// SPDX-License-Identifier: GPL-2.0 #include <linux/pid_namespace.h>#include <linux/cleanup.h> __rust_helper struct pid_namespace *rust_helper_get_pid_ns(struct pid_namespace *ns){	return get_pid_ns(ns);} __rust_helper void rust_helper_put_pid_ns(struct pid_namespace *ns){	put_pid_ns(ns);} /* Get a reference on a task's pid namespace. */__rust_helper struct pid_namespace *rust_helper_task_get_pid_ns(struct task_struct *task){	struct pid_namespace *pid_ns; 	guard(rcu)();	pid_ns = task_active_pid_ns(task);	if (pid_ns)		get_pid_ns(pid_ns);	return pid_ns;}