linux-kernel - [PATCH] topology: Remove unused cpu_cluster

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Date:   Fri, 13 May 2022 11:34:33 +0200
From:   Dietmar Eggemann <dietmar.eggemann@....com>
To:     Peter Zijlstra <peterz@...radead.org>,
        Barry Song <song.bao.hua@...ilicon.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Heiko Carstens <hca@...ux.ibm.com>
Cc:     linux-kernel@...r.kernel.org
Subject: [PATCH] topology: Remove unused cpu_cluster_mask()

default_topology[] uses cpu_clustergroup_mask() for the CLS level
(guarded by CONFIG_SCHED_CLUSTER) which is currently provided by x86
(arch/x86/kernel/smpboot.c) and arm64 (drivers/base/arch_topology.c).

Fixes: 778c558f49a2c ("sched: Add cluster scheduler level in core and
related Kconfig for ARM64")

Signed-off-by: Dietmar Eggemann <dietmar.eggemann@....com>
---
 include/linux/topology.h | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/include/linux/topology.h b/include/linux/topology.h
index f19bc3626297..4564faafd0e1 100644
--- a/include/linux/topology.h
+++ b/include/linux/topology.h
@@ -240,13 +240,6 @@ static inline const struct cpumask *cpu_smt_mask(int cpu)
 }
 #endif
 
-#if defined(CONFIG_SCHED_CLUSTER) && !defined(cpu_cluster_mask)
-static inline const struct cpumask *cpu_cluster_mask(int cpu)
-{
-	return topology_cluster_cpumask(cpu);
-}
-#endif
-
 static inline const struct cpumask *cpu_cpu_mask(int cpu)
 {
 	return cpumask_of_node(cpu_to_node(cpu));
-- 
2.25.1