276 	down_write(&shm_ids(ns).rwsem);  in shm_close()
295 	up_write(&shm_ids(ns).rwsem);  in shm_close()
323 	down_write(&shm_ids(ns).rwsem);  in shm_destroy_orphaned()
326 	up_write(&shm_ids(ns).rwsem);  in shm_destroy_orphaned()
344 		down_read(&shm_ids(ns).rwsem);  in exit_shm()
352 		up_read(&shm_ids(ns).rwsem);  in exit_shm()
361 	down_write(&shm_ids(ns).rwsem);  in exit_shm()
373 	up_write(&shm_ids(ns).rwsem);  in exit_shm()
824 	down_write(&shm_ids(ns).rwsem);  in shmctl_down()
863 	up_write(&shm_ids(ns).rwsem);  in shmctl_down()
894 		down_read(&shm_ids(ns).rwsem);  in shmctl_nolock()
896 		up_read(&shm_ids(ns).rwsem);  in shmctl_nolock()
907 		down_read(&shm_ids(ns).rwsem);  in shmctl_nolock()
914 		up_read(&shm_ids(ns).rwsem);  in shmctl_nolock()
1227 	down_write(&shm_ids(ns).rwsem);  in do_shmat()
1234 	up_write(&shm_ids(ns).rwsem);  in do_shmat()