diff options
Diffstat (limited to 'init/Kconfig')
| -rw-r--r-- | init/Kconfig | 65 |
1 files changed, 26 insertions, 39 deletions
diff --git a/init/Kconfig b/init/Kconfig index c24b6f767bf0..07086e7ad61d 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -941,23 +941,22 @@ menuconfig CGROUPS if CGROUPS config CGROUP_DEBUG - bool "Example debug cgroup subsystem" + bool "Example controller" default n help - This option enables a simple cgroup subsystem that - exports useful debugging information about the cgroups - framework. + This option enables a simple controller that exports + debugging information about the cgroups framework. - Say N if unsure. + Say N. config CGROUP_FREEZER - bool "Freezer cgroup subsystem" + bool "Freezer controller" help Provides a way to freeze and unfreeze all tasks in a cgroup. config CGROUP_PIDS - bool "PIDs cgroup subsystem" + bool "PIDs controller" help Provides enforcement of process number limits in the scope of a cgroup. Any attempt to fork more processes than is allowed in the @@ -973,13 +972,13 @@ config CGROUP_PIDS attach to a cgroup. config CGROUP_DEVICE - bool "Device controller for cgroups" + bool "Device controller" help - Provides a cgroup implementing whitelists for devices which - a process in the cgroup can mknod or open. + Provides a cgroup controller implementing whitelists for + devices which a process in the cgroup can mknod or open. config CPUSETS - bool "Cpuset support" + bool "Cpuset controller" help This option will let you create and manage CPUSETs which allow dynamically partitioning a system into sets of CPUs and @@ -994,41 +993,29 @@ config PROC_PID_CPUSET default y config CGROUP_CPUACCT - bool "Simple CPU accounting cgroup subsystem" + bool "Simple CPU accounting controller" help - Provides a simple Resource Controller for monitoring the + Provides a simple controller for monitoring the total CPU consumed by the tasks in a cgroup. config PAGE_COUNTER bool config MEMCG - bool "Memory Resource Controller for Control Groups" + bool "Memory controller" select PAGE_COUNTER select EVENTFD help - Provides a memory resource controller that manages both anonymous - memory and page cache. (See Documentation/cgroups/memory.txt) + Provides control over the memory footprint of tasks in a cgroup. config MEMCG_SWAP - bool "Memory Resource Controller Swap Extension" + bool "Swap controller" depends on MEMCG && SWAP help - Add swap management feature to memory resource controller. When you - enable this, you can limit mem+swap usage per cgroup. In other words, - when you disable this, memory resource controller has no cares to - usage of swap...a process can exhaust all of the swap. This extension - is useful when you want to avoid exhaustion swap but this itself - adds more overheads and consumes memory for remembering information. - Especially if you use 32bit system or small memory system, please - be careful about enabling this. When memory resource controller - is disabled by boot option, this will be automatically disabled and - there will be no overhead from this. Even when you set this config=y, - if boot option "swapaccount=0" is set, swap will not be accounted. - Now, memory usage of swap_cgroup is 2 bytes per entry. If swap page - size is 4096bytes, 512k per 1Gbytes of swap. + Provides control over the swap space consumed by tasks in a cgroup. + config MEMCG_SWAP_ENABLED - bool "Memory Resource Controller Swap Extension enabled by default" + bool "Swap controller enabled by default" depends on MEMCG_SWAP default y help @@ -1053,12 +1040,12 @@ config MEMCG_KMEM will ever exhaust kernel resources alone. config CGROUP_HUGETLB - bool "HugeTLB Resource Controller for Control Groups" + bool "HugeTLB controller" depends on HUGETLB_PAGE select PAGE_COUNTER default n help - Provides a cgroup Resource Controller for HugeTLB pages. + Provides a cgroup controller for HugeTLB pages. When you enable this, you can put a per cgroup limit on HugeTLB usage. The limit is enforced during page fault. Since HugeTLB doesn't support page reclaim, enforcing the limit at page fault time implies @@ -1069,17 +1056,17 @@ config CGROUP_HUGETLB that we cannot use the controller with huge page less than 3 pages. config CGROUP_PERF - bool "Enable perf_event per-cpu per-container group (cgroup) monitoring" + bool "Perf controller" depends on PERF_EVENTS && CGROUPS help - This option extends the per-cpu mode to restrict monitoring to - threads which belong to the cgroup specified and run on the + This option extends the perf per-cpu mode to restrict monitoring + to threads which belong to the cgroup specified and run on the designated cpu. Say N if unsure. menuconfig CGROUP_SCHED - bool "Group CPU scheduler" + bool "CPU controller" default n help This feature lets CPU scheduler recognize task groups and control CPU @@ -1117,7 +1104,7 @@ config RT_GROUP_SCHED endif #CGROUP_SCHED config BLK_CGROUP - bool "Block IO controller" + bool "IO controller" depends on BLOCK default n ---help--- @@ -1139,7 +1126,7 @@ config BLK_CGROUP See Documentation/cgroups/blkio-controller.txt for more information. config DEBUG_BLK_CGROUP - bool "Enable Block IO controller debugging" + bool "IO controller debugging" depends on BLK_CGROUP default n ---help--- |