ipc_rmid          114 ipc/msg.c      	ipc_rmid(&msg_ids(ns), &s->q_perm);
ipc_rmid          485 ipc/sem.c      	ipc_rmid(&sem_ids(ns), &s->sem_perm);
ipc_rmid          231 ipc/shm.c      	ipc_rmid(&shm_ids(ns), &s->shm_perm);
ipc_rmid          136 ipc/util.h     void ipc_rmid(struct ipc_ids *, struct kern_ipc_perm *);