Hook up group scheduler with control groups

Enable "cgroup" (formerly containers) based fair group scheduling.  This
will let administrator create arbitrary groups of tasks (using "cgroup"
pseudo filesystem) and control their cpu bandwidth usage.

[akpm@linux-foundation.org: fix cpp condition]
Signed-off-by: Srivatsa Vaddagiri <vatsa@linux.vnet.ibm.com>
Signed-off-by: Dhaval Giani <dhaval@linux.vnet.ibm.com>
Cc: Randy Dunlap <randy.dunlap@oracle.com>
Cc: Balbir Singh <balbir@in.ibm.com>
Cc: Paul Menage <menage@google.com>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 10 insertions, 0 deletions

diff --git a/init/Kconfig b/init/Kconfig
index 0007d1b5e867..541382d539ad 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -334,6 +334,16 @@ config FAIR_USER_SCHED
           This option will choose userid as the basis for grouping
           tasks, thus providing equal CPU bandwidth to each user.
 
+config FAIR_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 SYSFS_DEPRECATED