tag	line	file	source code
shm_atime	8	include/linux/shm.h	time_t  shm_atime;    /* last attach time */
shm_atime	114	ipc/shm.c	shp->shm_atime = shp->shm_dtime = 0;
shm_atime	515	ipc/shm.c	shp->shm_atime = CURRENT_TIME;
shm_atime	622	ipc/shm.c	shp->shm_atime = CURRENT_TIME;