stop_tsk          201 ipc/msg.c      	struct task_struct *stop_tsk = NULL;
stop_tsk          213 ipc/msg.c      		else if (stop_tsk == mss->tsk)
stop_tsk          223 ipc/msg.c      			if (!stop_tsk)
stop_tsk          224 ipc/msg.c      				stop_tsk = mss->tsk;