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sched/topology: Mark SD_OVERLAP as SDF_NEEDS_GROUPS

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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
This commit is contained in:
Valentin Schneider 2020-08-17 12:30:01 +01:00 committed by Ingo Molnar
parent 33199b0143
commit 3551e954f5
1 changed files with 2 additions and 1 deletions
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3
include/linux/sched/sd_flags.h
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@ -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