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Message-Id: <20081028200720.1aa890fb.nishimura@mxp.nes.nec.co.jp>
Date: Tue, 28 Oct 2008 20:07:20 +0900
From: Daisuke Nishimura <nishimura@....nes.nec.co.jp>
To: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
Cc: nishimura@....nes.nec.co.jp,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"linux-mm@...ck.org" <linux-mm@...ck.org>,
"balbir@...ux.vnet.ibm.com" <balbir@...ux.vnet.ibm.com>,
"akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
"menage@...gle.com" <menage@...gle.com>,
"xemul@...nvz.org" <xemul@...nvz.org>
Subject: Re: [PATCH 1/4][mmotm] cgroup: make cgroup config as submenu
On Tue, 28 Oct 2008 19:10:08 +0900, KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com> wrote:
> Making CGROUP related configs to be sub-menu.
>
> This patch will making CGROUP related configs to be sub-menu and
> making 1st level configs of "General Setup" shorter.
>
> including following additional changes
> - add help comment about CGROUPS and GROUP_SCHED.
> - moved MM_OWNER config to the bottom.
> (for good indent in menuconfig)
>
> Changelog: v1->v2
> - applied comments and fixed text.
> - added precise "See Documentation..."
>
> Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
>
Reviewed-by: Daisuke Nishimura <nishimura@....nes.nec.co.jp>
>
> init/Kconfig | 123 ++++++++++++++++++++++++++++++++---------------------------
> 1 file changed, 67 insertions(+), 56 deletions(-)
>
> Index: mmotm-2.6.28rc2+/init/Kconfig
> ===================================================================
> --- mmotm-2.6.28rc2+.orig/init/Kconfig
> +++ mmotm-2.6.28rc2+/init/Kconfig
> @@ -271,59 +271,6 @@ config LOG_BUF_SHIFT
> 13 => 8 KB
> 12 => 4 KB
>
> -config CGROUPS
> - bool "Control Group support"
> - help
> - This option will let you use process cgroup subsystems
> - such as Cpusets
> -
> - Say N if unsure.
> -
> -config CGROUP_DEBUG
> - bool "Example debug cgroup subsystem"
> - depends on CGROUPS
> - default n
> - help
> - This option enables a simple cgroup subsystem that
> - exports useful debugging information about the cgroups
> - framework
> -
> - Say N if unsure
> -
> -config CGROUP_NS
> - bool "Namespace cgroup subsystem"
> - depends on CGROUPS
> - help
> - Provides a simple namespace cgroup subsystem to
> - provide hierarchical naming of sets of namespaces,
> - for instance virtual servers and checkpoint/restart
> - jobs.
> -
> -config CGROUP_FREEZER
> - bool "control group freezer subsystem"
> - depends on CGROUPS
> - help
> - Provides a way to freeze and unfreeze all tasks in a
> - cgroup.
> -
> -config CGROUP_DEVICE
> - bool "Device controller for cgroups"
> - depends on CGROUPS && EXPERIMENTAL
> - help
> - Provides a cgroup implementing whitelists for devices which
> - a process in the cgroup can mknod or open.
> -
> -config CPUSETS
> - bool "Cpuset support"
> - depends on SMP && CGROUPS
> - help
> - This option will let you create and manage CPUSETs which
> - allow dynamically partitioning a system into sets of CPUs and
> - Memory Nodes and assigning tasks to run only within those sets.
> - This is primarily useful on large SMP or NUMA systems.
> -
> - Say N if unsure.
> -
> #
> # Architectures with an unreliable sched_clock() should select this:
> #
> @@ -337,6 +284,8 @@ config GROUP_SCHED
> help
> This feature lets CPU scheduler recognize task groups and control CPU
> bandwidth allocation to such task groups.
> + In order to create a group from arbitrary set of processes, use
> + CONFIG_CGROUPS. (See Control Group support.)
>
> config FAIR_GROUP_SCHED
> bool "Group scheduling for SCHED_OTHER"
> @@ -379,6 +328,66 @@ config CGROUP_SCHED
>
> endchoice
>
> +menu "Control Group support"
> +config CGROUPS
> + bool "Control Group support"
> + help
> + This option add support for grouping sets of processes together, for
> + use with process control subsystems such as Cpusets, CFS, memory
> + controls or device isolation.
> + See
> + - Documentation/cpusets.txt (Cpusets)
> + - Documentation/scheduler/sched-design-CFS.txt (CFS)
> + - Documentation/cgroups/ (features for grouping, isolation)
> + - Documentation/controllers/ (features for resource control)
> +
> + Say N if unsure.
> +
> +config CGROUP_DEBUG
> + bool "Example debug cgroup subsystem"
> + depends on CGROUPS
> + default n
> + help
> + This option enables a simple cgroup subsystem that
> + exports useful debugging information about the cgroups
> + framework
> +
> + Say N if unsure
> +
> +config CGROUP_NS
> + bool "Namespace cgroup subsystem"
> + depends on CGROUPS
> + help
> + Provides a simple namespace cgroup subsystem to
> + provide hierarchical naming of sets of namespaces,
> + for instance virtual servers and checkpoint/restart
> + jobs.
> +
> +config CGROUP_FREEZER
> + bool "control group freezer subsystem"
> + depends on CGROUPS
> + help
> + Provides a way to freeze and unfreeze all tasks in a
> + cgroup.
> +
> +config CGROUP_DEVICE
> + bool "Device controller for cgroups"
> + depends on CGROUPS && EXPERIMENTAL
> + help
> + Provides a cgroup implementing whitelists for devices which
> + a process in the cgroup can mknod or open.
> +
> +config CPUSETS
> + bool "Cpuset support"
> + depends on SMP && CGROUPS
> + help
> + This option will let you create and manage CPUSETs which
> + allow dynamically partitioning a system into sets of CPUs and
> + Memory Nodes and assigning tasks to run only within those sets.
> + This is primarily useful on large SMP or NUMA systems.
> +
> + Say N if unsure.
> +
> config CGROUP_CPUACCT
> bool "Simple CPU accounting cgroup subsystem"
> depends on CGROUPS
> @@ -393,9 +402,6 @@ config RESOURCE_COUNTERS
> infrastructure that works with cgroups
> depends on CGROUPS
>
> -config MM_OWNER
> - bool
> -
> config CGROUP_MEM_RES_CTLR
> bool "Memory Resource Controller for Control Groups"
> depends on CGROUPS && RESOURCE_COUNTERS
> @@ -419,6 +425,11 @@ config CGROUP_MEM_RES_CTLR
> This config option also selects MM_OWNER config option, which
> could in turn add some fork/exit overhead.
>
> +config MM_OWNER
> + bool
> +
> +endmenu
> +
> config SYSFS_DEPRECATED
> bool
>
>
--
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