linux-kernel - [PATCH 2/4] sched/numa: remove unused nr

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Date:   Wed, 29 Aug 2018 15:19:10 +0200
From:   Vincent Guittot <vincent.guittot@...aro.org>
To:     peterz@...radead.org, mingo@...hat.com,
        linux-kernel@...r.kernel.org
Cc:     Vincent Guittot <vincent.guittot@...aro.org>,
        Srikar Dronamraju <srikar@...ux.vnet.ibm.com>,
        Rik van Riel <riel@...riel.com>
Subject: [PATCH 2/4] sched/numa: remove unused nr_running field

nr_running in struct numa_stats is not used anywhere in the code.

Remove it.

Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Ingo Molnar <mingo@...hat.com>
Cc: Srikar Dronamraju <srikar@...ux.vnet.ibm.com>
Cc: Rik van Riel <riel@...riel.com>
Cc: linux-kernel@...r.kernel.org (open list)
Signed-off-by: Vincent Guittot <vincent.guittot@...aro.org>
---
 kernel/sched/fair.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index c2b8bf4..cff1682 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -1454,8 +1454,6 @@ struct numa_stats {
 
 	/* Total compute capacity of CPUs on a node */
 	unsigned long compute_capacity;
-
-	unsigned int nr_running;
 };
 
 /*
@@ -1469,7 +1467,6 @@ static void update_numa_stats(struct numa_stats *ns, int nid)
 	for_each_cpu(cpu, cpumask_of_node(nid)) {
 		struct rq *rq = cpu_rq(cpu);
 
-		ns->nr_running += rq->nr_running;
 		ns->load += weighted_cpuload(rq);
 		ns->compute_capacity += capacity_of(cpu);
 	}
-- 
2.7.4