Commit 33199b01 authored by Valentin Schneider's avatar Valentin Schneider Committed by Ingo Molnar
Browse files

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: default avatarValentin Schneider <valentin.schneider@arm.com>
Signed-off-by: default avatarIngo Molnar <mingo@kernel.org>
Acked-by: default avatarPeter Zijlstra <a.p.zijlstra@chello.nl>
Link: https://lore.kernel.org/r/20200817113003.20802-15-valentin.schneider@arm.com
parent bdb7c802

include/linux/sched/sd_flags.h

+4 −3
Original line number Diff line number Diff line
@@ -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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