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From:   Yury Norov <yury.norov@gmail.com>
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Cc:     Yury Norov <yury.norov@gmail.com>, Ben Segall <bsegall@google.com>,
        Daniel Bristot de Oliveira <bristot@redhat.com>,
        Dietmar Eggemann <dietmar.eggemann@arm.com>,
        Ingo Molnar <mingo@redhat.com>,
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        Steven Rostedt <rostedt@goodmis.org>,
        Valentin Schneider <vschneid@redhat.com>,
        Vincent Guittot <vincent.guittot@linaro.org>
Subject: [PATCH 20/22] sched/topology: replace cpumask_weight() with cpumask_weight_eq() where appropriate
Date:   Tue, 10 May 2022 08:47:48 -0700
Message-Id: <20220510154750.212913-21-yury.norov@gmail.com>
In-Reply-To: <20220510154750.212913-1-yury.norov@gmail.com>
References: <20220510154750.212913-1-yury.norov@gmail.com>
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Replace cpumask_weight() with cpumask_weight_eq(..., 1) because it
may return earlier.

CC: Ben Segall <bsegall@google.com>
CC: Daniel Bristot de Oliveira <bristot@redhat.com>
CC: Dietmar Eggemann <dietmar.eggemann@arm.com>
CC: Ingo Molnar <mingo@redhat.com>
CC: Juri Lelli <juri.lelli@redhat.com>
CC: Mel Gorman <mgorman@suse.de>
CC: Peter Zijlstra <peterz@infradead.org>
CC: Steven Rostedt <rostedt@goodmis.org>
CC: Valentin Schneider <vschneid@redhat.com>
CC: Vincent Guittot <vincent.guittot@linaro.org>
CC: linux-kernel@vger.kernel.org
Signed-off-by: Yury Norov <yury.norov@gmail.com>
---
 kernel/sched/topology.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/sched/topology.c b/kernel/sched/topology.c
index 05b6c2ad90b9..860137913b18 100644
--- a/kernel/sched/topology.c
+++ b/kernel/sched/topology.c
@@ -168,7 +168,7 @@ static const unsigned int SD_DEGENERATE_GROUPS_MASK =
 
 static int sd_degenerate(struct sched_domain *sd)
 {
-	if (cpumask_weight(sched_domain_span(sd)) == 1)
+	if (cpumask_weight_eq(sched_domain_span(sd), 1))
 		return 1;
 
 	/* Following flags need at least 2 groups */
@@ -1999,7 +1999,7 @@ void sched_update_numa(int cpu, bool online)
 	 * Scheduler NUMA topology is updated when the first CPU of a
 	 * node is onlined or the last CPU of a node is offlined.
 	 */
-	if (cpumask_weight(cpumask_of_node(node)) != 1)
+	if (!cpumask_weight_eq(cpumask_of_node(node), 1))
 		return;
 
 	sched_reset_numa();
-- 
2.32.0