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authorMichal Marek <mmarek@suse.cz>2014-01-02 17:02:06 +0400
committerMichal Marek <mmarek@suse.cz>2014-01-02 17:02:06 +0400
commit37e2c2a775fc887acd1432908478dfd532f7f00f (patch)
treee51ebc699d8e262fd47e0913be6a711cb1a7b565 /kernel/sched/features.h
parent1c8ddae09f4c102b97c9086cc70347e89468a547 (diff)
parent6ce4eac1f600b34f2f7f58f9cd8f0503d79e42ae (diff)
downloadlinux-37e2c2a775fc887acd1432908478dfd532f7f00f.tar.xz
Merge commit v3.13-rc1 into kbuild/misc
Diffstat (limited to 'kernel/sched/features.h')
-rw-r--r--kernel/sched/features.h19
1 files changed, 16 insertions, 3 deletions
diff --git a/kernel/sched/features.h b/kernel/sched/features.h
index 99399f8e4799..5716929a2e3a 100644
--- a/kernel/sched/features.h
+++ b/kernel/sched/features.h
@@ -63,10 +63,23 @@ SCHED_FEAT(LB_MIN, false)
/*
* Apply the automatic NUMA scheduling policy. Enabled automatically
* at runtime if running on a NUMA machine. Can be controlled via
- * numa_balancing=. Allow PTE scanning to be forced on UMA machines
- * for debugging the core machinery.
+ * numa_balancing=
*/
#ifdef CONFIG_NUMA_BALANCING
SCHED_FEAT(NUMA, false)
-SCHED_FEAT(NUMA_FORCE, false)
+
+/*
+ * NUMA_FAVOUR_HIGHER will favor moving tasks towards nodes where a
+ * higher number of hinting faults are recorded during active load
+ * balancing.
+ */
+SCHED_FEAT(NUMA_FAVOUR_HIGHER, true)
+
+/*
+ * NUMA_RESIST_LOWER will resist moving tasks towards nodes where a
+ * lower number of hinting faults have been recorded. As this has
+ * the potential to prevent a task ever migrating to a new node
+ * due to CPU overload it is disabled by default.
+ */
+SCHED_FEAT(NUMA_RESIST_LOWER, false)
#endif