a77aea9201
The ns_cgroup is an annoying cgroup at the namespace / cgroup frontier and
leads to some problems:
* cgroup creation is out-of-control
* cgroup name can conflict when pids are looping
* it is not possible to have a single process handling a lot of
namespaces without falling in a exponential creation time
* we may want to create a namespace without creating a cgroup
The ns_cgroup was replaced by a compatibility flag 'clone_children',
where a newly created cgroup will copy the parent cgroup values.
The userspace has to manually create a cgroup and add a task to
the 'tasks' file.
This patch removes the ns_cgroup as suggested in the following thread:
https://lists.linux-foundation.org/pipermail/containers/2009-June/018616.html
The 'cgroup_clone' function is removed because it is no longer used.
This is a userspace-visible change. Commit 45531757b4 ("cgroup: notify
ns_cgroup deprecated") (merged into 2.6.27) caused the kernel to emit a
printk warning users that the feature is planned for removal. Since that
time we have heard from XXX users who were affected by this.
Signed-off-by: Daniel Lezcano <daniel.lezcano@free.fr>
Signed-off-by: Serge E. Hallyn <serge.hallyn@canonical.com>
Cc: Eric W. Biederman <ebiederm@xmission.com>
Cc: Jamal Hadi Salim <hadi@cyberus.ca>
Reviewed-by: Li Zefan <lizf@cn.fujitsu.com>
Acked-by: Paul Menage <menage@google.com>
Acked-by: Matt Helsley <matthltc@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
111 lines
2.5 KiB
Text
111 lines
2.5 KiB
Text
CONFIG_EXPERIMENTAL=y
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CONFIG_SYSVIPC=y
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CONFIG_POSIX_MQUEUE=y
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CONFIG_BSD_PROCESS_ACCT=y
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CONFIG_AUDIT=y
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CONFIG_AUDITSYSCALL=y
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CONFIG_RCU_TRACE=y
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CONFIG_IKCONFIG=y
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CONFIG_IKCONFIG_PROC=y
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CONFIG_LOG_BUF_SHIFT=14
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CONFIG_CGROUPS=y
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CONFIG_CGROUP_FREEZER=y
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CONFIG_CGROUP_DEVICE=y
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CONFIG_CGROUP_CPUACCT=y
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CONFIG_RESOURCE_COUNTERS=y
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CONFIG_CGROUP_MEM_RES_CTLR=y
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CONFIG_RELAY=y
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CONFIG_NAMESPACES=y
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CONFIG_UTS_NS=y
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CONFIG_IPC_NS=y
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CONFIG_USER_NS=y
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CONFIG_PID_NS=y
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# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
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CONFIG_KALLSYMS_ALL=y
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CONFIG_SLOB=y
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CONFIG_PROFILING=y
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CONFIG_OPROFILE=y
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CONFIG_KPROBES=y
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CONFIG_MODULES=y
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CONFIG_MODULE_UNLOAD=y
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# CONFIG_BLK_DEV_BSG is not set
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CONFIG_CPU_SUBTYPE_SHX3=y
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CONFIG_MEMORY_START=0x0c000000
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CONFIG_NUMA=y
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CONFIG_PAGE_SIZE_64KB=y
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CONFIG_MEMORY_HOTPLUG=y
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CONFIG_MEMORY_HOTREMOVE=y
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CONFIG_SH_STORE_QUEUES=y
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CONFIG_SH_X3PROTO=y
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CONFIG_NO_HZ=y
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CONFIG_HIGH_RES_TIMERS=y
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CONFIG_CPU_FREQ=y
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CONFIG_CPU_FREQ_GOV_POWERSAVE=m
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CONFIG_CPU_FREQ_GOV_USERSPACE=m
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CONFIG_CPU_FREQ_GOV_ONDEMAND=m
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CONFIG_CPU_FREQ_GOV_CONSERVATIVE=m
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CONFIG_SH_CPU_FREQ=y
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CONFIG_HEARTBEAT=y
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CONFIG_KEXEC=y
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CONFIG_SECCOMP=y
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CONFIG_SMP=y
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CONFIG_PREEMPT=y
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CONFIG_CMDLINE_OVERWRITE=y
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CONFIG_CMDLINE="console=ttySC0,115200 earlyprintk=bios ignore_loglevel"
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CONFIG_BINFMT_MISC=y
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CONFIG_NET=y
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CONFIG_INET=y
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CONFIG_IP_PNP=y
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CONFIG_IP_PNP_DHCP=y
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# CONFIG_INET_LRO is not set
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CONFIG_CAN=m
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CONFIG_CAN_RAW=m
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CONFIG_CAN_BCM=m
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CONFIG_CAN_VCAN=m
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CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
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# CONFIG_FW_LOADER is not set
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CONFIG_BLK_DEV_RAM=y
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CONFIG_BLK_DEV_SD=y
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CONFIG_ATA=y
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CONFIG_PATA_PLATFORM=y
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CONFIG_NETDEVICES=y
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CONFIG_NET_ETHERNET=y
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CONFIG_SMC91X=y
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# CONFIG_NETDEV_1000 is not set
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# CONFIG_NETDEV_10000 is not set
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# CONFIG_INPUT is not set
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# CONFIG_SERIO is not set
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# CONFIG_VT is not set
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CONFIG_SERIAL_SH_SCI=y
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CONFIG_SERIAL_SH_SCI_CONSOLE=y
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# CONFIG_HW_RANDOM is not set
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CONFIG_I2C=m
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CONFIG_SPI=y
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# CONFIG_HWMON is not set
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CONFIG_WATCHDOG=y
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CONFIG_VIDEO_OUTPUT_CONTROL=m
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CONFIG_USB=y
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CONFIG_USB_MON=y
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CONFIG_USB_R8A66597_HCD=m
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CONFIG_USB_GADGET=y
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CONFIG_USB_GADGET_M66592=y
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CONFIG_RTC_CLASS=y
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CONFIG_RTC_DRV_SH=y
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CONFIG_UIO=m
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CONFIG_EXT2_FS=y
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CONFIG_EXT3_FS=y
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# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set
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CONFIG_PROC_KCORE=y
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CONFIG_TMPFS=y
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CONFIG_HUGETLBFS=y
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# CONFIG_ENABLE_MUST_CHECK is not set
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CONFIG_MAGIC_SYSRQ=y
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CONFIG_DEBUG_KERNEL=y
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CONFIG_DEBUG_SHIRQ=y
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CONFIG_DETECT_HUNG_TASK=y
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CONFIG_DEBUG_VM=y
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CONFIG_FRAME_POINTER=y
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# CONFIG_RCU_CPU_STALL_DETECTOR is not set
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CONFIG_SH_STANDARD_BIOS=y
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CONFIG_DEBUG_STACK_USAGE=y
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# CONFIG_CRYPTO_ANSI_CPRNG is not set
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