196 	struct pid_namespace *ns;  in proc_kill_sb()  local
198 	ns = (struct pid_namespace *)sb->s_fs_info;  in proc_kill_sb()
199 	if (ns->proc_self)  in proc_kill_sb()
200 		dput(ns->proc_self);  in proc_kill_sb()
201 	if (ns->proc_thread_self)  in proc_kill_sb()
202 		dput(ns->proc_thread_self);  in proc_kill_sb()
204 	put_pid_ns(ns);  in proc_kill_sb()
302 int pid_ns_prepare_proc(struct pid_namespace *ns)  in pid_ns_prepare_proc()  argument
312 	if (fc->user_ns != ns->user_ns) {  in pid_ns_prepare_proc()
314 		fc->user_ns = get_user_ns(ns->user_ns);  in pid_ns_prepare_proc()
318 	if (ctx->pid_ns != ns) {  in pid_ns_prepare_proc()
320 		get_pid_ns(ns);  in pid_ns_prepare_proc()
321 		ctx->pid_ns = ns;  in pid_ns_prepare_proc()
329 	ns->proc_mnt = mnt;  in pid_ns_prepare_proc()
333 void pid_ns_release_proc(struct pid_namespace *ns)  in pid_ns_release_proc()  argument
335 	kern_unmount(ns->proc_mnt);  in pid_ns_release_proc()