linux-kernel - [tip: sched/core] sched: Move STDL

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Message-ID: <175688671310.1920.15951303795128804682.tip-bot2@tip-bot2>
Date: Wed, 03 Sep 2025 08:05:13 -0000
From: "tip-bot2 for Peter Zijlstra" <tip-bot2@...utronix.de>
To: linux-tip-commits@...r.kernel.org
Cc: Christophe Leroy <christophe.leroy@...roup.eu>,
 "Peter Zijlstra (Intel)" <peterz@...radead.org>, x86@...nel.org,
 linux-kernel@...r.kernel.org
Subject: [tip: sched/core] sched: Move STDL_INIT() functions out-of-line

The following commit has been merged into the sched/core branch of tip:

Commit-ID:     91c614f09abf1d45aac6b475d82a36c704b527ee
Gitweb:        https://git.kernel.org/tip/91c614f09abf1d45aac6b475d82a36c704b527ee
Author:        Peter Zijlstra <peterz@...radead.org>
AuthorDate:    Tue, 26 Aug 2025 10:55:55 +02:00
Committer:     Peter Zijlstra <peterz@...radead.org>
CommitterDate: Wed, 03 Sep 2025 10:03:13 +02:00

sched: Move STDL_INIT() functions out-of-line

Since all these functions are address-taken in SDTL_INIT() and called
indirectly, it doesn't really make sense for them to be inline.

Suggested-by: Christophe Leroy <christophe.leroy@...roup.eu>
Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
---
 include/linux/sched/topology.h | 49 ++++-----------------------------
 kernel/sched/topology.c        | 45 ++++++++++++++++++++++++++++++-
 2 files changed, 52 insertions(+), 42 deletions(-)

diff --git a/include/linux/sched/topology.h b/include/linux/sched/topology.h
index a3a24e1..bbcfdf1 100644
--- a/include/linux/sched/topology.h
+++ b/include/linux/sched/topology.h
@@ -33,56 +33,21 @@ extern const struct sd_flag_debug sd_flag_debug[];
 struct sched_domain_topology_level;
 
 #ifdef CONFIG_SCHED_SMT
-static inline int cpu_smt_flags(void)
-{
-	return SD_SHARE_CPUCAPACITY | SD_SHARE_LLC;
-}
-
-static inline const
-struct cpumask *tl_smt_mask(struct sched_domain_topology_level *tl, int cpu)
-{
-	return cpu_smt_mask(cpu);
-}
+extern int cpu_smt_flags(void);
+extern const struct cpumask *tl_smt_mask(struct sched_domain_topology_level *tl, int cpu);
 #endif
 
 #ifdef CONFIG_SCHED_CLUSTER
-static inline int cpu_cluster_flags(void)
-{
-	return SD_CLUSTER | SD_SHARE_LLC;
-}
-
-static inline const
-struct cpumask *tl_cls_mask(struct sched_domain_topology_level *tl, int cpu)
-{
-	return cpu_clustergroup_mask(cpu);
-}
+extern int cpu_cluster_flags(void);
+extern const struct cpumask *tl_cls_mask(struct sched_domain_topology_level *tl, int cpu);
 #endif
 
 #ifdef CONFIG_SCHED_MC
-static inline int cpu_core_flags(void)
-{
-	return SD_SHARE_LLC;
-}
-
-static inline const
-struct cpumask *tl_mc_mask(struct sched_domain_topology_level *tl, int cpu)
-{
-	return cpu_coregroup_mask(cpu);
-}
+extern int cpu_core_flags(void);
+extern const struct cpumask *tl_mc_mask(struct sched_domain_topology_level *tl, int cpu);
 #endif
 
-static inline const
-struct cpumask *tl_pkg_mask(struct sched_domain_topology_level *tl, int cpu)
-{
-	return cpu_node_mask(cpu);
-}
-
-#ifdef CONFIG_NUMA
-static inline int cpu_numa_flags(void)
-{
-	return SD_NUMA;
-}
-#endif
+extern const struct cpumask *tl_pkg_mask(struct sched_domain_topology_level *tl, int cpu);
 
 extern int arch_asym_cpu_priority(int cpu);
 
diff --git a/kernel/sched/topology.c b/kernel/sched/topology.c
index 18889bd..1104d93 100644
--- a/kernel/sched/topology.c
+++ b/kernel/sched/topology.c
@@ -1724,6 +1724,47 @@ sd_init(struct sched_domain_topology_level *tl,
 	return sd;
 }
 
+#ifdef CONFIG_SCHED_SMT
+int cpu_smt_flags(void)
+{
+	return SD_SHARE_CPUCAPACITY | SD_SHARE_LLC;
+}
+
+const struct cpumask *tl_smt_mask(struct sched_domain_topology_level *tl, int cpu)
+{
+	return cpu_smt_mask(cpu);
+}
+#endif
+
+#ifdef CONFIG_SCHED_CLUSTER
+int cpu_cluster_flags(void)
+{
+	return SD_CLUSTER | SD_SHARE_LLC;
+}
+
+const struct cpumask *tl_cls_mask(struct sched_domain_topology_level *tl, int cpu)
+{
+	return cpu_clustergroup_mask(cpu);
+}
+#endif
+
+#ifdef CONFIG_SCHED_MC
+int cpu_core_flags(void)
+{
+	return SD_SHARE_LLC;
+}
+
+const struct cpumask *tl_mc_mask(struct sched_domain_topology_level *tl, int cpu)
+{
+	return cpu_coregroup_mask(cpu);
+}
+#endif
+
+const struct cpumask *tl_pkg_mask(struct sched_domain_topology_level *tl, int cpu)
+{
+	return cpu_node_mask(cpu);
+}
+
 /*
  * Topology list, bottom-up.
  */
@@ -1760,6 +1801,10 @@ void __init set_sched_topology(struct sched_domain_topology_level *tl)
 }
 
 #ifdef CONFIG_NUMA
+static int cpu_numa_flags(void)
+{
+	return SD_NUMA;
+}
 
 static const struct cpumask *sd_numa_mask(struct sched_domain_topology_level *tl, int cpu)
 {