shm_lock_check    708 ipc/shm.c      			shp = shm_lock_check(ns, shmid);
shm_lock_check    740 ipc/shm.c      		shp = shm_lock_check(ns, shmid);
shm_lock_check    858 ipc/shm.c      	shp = shm_lock_check(ns, shmid);