281 ftrace_graph_get_ret_stack(struct task_struct *task, int idx)  in ftrace_graph_get_ret_stack()  argument
283 	idx = task->curr_ret_stack - idx;  in ftrace_graph_get_ret_stack()
285 	if (idx >= 0 && idx <= task->curr_ret_stack)  in ftrace_graph_get_ret_stack()
286 		return &task->ret_stack[idx];  in ftrace_graph_get_ret_stack()
307 unsigned long ftrace_graph_ret_addr(struct task_struct *task, int *idx,  in ftrace_graph_ret_addr()  argument
310 	int index = task->curr_ret_stack;  in ftrace_graph_ret_addr()
320 		if (task->ret_stack[i].retp == retp)  in ftrace_graph_ret_addr()
321 			return task->ret_stack[i].ret;  in ftrace_graph_ret_addr()
326 unsigned long ftrace_graph_ret_addr(struct task_struct *task, int *idx,  in ftrace_graph_ret_addr()  argument
334 	task_idx = task->curr_ret_stack;  in ftrace_graph_ret_addr()
336 	if (!task->ret_stack || task_idx < *idx)  in ftrace_graph_ret_addr()
342 	return task->ret_stack[task_idx].ret;  in ftrace_graph_ret_addr()