From: Rik van Riel <r...@redhat.com>

When a task is part of a numa_group, the comparison should always use
the group weight, in order to make workloads converge.

Signed-off-by: Rik van Riel <r...@redhat.com>
---
 kernel/sched/fair.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 41b75a6..2eb845c 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -1154,7 +1154,7 @@ static void task_numa_compare(struct task_numa_env *env,
        struct task_group *tg;
        long src_load, dst_load;
        long load;
-       long imp = (groupimp > 0) ? groupimp : taskimp;
+       long imp = env->p->numa_group ? groupimp : taskimp;
 
        rcu_read_lock();
        cur = ACCESS_ONCE(dst_rq->curr);
@@ -1192,11 +1192,6 @@ static void task_numa_compare(struct task_numa_env *env,
                         * itself (not part of a group), use the task weight
                         * instead.
                         */
-                       if (env->p->numa_group)
-                               imp = groupimp;
-                       else
-                               imp = taskimp;
-
                        if (cur->numa_group)
                                imp += group_weight(cur, env->src_nid) -
                                       group_weight(cur, env->dst_nid);
-- 
1.8.5.3

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