Cedric Le Goater wrote: > Serge E. Hallyn wrote: >> Quoting Pavel Emelyanov (xemul@xxxxxxxxxx): >>> Hi, guys! >>> >>> I've noticed that compiling out all the core related to >>> cloning and cleaning the new namespace saves us more than >>> a Kbyte (!) from the vmlinux. >>> >>> add/remove: 19/0 grow/shrink: 6/6 up/down: 1532/-336 (1196) >>> function old new delta >>> copy_user_ns - 181 +181 >>> copy_ipcs - 149 +149 >>> copy_utsname - 120 +120 >>> shm_exit_ns - 106 +106 >>> sem_exit_ns - 106 +106 >>> msg_exit_ns - 106 +106 >>> freeary - 100 +100 >>> release_uids - 95 +95 >>> freeque - 92 +92 >>> free_nsproxy 48 99 +51 >>> __sem_init_ns - 45 +45 >>> shm_init_ns - 42 +42 >>> sem_init_ns - 42 +42 >>> msg_init_ns - 42 +42 >>> __shm_init_ns - 38 +38 >>> create_new_namespaces 300 335 +35 >>> __msg_init_ns - 31 +31 >>> sysvipc_proc_release 5 35 +30 >>> free_ipc_ns - 30 +30 >>> do_shm_rmid - 29 +29 >>> shm_release 18 39 +21 >>> free_user_ns - 16 +16 >>> sysvipc_proc_open 100 111 +11 >>> do_shmat 778 787 +9 >>> free_uts_ns - 5 +5 >>> sys_shmctl 1934 1907 -27 >>> msg_init 82 47 -35 >>> shm_init 92 47 -45 >>> sem_init 99 44 -55 >>> sys_msgctl 1394 1311 -83 >>> sys_semctl 2123 2032 -91 >>> >>> Since there already were some questions like "do I need it >>> on my cellphone?" in reply to pid namespaces patches and >>> so on, why don't we make ALL the namespaces cloning code >>> under the config option to make those people happy? >>> >>> Here's the proposed patch. >> How about a single config variable for all namespaces? > > yes good idea. oops, that done already in the patch : CONFIG_NAMESPACES thanks :) C. _______________________________________________ Containers mailing list Containers@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/containers