1012 	struct task_struct *tsk;  in exec_mmap()  local
1016 	tsk = current;  in exec_mmap()
1018 	exec_mm_release(tsk, old_mm);  in exec_mmap()
1034 	task_lock(tsk);  in exec_mmap()
1035 	active_mm = tsk->active_mm;  in exec_mmap()
1037 	tsk->mm = mm;  in exec_mmap()
1038 	tsk->active_mm = mm;  in exec_mmap()
1040 	tsk->mm->vmacache_seqnum = 0;  in exec_mmap()
1041 	vmacache_flush(tsk);  in exec_mmap()
1042 	task_unlock(tsk);  in exec_mmap()
1046 		setmax_mm_hiwater_rss(&tsk->signal->maxrss, old_mm);  in exec_mmap()
1061 static int de_thread(struct task_struct *tsk)  in de_thread()  argument
1063 	struct signal_struct *sig = tsk->signal;  in de_thread()
1064 	struct sighand_struct *oldsighand = tsk->sighand;  in de_thread()
1067 	if (thread_group_empty(tsk))  in de_thread()
1083 	sig->group_exit_task = tsk;  in de_thread()
1084 	sig->notify_count = zap_other_threads(tsk);  in de_thread()
1085 	if (!thread_group_leader(tsk))  in de_thread()
1092 		if (__fatal_signal_pending(tsk))  in de_thread()
1103 	if (!thread_group_leader(tsk)) {  in de_thread()
1104 		struct task_struct *leader = tsk->group_leader;  in de_thread()
1107 			cgroup_threadgroup_change_begin(tsk);  in de_thread()
1118 			cgroup_threadgroup_change_end(tsk);  in de_thread()
1120 			if (__fatal_signal_pending(tsk))  in de_thread()
1134 		tsk->start_time = leader->start_time;  in de_thread()
1135 		tsk->real_start_time = leader->real_start_time;  in de_thread()
1137 		BUG_ON(!same_thread_group(leader, tsk));  in de_thread()
1138 		BUG_ON(has_group_leader_pid(tsk));  in de_thread()
1151 		tsk->pid = leader->pid;  in de_thread()
1152 		change_pid(tsk, PIDTYPE_PID, task_pid(leader));  in de_thread()
1153 		transfer_pid(leader, tsk, PIDTYPE_TGID);  in de_thread()
1154 		transfer_pid(leader, tsk, PIDTYPE_PGID);  in de_thread()
1155 		transfer_pid(leader, tsk, PIDTYPE_SID);  in de_thread()
1157 		list_replace_rcu(&leader->tasks, &tsk->tasks);  in de_thread()
1158 		list_replace_init(&leader->sibling, &tsk->sibling);  in de_thread()
1160 		tsk->group_leader = tsk;  in de_thread()
1161 		leader->group_leader = tsk;  in de_thread()
1163 		tsk->exit_signal = SIGCHLD;  in de_thread()
1177 		cgroup_threadgroup_change_end(tsk);  in de_thread()
1187 	tsk->exit_signal = SIGCHLD;  in de_thread()
1210 		rcu_assign_pointer(tsk->sighand, newsighand);  in de_thread()
1217 	BUG_ON(!thread_group_leader(tsk));  in de_thread()
1229 char *__get_task_comm(char *buf, size_t buf_size, struct task_struct *tsk)  in __get_task_comm()  argument
1231 	task_lock(tsk);  in __get_task_comm()
1232 	strncpy(buf, tsk->comm, buf_size);  in __get_task_comm()
1233 	task_unlock(tsk);  in __get_task_comm()
1243 void __set_task_comm(struct task_struct *tsk, const char *buf, bool exec)  in __set_task_comm()  argument
1245 	task_lock(tsk);  in __set_task_comm()
1246 	trace_task_rename(tsk, buf);  in __set_task_comm()
1247 	strlcpy(tsk->comm, buf, sizeof(tsk->comm));  in __set_task_comm()
1248 	task_unlock(tsk);  in __set_task_comm()
1249 	perf_event_comm(tsk, exec);  in __set_task_comm()