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sched/topology: Mark SD_BALANCE_WAKE as SDF_NEEDS_GROUPS

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Even if no mainline topology uses this flag, it is a load balancing flag
just like SD_BALANCE_FORK and requires 2+ groups to have any effect.

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/20200817113003.20802-13-valentin.schneider@arm.com
This commit is contained in:
Valentin Schneider
2020-08-17 12:29:58 +01:00
committed by Ingo Molnar
parent 3a6712c768
commit 94b858fea1
1 changed files with 2 additions and 1 deletions
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3
include/linux/sched/sd_flags.h
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@@ -70,8 +70,9 @@ SD_FLAG(SD_BALANCE_FORK, SDF_SHARED_CHILD | SDF_NEEDS_GROUPS)
* Balance on wakeup
*
* SHARED_CHILD: Set from the base domain up to cpuset.sched_relax_domain_level.
* NEEDS_GROUPS: Load balancing flag.
*/
SD_FLAG(SD_BALANCE_WAKE, SDF_SHARED_CHILD)
SD_FLAG(SD_BALANCE_WAKE, SDF_SHARED_CHILD | SDF_NEEDS_GROUPS)
/*
* Consider waking task on waking CPU.