linux-kernel - [PATCH 2/2] powerpc: use node_has_cpus() instead of nr_cpus

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Date:   Tue, 21 Feb 2023 18:50:29 -0800
From:   Yury Norov <yury.norov@...il.com>
To:     linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Cc:     Yury Norov <yury.norov@...il.com>, Arnd Bergmann <arnd@...db.de>,
        Michael Ellerman <mpe@...erman.id.au>,
        Nicholas Piggin <npiggin@...il.com>,
        Christophe Leroy <christophe.leroy@...roup.eu>,
        Jeremy Kerr <jk@...abs.org>, Jakub Kicinski <kuba@...nel.org>,
        Valentin Schneider <vschneid@...hat.com>,
        Dietmar Eggemann <dietmar.eggemann@....com>,
        Barry Song <baohua@...nel.org>
Subject: [PATCH 2/2] powerpc: use node_has_cpus() instead of nr_cpus_node()

Use node_has_cpus() as more efficient alternative to nr_cpus_node()
where possible.

Signed-off-by: Yury Norov <yury.norov@...il.com>
---
 arch/powerpc/platforms/cell/spu_priv1_mmio.c | 2 +-
 arch/powerpc/platforms/cell/spufs/sched.c    | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/powerpc/platforms/cell/spu_priv1_mmio.c b/arch/powerpc/platforms/cell/spu_priv1_mmio.c
index d150e3987304..55b5024b256b 100644
--- a/arch/powerpc/platforms/cell/spu_priv1_mmio.c
+++ b/arch/powerpc/platforms/cell/spu_priv1_mmio.c
@@ -64,7 +64,7 @@ static void cpu_affinity_set(struct spu *spu, int cpu)
 	u64 target;
 	u64 route;
 
-	if (nr_cpus_node(spu->node)) {
+	if (node_has_cpus(spu->node)) {
 		const struct cpumask *spumask = cpumask_of_node(spu->node),
 			*cpumask = cpumask_of_node(cpu_to_node(cpu));
 
diff --git a/arch/powerpc/platforms/cell/spufs/sched.c b/arch/powerpc/platforms/cell/spufs/sched.c
index 99bd027a7f7c..9d29cc2c6bcb 100644
--- a/arch/powerpc/platforms/cell/spufs/sched.c
+++ b/arch/powerpc/platforms/cell/spufs/sched.c
@@ -154,7 +154,7 @@ void spu_update_sched_info(struct spu_context *ctx)
 
 static int __node_allowed(struct spu_context *ctx, int node)
 {
-	if (nr_cpus_node(node)) {
+	if (node_has_cpus(node)) {
 		const struct cpumask *mask = cpumask_of_node(node);
 
 		if (cpumask_intersects(mask, &ctx->cpus_allowed))
-- 
2.34.1