handler()
858 	int offset = task->curr_ret_stack;  in ftrace_graph_get_ret_stack()
895 	int i = task->curr_ret_stack;  in ftrace_graph_ret_addr()
903 	i = *idx ? : task->curr_ret_stack;  in ftrace_graph_ret_addr()
993 			t->curr_ret_stack = 0;  in alloc_retstack_tasklist()
1040 	for (offset = next->curr_ret_stack; offset > 0; ) {  in ftrace_graph_probe_sched_switch()
1055 	t->curr_ret_stack = 0;  in graph_init_task()
1068 	t->curr_ret_stack = 0;  in ftrace_graph_init_idle_task()
1096 	t->curr_ret_stack = 0;  in ftrace_graph_init_task()