26 struct pid_namespace {  struct
33 	struct pid_namespace *parent;  argument
46 extern struct pid_namespace init_pid_ns;  argument
51 static inline struct pid_namespace *get_pid_ns(struct pid_namespace *ns)  in get_pid_ns()
59 static inline int pidns_memfd_noexec_scope(struct pid_namespace *ns)  in pidns_memfd_noexec_scope()
69 static inline int pidns_memfd_noexec_scope(struct pid_namespace *ns)  in pidns_memfd_noexec_scope()
75 extern struct pid_namespace *copy_pid_ns(unsigned long flags,
76 	struct user_namespace *user_ns, struct pid_namespace *ns);
77 extern void zap_pid_ns_processes(struct pid_namespace *pid_ns);
78 extern int reboot_pid_ns(struct pid_namespace *pid_ns, int cmd);
79 extern void put_pid_ns(struct pid_namespace *ns);
84 static inline struct pid_namespace *get_pid_ns(struct pid_namespace *ns)  in get_pid_ns()
89 static inline int pidns_memfd_noexec_scope(struct pid_namespace *ns)  in pidns_memfd_noexec_scope()
94 static inline struct pid_namespace *copy_pid_ns(unsigned long flags,  in copy_pid_ns()
95 	struct user_namespace *user_ns, struct pid_namespace *ns)  in copy_pid_ns()
102 static inline void put_pid_ns(struct pid_namespace *ns)  in put_pid_ns()
106 static inline void zap_pid_ns_processes(struct pid_namespace *ns)  in zap_pid_ns_processes()
111 static inline int reboot_pid_ns(struct pid_namespace *pid_ns, int cmd)  in reboot_pid_ns()
117 extern struct pid_namespace *task_active_pid_ns(struct task_struct *tsk);