[PATCH v6 14/17] sched/topology: Mark SD_ASYM_PACKING as SDF_NEEDS_GROUPS

Valentin Schneider
2020-08-17T11:30:56Z

Being a load-balancing flag, it requires 2+ groups to have any effect.

Signed-off-by: Valentin Schneider <valentin.schneider@arm.com>
---
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 6eb302528659..f855f80f0052 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
--
2.27.0