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-rw-r--r--include/linux/sched/sd_flags.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/sched/sd_flags.h b/include/linux/sched/sd_flags.h
index 2998ece2c18d..29af5f032861 100644
--- a/include/linux/sched/sd_flags.h
+++ b/include/linux/sched/sd_flags.h
@@ -143,8 +143,9 @@ SD_FLAG(SD_PREFER_SIBLING, SDF_NEEDS_GROUPS)
* sched_groups of this level overlap
*
* SHARED_PARENT: Set for all NUMA levels above NODE.
+ * NEEDS_GROUPS: Overlaps can only exist with more than one group.
*/
-SD_FLAG(SD_OVERLAP, SDF_SHARED_PARENT)
+SD_FLAG(SD_OVERLAP, SDF_SHARED_PARENT | SDF_NEEDS_GROUPS)
/*
* Cross-node balancing