From 5fd752c3df444c08009dbfef716135d9863e9d53 Mon Sep 17 00:00:00 2001
From: Vincent Guittot <vincent.guittot@linaro.org>
Date: Wed, 29 Aug 2018 15:19:10 +0200
Subject: [PATCH] sched/numa: remove unused nr_running field
Git-commit: 7477a3504e619768c9e972dafe2907e6b8ed9823
Patch-mainline: v4.20-rc1
References: bnc#1101669 optimise numa balancing for fast migrate

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

Remove it.

Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Cc: Rik van Riel <riel@surriel.com>
Cc: linux-kernel@vger.kernel.org (open list)
Signed-off-by: Vincent Guittot <vincent.guittot@linaro.org>
Signed-off-by: Mel Gorman <mgorman@suse.de>
---
 kernel/sched/fair.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index c40614481a18..6374a8a2abc1 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -1482,8 +1482,6 @@ struct numa_stats {
 
 	/* Total compute capacity of CPUs on a node */
 	unsigned long compute_capacity;
-
-	unsigned int nr_running;
 };
 
 /*
@@ -1497,7 +1495,6 @@ 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);
 	}