410 	struct task_struct *g, *t;  in alloc_retstack_tasklist()  local
426 	for_each_process_thread(g, t) {  in alloc_retstack_tasklist()
432 		if (t->ret_stack == NULL) {  in alloc_retstack_tasklist()
433 			atomic_set(&t->trace_overrun, 0);  in alloc_retstack_tasklist()
434 			t->curr_ret_stack = -1;  in alloc_retstack_tasklist()
435 			t->curr_ret_depth = -1;  in alloc_retstack_tasklist()
438 			t->ret_stack = ret_stack_list[start++];  in alloc_retstack_tasklist()
527 graph_init_task(struct task_struct *t, struct ftrace_ret_stack *ret_stack)  in graph_init_task()  argument
529 	atomic_set(&t->trace_overrun, 0);  in graph_init_task()
530 	t->ftrace_timestamp = 0;  in graph_init_task()
533 	t->ret_stack = ret_stack;  in graph_init_task()
540 void ftrace_graph_init_idle_task(struct task_struct *t, int cpu)  in ftrace_graph_init_idle_task()  argument
542 	t->curr_ret_stack = -1;  in ftrace_graph_init_idle_task()
543 	t->curr_ret_depth = -1;  in ftrace_graph_init_idle_task()
548 	if (t->ret_stack)  in ftrace_graph_init_idle_task()
549 		WARN_ON(t->ret_stack != per_cpu(idle_ret_stack, cpu));  in ftrace_graph_init_idle_task()
564 		graph_init_task(t, ret_stack);  in ftrace_graph_init_idle_task()
569 void ftrace_graph_init_task(struct task_struct *t)  in ftrace_graph_init_task()  argument
572 	t->ret_stack = NULL;  in ftrace_graph_init_task()
573 	t->curr_ret_stack = -1;  in ftrace_graph_init_task()
574 	t->curr_ret_depth = -1;  in ftrace_graph_init_task()
584 		graph_init_task(t, ret_stack);  in ftrace_graph_init_task()
588 void ftrace_graph_exit_task(struct task_struct *t)  in ftrace_graph_exit_task()  argument
590 	struct ftrace_ret_stack	*ret_stack = t->ret_stack;  in ftrace_graph_exit_task()
592 	t->ret_stack = NULL;  in ftrace_graph_exit_task()