diff options
Diffstat (limited to 'init/Kconfig')
| -rw-r--r-- | init/Kconfig | 30 |
1 files changed, 28 insertions, 2 deletions
diff --git a/init/Kconfig b/init/Kconfig index eb77e8ccde1c..2cce9f343ad0 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -604,14 +604,40 @@ config RT_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 + to task groups. 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. endif #CGROUP_SCHED +config BLK_CGROUP + tristate "Block IO controller" + depends on CGROUPS && BLOCK + default n + ---help--- + Generic block IO controller cgroup interface. This is the common + cgroup interface which should be used by various IO controlling + policies. + + Currently, CFQ IO scheduler uses it to recognize task groups and + control disk bandwidth allocation (proportional time slice allocation) + to such task groups. + + This option only enables generic Block IO controller infrastructure. + One needs to also enable actual IO controlling logic in CFQ for it + to take effect. (CONFIG_CFQ_GROUP_IOSCHED=y). + + See Documentation/cgroups/blkio-controller.txt for more information. + +config DEBUG_BLK_CGROUP + bool "Enable Block IO controller debugging" + depends on BLK_CGROUP + default n + ---help--- + Enable some debugging help. Currently it exports additional stat + files in a cgroup which can be useful for debugging. + endif # CGROUPS config MM_OWNER |