linux-kernel - [tip:sched/core] sched/numa: Remove unused numa_stats::nr

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Message-ID: <tip-7477a3504e619768c9e972dafe2907e6b8ed9823@git.kernel.org>
Date:   Mon, 10 Sep 2018 03:20:23 -0700
From:   tip-bot for Vincent Guittot <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     mingo@...nel.org, linux-kernel@...r.kernel.org,
        peterz@...radead.org, hpa@...or.com, mgorman@...hsingularity.net,
        riel@...riel.com, tglx@...utronix.de, vincent.guittot@...aro.org,
        srikar@...ux.vnet.ibm.com, torvalds@...ux-foundation.org
Subject: [tip:sched/core] sched/numa: Remove unused numa_stats::nr_running
 field

Commit-ID:  7477a3504e619768c9e972dafe2907e6b8ed9823
Gitweb:     https://git.kernel.org/tip/7477a3504e619768c9e972dafe2907e6b8ed9823
Author:     Vincent Guittot <vincent.guittot@...aro.org>
AuthorDate: Wed, 29 Aug 2018 15:19:10 +0200
Committer:  Ingo Molnar <mingo@...nel.org>
CommitDate: Mon, 10 Sep 2018 11:05:56 +0200

sched/numa: Remove unused numa_stats::nr_running field

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

Remove it.

Signed-off-by: Vincent Guittot <vincent.guittot@...aro.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
Reviewed-by: Srikar Dronamraju <srikar@...ux.vnet.ibm.com>
Acked-by: Mel Gorman <mgorman@...hsingularity.net>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Rik van Riel <riel@...riel.com>
Cc: Thomas Gleixner <tglx@...utronix.de>
Link: http://lkml.kernel.org/r/1535548752-4434-3-git-send-email-vincent.guittot@linaro.org
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 kernel/sched/fair.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index b65596fae06b..6bd142d19549 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);
 	}