shm_lock          152 ipc/shm.c      	shp = shm_lock(sfd->ns, sfd->id);
shm_lock          199 ipc/shm.c      	shp = shm_lock(ns, sfd->id);
shm_lock          701 ipc/shm.c      			shp = shm_lock(ns, shmid);
shm_lock          920 ipc/shm.c      	shp = shm_lock(ns, shmid);