1188 struct file *get_task_exe_file(struct task_struct *task)  in get_task_exe_file()  argument
1193 	task_lock(task);  in get_task_exe_file()
1194 	mm = task->mm;  in get_task_exe_file()
1196 		if (!(task->flags & PF_KTHREAD))  in get_task_exe_file()
1199 	task_unlock(task);  in get_task_exe_file()
1213 struct mm_struct *get_task_mm(struct task_struct *task)  in get_task_mm()  argument
1217 	task_lock(task);  in get_task_mm()
1218 	mm = task->mm;  in get_task_mm()
1220 		if (task->flags & PF_KTHREAD)  in get_task_mm()
1225 	task_unlock(task);  in get_task_mm()
1230 struct mm_struct *mm_access(struct task_struct *task, unsigned int mode)  in mm_access()  argument
1235 	err =  mutex_lock_killable(&task->signal->cred_guard_mutex);  in mm_access()
1239 	mm = get_task_mm(task);  in mm_access()
1241 			!ptrace_may_access(task, mode)) {  in mm_access()
1245 	mutex_unlock(&task->signal->cred_guard_mutex);  in mm_access()
1654 static inline void init_task_pid_links(struct task_struct *task)  in init_task_pid_links()  argument
1659 		INIT_HLIST_NODE(&task->pid_links[type]);  in init_task_pid_links()
1664 init_task_pid(struct task_struct *task, enum pid_type type, struct pid *pid)  in init_task_pid()  argument
1667 		task->thread_pid = pid;  in init_task_pid()
1669 		task->signal->pids[type] = pid;  in init_task_pid()
1720 	struct task_struct *task;  in pidfd_poll()  local
1727 	task = pid_task(pid, PIDTYPE_PID);  in pidfd_poll()
1733 	if (!task || (task->exit_state && thread_group_empty(task)))  in pidfd_poll()
2315 	struct task_struct *task;  in fork_idle()  local
2320 	task = copy_process(&init_struct_pid, 0, cpu_to_node(cpu), &args);  in fork_idle()
2321 	if (!IS_ERR(task)) {  in fork_idle()
2322 		init_idle_pids(task);  in fork_idle()
2323 		init_idle(task, cpu);  in fork_idle()
2326 	return task;  in fork_idle()
2952 	struct task_struct *task = current;  in unshare_files()  local
2961 	*displaced = task->files;  in unshare_files()
2962 	task_lock(task);  in unshare_files()
2963 	task->files = copy;  in unshare_files()
2964 	task_unlock(task);  in unshare_files()