[PATCH v2 2/4] sched:Consider imbalance_pct when comparing loads in numa_has_capacity

[Srikar Dronamraju]

This is consistent with all other load balancing instances where we
absorb unfairness upto env->imbalance_pct. Absorbing unfairness upto
env->imbalance_pct allows to pull and retain task to their preferred
nodes.

Signed-off-by: Srikar Dronamraju <srikar@xxxxxxxxxxxxxxxxxx>
---
 kernel/sched/fair.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 5ecc43da7..7b23efa 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -1415,8 +1415,9 @@ static bool numa_has_capacity(struct task_numa_env *env)
 	 * --------------------- vs ---------------------
 	 * src->compute_capacity    dst->compute_capacity
 	 */
-	if (src->load * dst->compute_capacity >
-	    dst->load * src->compute_capacity)
+	if (src->load * dst->compute_capacity * env->imbalance_pct >
+
+	    dst->load * src->compute_capacity * 100)
 		return true;
 
 	return false;
-- 
1.8.3.1

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