Commit 3551e954 authored Aug 17, 2020 by Valentin Schneider Committed by Ingo Molnar Aug 19, 2020

sched/topology: Mark SD_OVERLAP as SDF_NEEDS_GROUPS



A sched_domain can only have overlapping sched_groups if it has more than
one group.

Signed-off-by: Valentin Schneider <valentin.schneider@arm.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: https://lore.kernel.org/r/20200817113003.20802-16-valentin.schneider@arm.com

parent 33199b01

include/linux/sched/sd_flags.h

+2 −1

Original line number	Diff line number	Diff line
		@@ -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

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