372 	down_write(&shm_ids(ns).rwsem);  in shm_close()
391 	up_write(&shm_ids(ns).rwsem);  in shm_close()
419 	down_write(&shm_ids(ns).rwsem);  in shm_destroy_orphaned()
422 	up_write(&shm_ids(ns).rwsem);  in shm_destroy_orphaned()
494 		down_write(&shm_ids(ns).rwsem);  in exit_shm()
516 		up_write(&shm_ids(ns).rwsem);  in exit_shm()
993 	down_write(&shm_ids(ns).rwsem);  in shmctl_down()
1032 	up_write(&shm_ids(ns).rwsem);  in shmctl_down()
1046 		down_read(&shm_ids(ns).rwsem);  in shmctl_ipc_info()
1048 		up_read(&shm_ids(ns).rwsem);  in shmctl_ipc_info()
1061 		down_read(&shm_ids(ns).rwsem);  in shmctl_shm_info()
1068 		up_read(&shm_ids(ns).rwsem);  in shmctl_shm_info()
1669 	down_write(&shm_ids(ns).rwsem);  in do_shmat()
1677 	up_write(&shm_ids(ns).rwsem);  in do_shmat()