The following commit has been merged into the sched/core branch of tip: Commit-ID: 33199b0143daf4778d6301f966cb914d75f122eb Gitweb: https://git.kernel.org/tip/33199b0143daf4778d6301f966cb914d75f122eb Author: Valentin Schneider <valentin.schneider@xxxxxxx> AuthorDate: Mon, 17 Aug 2020 12:30:00 +01:00 Committer: Ingo Molnar <mingo@xxxxxxxxxx> CommitterDate: Wed, 19 Aug 2020 10:49:49 +02:00 sched/topology: Mark SD_ASYM_PACKING as SDF_NEEDS_GROUPS Being a load-balancing flag, it 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/20200817113003.20802-15-valentin.schneider@xxxxxxx --- include/linux/sched/sd_flags.h | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/include/linux/sched/sd_flags.h b/include/linux/sched/sd_flags.h index b7f4d80..2998ece 100644 --- a/include/linux/sched/sd_flags.h +++ b/include/linux/sched/sd_flags.h @@ -123,10 +123,11 @@ SD_FLAG(SD_SERIALIZE, SDF_SHARED_PARENT | SDF_NEEDS_GROUPS) * Place busy tasks earlier in the domain * * SHARED_CHILD: Usually set on the SMT level. Technically could be set further - * up, but currently assumed to be set from the base domain upwards (see - * update_top_cache_domain()). + * up, but currently assumed to be set from the base domain + * upwards (see update_top_cache_domain()). + * NEEDS_GROUPS: Load balancing flag. */ -SD_FLAG(SD_ASYM_PACKING, SDF_SHARED_CHILD) +SD_FLAG(SD_ASYM_PACKING, SDF_SHARED_CHILD | SDF_NEEDS_GROUPS) /* * Prefer to place tasks in a sibling domain
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