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cgroups: make cgroup config a submenu

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Making CGROUP related configs be a sub-menu.

This patch make CGROUP related configs be a sub-menu and makes 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)

Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Reviewed-by: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
Cc: Balbir Singh <balbir@in.ibm.com>
Cc: Paul Menage <menage@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
KAMEZAWA Hiroyuki 2009-01-07 18:07:30 -08:00 committed by Linus Torvalds
parent e04a88a920
commit 5cdc38f985
1 changed files with 71 additions and 60 deletions
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131
init/Kconfig
View File

@ -271,11 +271,75 @@ config LOG_BUF_SHIFT
13 => 8 KB
12 => 4 KB
#
# Architectures with an unreliable sched_clock() should select this:
#
config HAVE_UNSTABLE_SCHED_CLOCK
bool
config GROUP_SCHED
bool "Group CPU scheduler"
depends on EXPERIMENTAL
default n
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"
depends on GROUP_SCHED
default GROUP_SCHED
config RT_GROUP_SCHED
bool "Group scheduling for SCHED_RR/FIFO"
depends on EXPERIMENTAL
depends on GROUP_SCHED
default n
help
This feature lets you explicitly allocate real CPU bandwidth
to users or control groups (depending on the "Basis for grouping tasks"
setting below. If enabled, it will also make it impossible to
schedule realtime tasks for non-root users until you allocate
realtime bandwidth for them.
See Documentation/scheduler/sched-rt-group.txt for more information.
choice
depends on GROUP_SCHED
prompt "Basis for grouping tasks"
default USER_SCHED
config USER_SCHED
bool "user id"
help
This option will choose userid as the basis for grouping
tasks, thus providing equal CPU bandwidth to each user.
config CGROUP_SCHED
bool "Control groups"
depends on CGROUPS
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.
endchoice
menu "Control Group support"
config CGROUPS
bool "Control Group support"
help
This option will let you use process cgroup subsystems
such as Cpusets
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.
@ -324,61 +388,6 @@ config CPUSETS
Say N if unsure.
#
# Architectures with an unreliable sched_clock() should select this:
#
config HAVE_UNSTABLE_SCHED_CLOCK
bool
config GROUP_SCHED
bool "Group CPU scheduler"
depends on EXPERIMENTAL
default n
help
This feature lets CPU scheduler recognize task groups and control CPU
bandwidth allocation to such task groups.
config FAIR_GROUP_SCHED
bool "Group scheduling for SCHED_OTHER"
depends on GROUP_SCHED
default GROUP_SCHED
config RT_GROUP_SCHED
bool "Group scheduling for SCHED_RR/FIFO"
depends on EXPERIMENTAL
depends on GROUP_SCHED
default n
help
This feature lets you explicitly allocate real CPU bandwidth
to users or control groups (depending on the "Basis for grouping tasks"
setting below. If enabled, it will also make it impossible to
schedule realtime tasks for non-root users until you allocate
realtime bandwidth for them.
See Documentation/scheduler/sched-rt-group.txt for more information.
choice
depends on GROUP_SCHED
prompt "Basis for grouping tasks"
default USER_SCHED
config USER_SCHED
bool "user id"
help
This option will choose userid as the basis for grouping
tasks, thus providing equal CPU bandwidth to each user.
config CGROUP_SCHED
bool "Control groups"
depends on CGROUPS
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.
endchoice
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