86 #define shm_ids(ns)	((ns)->ids[IPC_SHM_IDS])  macro
106 	ipc_init_ids(&shm_ids(ns));  in shm_init_ns()
122 		ipc_set_key_private(&shm_ids(ns), &shp->shm_perm);  in do_shm_rmid()
131 	free_ipcs(ns, &shm_ids(ns), do_shm_rmid);  in shm_exit_ns()
158 	struct kern_ipc_perm *ipcp = ipc_obtain_object_idr(&shm_ids(ns), id);  in shm_obtain_object()
168 	struct kern_ipc_perm *ipcp = ipc_obtain_object_check(&shm_ids(ns), id);  in shm_obtain_object_check()
185 	ipcp = ipc_obtain_object_idr(&shm_ids(ns), id);  in shm_lock()
231 	ipc_rmid(&shm_ids(ns), &s->shm_perm);  in shm_rmid()
329 	down_write(&shm_ids(ns).rwsem);  in shm_close()
348 	up_write(&shm_ids(ns).rwsem);  in shm_close()
376 	down_write(&shm_ids(ns).rwsem);  in shm_destroy_orphaned()
377 	if (shm_ids(ns).in_use)  in shm_destroy_orphaned()
378 		idr_for_each(&shm_ids(ns).ipcs_idr, &shm_try_destroy_orphaned, ns);  in shm_destroy_orphaned()
379 	up_write(&shm_ids(ns).rwsem);  in shm_destroy_orphaned()
397 		down_read(&shm_ids(ns).rwsem);  in exit_shm()
405 		up_read(&shm_ids(ns).rwsem);  in exit_shm()
414 	down_write(&shm_ids(ns).rwsem);  in exit_shm()
426 	up_write(&shm_ids(ns).rwsem);  in exit_shm()
679 	error = ipc_addid(&shm_ids(ns), &shp->shm_perm, ns->shm_ctlmni);  in newseg()
741 	return ipcget(ns, &shm_ids(ns), &shm_ops, &shm_params);  in ksys_shmget()
868 	in_use = shm_ids(ns).in_use;  in shm_get_stat()
874 		ipc = idr_find(&shm_ids(ns).ipcs_idr, next_id);  in shm_get_stat()
897 	down_write(&shm_ids(ns).rwsem);  in shmctl_down()
900 	ipcp = ipcctl_obtain_check(ns, &shm_ids(ns), shmid, cmd,  in shmctl_down()
936 	up_write(&shm_ids(ns).rwsem);  in shmctl_down()
950 		down_read(&shm_ids(ns).rwsem);  in shmctl_ipc_info()
951 		err = ipc_get_maxidx(&shm_ids(ns));  in shmctl_ipc_info()
952 		up_read(&shm_ids(ns).rwsem);  in shmctl_ipc_info()
965 		down_read(&shm_ids(ns).rwsem);  in shmctl_shm_info()
966 		shm_info->used_ids = shm_ids(ns).in_use;  in shmctl_shm_info()
971 		err = ipc_get_maxidx(&shm_ids(ns));  in shmctl_shm_info()
972 		up_read(&shm_ids(ns).rwsem);  in shmctl_shm_info()
1573 	down_write(&shm_ids(ns).rwsem);  in do_shmat()
1580 	up_write(&shm_ids(ns).rwsem);  in do_shmat()