374 	down_write(&shm_ids(ns).rwsem);  in __shm_close()
393 	up_write(&shm_ids(ns).rwsem);  in __shm_close()
433 	down_write(&shm_ids(ns).rwsem);  in shm_destroy_orphaned()
436 	up_write(&shm_ids(ns).rwsem);  in shm_destroy_orphaned()
508 		down_write(&shm_ids(ns).rwsem);  in exit_shm()
530 		up_write(&shm_ids(ns).rwsem);  in exit_shm()
995 	down_write(&shm_ids(ns).rwsem);  in shmctl_down()
1034 	up_write(&shm_ids(ns).rwsem);  in shmctl_down()
1048 		down_read(&shm_ids(ns).rwsem);  in shmctl_ipc_info()
1050 		up_read(&shm_ids(ns).rwsem);  in shmctl_ipc_info()
1063 		down_read(&shm_ids(ns).rwsem);  in shmctl_shm_info()
1070 		up_read(&shm_ids(ns).rwsem);  in shmctl_shm_info()
1671 	down_write(&shm_ids(ns).rwsem);  in do_shmat()
1679 	up_write(&shm_ids(ns).rwsem);  in do_shmat()