linux-kernel - [PATCH 1/4] sched/numa: Remove redundant numa_stats nr

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Message-Id: <20180907101139.20760-2-mgorman@techsingularity.net>
Date:   Fri,  7 Sep 2018 11:11:36 +0100
From:   Mel Gorman <mgorman@...hsingularity.net>
To:     Srikar Dronamraju <srikar@...ux.vnet.ibm.com>,
        Peter Zijlstra <peterz@...radead.org>
Cc:     Ingo Molnar <mingo@...nel.org>, Rik van Riel <riel@...riel.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Mel Gorman <mgorman@...hsingularity.net>
Subject: [PATCH 1/4] sched/numa: Remove redundant numa_stats nr_running field

The nr_running field has not been used since commit 2d4056fafa19
("sched/numa: Remove numa_has_capacity()") so remove it.

Signed-off-by: Mel Gorman <mgorman@...hsingularity.net>
---
 kernel/sched/fair.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index b39fb596f6c1..2472aeaff92e 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;
 };
 
 /*
@@ -1470,7 +1468,6 @@ 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);
 
-- 
2.16.4