[RFC PATCH 5/8] sched/fair: Drop prefer_sibling restriction for llc_balance

[Jianyong Wu]

group_llc_balance performs balancing across LLC and NUMA domains.
The prefer_sibling constraint unnecessarily limits its scope, so remove
this requirement entirely from the branch condition.

Signed-off-by: Jianyong Wu <wujianyong@xxxxxxxx>
---
 kernel/sched/fair.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 9141e6c8eba8..9455170df1a4 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -13054,9 +13054,9 @@ static struct sched_group *sched_balance_find_src_group(struct lb_env *env)
 	 * Try to move all excess tasks to a sibling domain of the busiest
 	 * group's child domain.
 	 */
-	if (sds.prefer_sibling && local->group_type == group_has_spare &&
-	    (busiest->group_type == group_llc_balance ||
-	    sibling_imbalance(env, &sds, busiest, local) > 1))
+	if (local->group_type == group_has_spare &&
+	    ((busiest->group_type == group_llc_balance) || (sds.prefer_sibling &&
+	    sibling_imbalance(env, &sds, busiest, local) > 1)))
 		goto force_balance;
 
 	if (busiest->group_type != group_overloaded) {
-- 
2.34.1