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-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)
63/* 63/*
64 * Apply the automatic NUMA scheduling policy. Enabled automatically 64 * Apply the automatic NUMA scheduling policy. Enabled automatically
65 * at runtime if running on a NUMA machine. Can be controlled via 65 * at runtime if running on a NUMA machine. Can be controlled via
66 * numa_balancing=. Allow PTE scanning to be forced on UMA machines 66 * numa_balancing=
67 * for debugging the core machinery.
68 */ 67 */
69#ifdef CONFIG_NUMA_BALANCING 68#ifdef CONFIG_NUMA_BALANCING
70SCHED_FEAT(NUMA, false) 69SCHED_FEAT(NUMA, false)
71SCHED_FEAT(NUMA_FORCE, false) 70
71/*
72 * NUMA_FAVOUR_HIGHER will favor moving tasks towards nodes where a
73 * higher number of hinting faults are recorded during active load
74 * balancing.
75 */
76SCHED_FEAT(NUMA_FAVOUR_HIGHER, true)
77
78/*
79 * NUMA_RESIST_LOWER will resist moving tasks towards nodes where a
80 * lower number of hinting faults have been recorded. As this has
81 * the potential to prevent a task ever migrating to a new node
82 * due to CPU overload it is disabled by default.
83 */
84SCHED_FEAT(NUMA_RESIST_LOWER, false)
72#endif 85#endif