summaryrefslogtreecommitdiffstats
path: root/init
diff options
context:
space:
mode:
Diffstat (limited to 'init')
-rw-r--r--init/Kconfig44
1 files changed, 44 insertions, 0 deletions
diff --git a/init/Kconfig b/init/Kconfig
index 2054e048bb98..1a207efca591 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -717,6 +717,50 @@ config LOG_BUF_SHIFT
config HAVE_UNSTABLE_SCHED_CLOCK
bool
+#
+# For architectures that want to enable the support for NUMA-affine scheduler
+# balancing logic:
+#
+config ARCH_SUPPORTS_NUMA_BALANCING
+ bool
+
+# For architectures that (ab)use NUMA to represent different memory regions
+# all cpu-local but of different latencies, such as SuperH.
+#
+config ARCH_WANT_NUMA_VARIABLE_LOCALITY
+ bool
+
+#
+# For architectures that are willing to define _PAGE_NUMA as _PAGE_PROTNONE
+config ARCH_WANTS_PROT_NUMA_PROT_NONE
+ bool
+
+config ARCH_USES_NUMA_PROT_NONE
+ bool
+ default y
+ depends on ARCH_WANTS_PROT_NUMA_PROT_NONE
+ depends on NUMA_BALANCING
+
+config NUMA_BALANCING_DEFAULT_ENABLED
+ bool "Automatically enable NUMA aware memory/task placement"
+ default y
+ depends on NUMA_BALANCING
+ help
+ If set, autonumic NUMA balancing will be enabled if running on a NUMA
+ machine.
+
+config NUMA_BALANCING
+ bool "Memory placement aware NUMA scheduler"
+ depends on ARCH_SUPPORTS_NUMA_BALANCING
+ depends on !ARCH_WANT_NUMA_VARIABLE_LOCALITY
+ depends on SMP && NUMA && MIGRATION
+ help
+ This option adds support for automatic NUMA aware memory/task placement.
+ The mechanism is quite primitive and is based on migrating memory when
+ it is references to the node the task is running on.
+
+ This system will be inactive on UMA systems.
+
menuconfig CGROUPS
boolean "Control Group support"
depends on EVENTFD