[PATCH 02/16] arm64: kconfig: make percpu related configs not depend on NUMA

[Yang Shi <yang@os.amperecomputing.com>]

The percpu set up code has been moved out of arch_numa.c, so it is
unnecessary to have percpu related kernel configs depend on NUMA.

Signed-off-by: Yang Shi <yang@os.amperecomputing.com>
---
 arch/arm64/Kconfig      |  6 +++---
 arch/arm64/kernel/smp.c | 10 ++++++----
 2 files changed, 9 insertions(+), 7 deletions(-)

diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index b3afe0688919..2e1bd79a579c 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -224,6 +224,7 @@ config ARM64
 	select MMU_GATHER_RCU_TABLE_FREE
 	select HAVE_RSEQ
 	select HAVE_RUST if RUSTC_SUPPORTS_ARM64
+	select HAVE_SETUP_PER_CPU_AREA
 	select HAVE_STACKPROTECTOR
 	select HAVE_STATIC_CALL if CFI
 	select HAVE_SYSCALL_TRACEPOINTS
@@ -239,6 +240,8 @@ config ARM64
 	select LOCK_MM_AND_FIND_VMA
 	select MODULES_USE_ELF_RELA
 	select NEED_DMA_MAP_STATE
+	select NEED_PER_CPU_EMBED_FIRST_CHUNK
+	select NEED_PER_CPU_PAGE_FIRST_CHUNK
 	select NEED_SG_DMA_LENGTH
 	select OF
 	select OF_EARLY_FLATTREE
@@ -1581,9 +1584,6 @@ config NUMA
 	bool "NUMA Memory Allocation and Scheduler Support"
 	select GENERIC_ARCH_NUMA
 	select OF_NUMA
-	select HAVE_SETUP_PER_CPU_AREA
-	select NEED_PER_CPU_EMBED_FIRST_CHUNK
-	select NEED_PER_CPU_PAGE_FIRST_CHUNK
 	select USE_PERCPU_NUMA_NODE_ID
 	help
 	  Enable NUMA (Non-Uniform Memory Access) support.
diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c
index 0dab4e9c97e4..28ff889658d3 100644
--- a/arch/arm64/kernel/smp.c
+++ b/arch/arm64/kernel/smp.c
@@ -819,16 +819,18 @@ void __init smp_prepare_cpus(unsigned int max_cpus)
 	}
 }
 
-#ifdef CONFIG_HAVE_SETUP_PER_CPU_AREA
+#ifdef CONFIG_NUMA
 extern int cpu_to_node_map[NR_CPUS];
 
-unsigned long __per_cpu_offset[NR_CPUS] __read_mostly;
-EXPORT_SYMBOL(__per_cpu_offset);
-
 int early_cpu_to_node(int cpu)
 {
 	return cpu_to_node_map[cpu];
 }
+#endif
+
+#ifdef CONFIG_HAVE_SETUP_PER_CPU_AREA
+unsigned long __per_cpu_offset[NR_CPUS] __read_mostly;
+EXPORT_SYMBOL(__per_cpu_offset);
 
 static int __init pcpu_cpu_distance(unsigned int from, unsigned int to)
 {
-- 
2.47.0