350 	int curr_ret_stack = current->curr_ret_stack;  in fgraph_reserve_data()
359 	val = get_fgraph_entry(current, curr_ret_stack - 1);  in fgraph_reserve_data()
360 	data = &current->ret_stack[curr_ret_stack];  in fgraph_reserve_data()
369 	current->ret_stack[curr_ret_stack - 1] = val;  in fgraph_reserve_data()
373 	current->curr_ret_stack = curr_ret_stack;  in fgraph_reserve_data()
375 	current->ret_stack[curr_ret_stack - 1] = val;  in fgraph_reserve_data()
413 	return ret_stack_get_task_var(current, gops->idx);  in fgraph_get_task_var()
467 	int offset = current->curr_ret_stack;  in fgraph_retrieve_parent_data()
476 		ret_stack = get_ret_stack(current, offset, &next_offset);  in fgraph_retrieve_parent_data()
487 	val = get_fgraph_entry(current, offset);  in fgraph_retrieve_parent_data()
492 		val = get_fgraph_entry(current, offset);  in fgraph_retrieve_parent_data()
498 	return get_data_type_data(current, offset);  in fgraph_retrieve_parent_data()
570 	if (!current->ret_stack)  in ftrace_push_return_trace()
588 	if (current->curr_ret_stack + FGRAPH_FRAME_OFFSET + 1 >= SHADOW_STACK_MAX_OFFSET) {  in ftrace_push_return_trace()
589 		atomic_inc(&current->trace_overrun);  in ftrace_push_return_trace()
593 	offset = READ_ONCE(current->curr_ret_stack);  in ftrace_push_return_trace()
594 	ret_stack = RET_STACK(current, offset);  in ftrace_push_return_trace()
598 	current->ret_stack[offset] = val;  in ftrace_push_return_trace()
614 	WRITE_ONCE(current->curr_ret_stack, offset + 1);  in ftrace_push_return_trace()
622 	current->ret_stack[offset] = val;  in ftrace_push_return_trace()
663 	trace.depth = ++current->curr_ret_depth;  in function_graph_enter_regs()
671 		int save_curr_ret_stack = current->curr_ret_stack;  in function_graph_enter_regs()
677 			current->curr_ret_stack = save_curr_ret_stack;  in function_graph_enter_regs()
689 			save_curr_ret_stack = current->curr_ret_stack;  in function_graph_enter_regs()
695 				current->curr_ret_stack = save_curr_ret_stack;  in function_graph_enter_regs()
706 	set_bitmap(current, offset, bitmap | BIT(0));  in function_graph_enter_regs()
710 	current->curr_ret_stack -= FGRAPH_FRAME_OFFSET + 1;  in function_graph_enter_regs()
712 	current->curr_ret_depth--;  in function_graph_enter_regs()
724 	ret_stack = get_ret_stack(current, current->curr_ret_stack, offset);  in ftrace_pop_return_trace()
729 		     current->curr_ret_stack);  in ftrace_pop_return_trace()
766 	trace->overrun = atomic_read(&current->trace_overrun);  in ftrace_pop_return_trace()
767 	trace->depth = current->curr_ret_depth;  in ftrace_pop_return_trace()
843 	bitmap = get_bitmap_bits(current, offset);  in __ftrace_return_to_handler()
870 	current->curr_ret_stack = offset - FGRAPH_FRAME_OFFSET;  in __ftrace_return_to_handler()
872 	current->curr_ret_depth--;  in __ftrace_return_to_handler()
1204 		    pid != current->pid)  in fgraph_pid_func()