q_ctime            52 ipc/msg.c      	time64_t q_ctime;		/* last change time */
q_ctime           155 ipc/msg.c      	msq->q_ctime = ktime_get_real_seconds();
q_ctime           425 ipc/msg.c      		msq->q_ctime = ktime_get_real_seconds();
q_ctime           538 ipc/msg.c      	p->msg_ctime  = msq->q_ctime;
q_ctime           542 ipc/msg.c      	p->msg_ctime_high = msq->q_ctime >> 32;
q_ctime          1310 ipc/msg.c      		   msq->q_ctime);