The following commit has been merged into the sched/core branch of tip: Commit-ID: 94b858fea1f2246a2fb7f7af21840fd14ced028f Gitweb: https://git.kernel.org/tip/94b858fea1f2246a2fb7f7af21840fd14ced028f Author: Valentin Schneider <valentin.schneider@xxxxxxx> AuthorDate: Mon, 17 Aug 2020 12:29:58 +01:00 Committer: Ingo Molnar <mingo@xxxxxxxxxx> CommitterDate: Wed, 19 Aug 2020 10:49:49 +02:00 sched/topology: Mark SD_BALANCE_WAKE as SDF_NEEDS_GROUPS 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@xxxxxxx> Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx> Acked-by: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx> Link: https://lore.kernel.org/r/20200817113003.20802-13-valentin.schneider@xxxxxxx --- include/linux/sched/sd_flags.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/include/linux/sched/sd_flags.h b/include/linux/sched/sd_flags.h index d28fe67..729510a 100644 --- a/include/linux/sched/sd_flags.h +++ b/include/linux/sched/sd_flags.h @@ -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.
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