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Date: Fri, 22 Feb 2008 11:55:31 +1100 From: Nick Andrew <nick@...k-andrew.net> To: trivial@...nel.org Cc: linux-kernel@...r.kernel.org, Pavel Emelyanov <xemul@...nvz.org>, Serge Hallyn <serue@...ibm.com>, Randy Dunlap <randy.dunlap@...cle.com>, Paul Menage <menage@...gle.com>, Paul Jackson <pj@....com>, Valdis Kletnieks <Valdis.Kletnieks@...edu> Subject: [PATCH 2.6.25-rc2 6/9] Kconfig: Improve init/Kconfig help descriptions - CGROUPS Rewrite the help descriptions for clarity, accuracy and consistency. Kernel config options affected: - CGROUPS - CGROUP_DEBUG - CPUSETS - GROUP_SCHED - CGROUP_SCHED - CGROUP_CPUACCT - SYSFS_DEPRECATED - CGROUP_MEM_CONT - PROC_PID_CPUSET Signed-off-by: Nick Andrew <nick@...k-andrew.net> --- Try #3. --- a/init/Kconfig 2008-02-20 09:34:48.000000000 +1100 +++ b/init/Kconfig 2008-02-21 08:22:39.000000000 +1100 @@ -276,10 +276,17 @@ config LOG_BUF_SHIFT config CGROUPS bool "Control Group support" help - This option will let you use process cgroup subsystems - such as Cpusets + Control Groups enable processes to be grouped into "cgroups" + to facilitate tracking and resource management. For example + a cgroup can tie a set of processes to a set of CPUs using + "cpusets". - Say N if unsure. + See <file:Documentation/cgroups.txt> for more information. + + If you say Y here, you probably want to enable one or + more of the cgroup subsystem options below. + + If unsure, say N. config CGROUP_DEBUG bool "Example debug cgroup subsystem" @@ -287,9 +294,9 @@ config CGROUP_DEBUG help This option enables a simple cgroup subsystem that exports useful debugging information about the cgroups - framework + framework. - Say N if unsure + If unsure, say N. config CGROUP_NS bool "Namespace cgroup subsystem" @@ -304,19 +311,24 @@ config CPUSETS bool "Cpuset support" depends on SMP && CGROUPS help - This option will let you create and manage CPUSETs which + 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. + See <file:Documentation/cpusets.txt> for more information. + + If unsure, say N. config GROUP_SCHED bool "Group CPU scheduler" default y help - This feature lets CPU scheduler recognize task groups and control CPU - bandwidth allocation to such task groups. + This feature enables the CPU scheduler to recognize task groups + and control CPU bandwidth allocation to such task groups. + + See <file:Documentation/sched-design-CFS.txt> for more information. config FAIR_GROUP_SCHED bool "Group scheduling for SCHED_OTHER" @@ -346,9 +358,10 @@ config CGROUP_SCHED help This option allows you to create arbitrary task groups using the "cgroup" pseudo filesystem and control - the cpu bandwidth allocated to each such task group. - Refer to Documentation/cgroups.txt for more information - on "cgroup" pseudo filesystem. + the CPU bandwidth allocated to each such task group. + + See <file:Documentation/cgroups.txt> for more information + on the "cgroup" pseudo filesystem. endchoice @@ -357,7 +370,7 @@ config CGROUP_CPUACCT depends on CGROUPS help Provides a simple Resource Controller for monitoring the - total CPU consumed by the tasks in a cgroup + total CPU consumed by the tasks in a cgroup. config RESOURCE_COUNTERS bool "Resource counters" @@ -375,6 +388,7 @@ config SYSFS_DEPRECATED "device"-link, the <subsystem>:<name>-link, and the "bus"-link. It may also add deprecated key in the uevent environment. + None of these features or values should be used today, as they export driver core implementation details to userspace or export properties which can't be kept stable across kernel @@ -394,10 +408,20 @@ config CGROUP_MEM_CONT Provides a memory controller that manages both page cache and RSS memory. + If unsure, say N. + config PROC_PID_CPUSET bool "Include legacy /proc/<pid>/cpuset file" depends on CPUSETS default y + help + This option provides the /proc/<pid>/cpuset file. + + This file contains the name of the cpuset in which + the process is executing. For more information, see + <file:Documentation/cpusets.txt> + + If unsure, say Y. config RELAY bool "Kernel->user space relay support (formerly relayfs)" -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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