find_get_pid函数 struct pid *find_get_pid(pid_t nr) { struct pid *pid; rcu_read_lock(); pid = get_pid(find_vpid(nr)); rcu_read_unlock(); return pid; } EXPORT_SYMBOL_GPL(find_get_pid); __task_pid_nr_ns函数 pid_t __task_pid_nr_ns(struct task_struct *task, enum pid_ty...