linux-kernel - [RFC/RFT PATCH 2/6] arm64, numa: Change the numa init function name to be generic

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Date:   Fri, 14 Aug 2020 14:47:21 -0700
From:   Atish Patra <atish.patra@....com>
To:     linux-kernel@...r.kernel.org
Cc:     Atish Patra <atish.patra@....com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Anshuman Khandual <anshuman.khandual@....com>,
        Anup Patel <Anup.Patel@....com>, Arnd Bergmann <arnd@...db.de>,
        Catalin Marinas <catalin.marinas@....com>,
        Greentime Hu <greentime.hu@...ive.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-arch@...r.kernel.org, linux-riscv@...ts.infradead.org,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Mike Rapoport <rppt@...nel.org>,
        Nick Hu <nickhu@...estech.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Rob Herring <robh@...nel.org>,
        Steven Price <steven.price@....com>,
        Will Deacon <will@...nel.org>, Zong Li <zong.li@...ive.com>,
        Ganapatrao Kulkarni <gkulkarni@...ium.com>,
        linux-arm-kernel@...ts.infradead.org
Subject: [RFC/RFT PATCH 2/6] arm64, numa: Change the numa init function name to be generic

As we are using generic numa implementation code, modify the init function
name to indicate that generic implementation.

Signed-off-by: Atish Patra <atish.patra@....com>
---
 arch/arm64/mm/init.c       | 4 ++--
 drivers/base/arch_numa.c   | 8 ++++++--
 include/asm-generic/numa.h | 4 ++--
 3 files changed, 10 insertions(+), 6 deletions(-)

diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c
index 481d22c32a2e..93b660229e1d 100644
--- a/arch/arm64/mm/init.c
+++ b/arch/arm64/mm/init.c
@@ -418,10 +418,10 @@ void __init bootmem_init(void)
 	max_pfn = max_low_pfn = max;
 	min_low_pfn = min;
 
-	arm64_numa_init();
+	arch_numa_init();
 
 	/*
-	 * must be done after arm64_numa_init() which calls numa_init() to
+	 * must be done after arch_numa_init() which calls numa_init() to
 	 * initialize node_online_map that gets used in hugetlb_cma_reserve()
 	 * while allocating required CMA size across online nodes.
 	 */
diff --git a/drivers/base/arch_numa.c b/drivers/base/arch_numa.c
index 73f8b49d485c..83341c807240 100644
--- a/drivers/base/arch_numa.c
+++ b/drivers/base/arch_numa.c
@@ -13,7 +13,9 @@
 #include <linux/module.h>
 #include <linux/of.h>
 
+#ifdef CONFIG_ARM64
 #include <asm/acpi.h>
+#endif
 #include <asm/sections.h>
 
 struct pglist_data *node_data[MAX_NUMNODES] __read_mostly;
@@ -445,16 +447,18 @@ static int __init dummy_numa_init(void)
 }
 
 /**
- * arm64_numa_init() - Initialize NUMA
+ * arch_numa_init() - Initialize NUMA
  *
  * Try each configured NUMA initialization method until one succeeds. The
  * last fallback is dummy single node config encomapssing whole memory.
  */
-void __init arm64_numa_init(void)
+void __init arch_numa_init(void)
 {
 	if (!numa_off) {
+#ifdef CONFIG_ARM64
 		if (!acpi_disabled && !numa_init(arm64_acpi_numa_init))
 			return;
+#endif
 		if (acpi_disabled && !numa_init(of_numa_init))
 			return;
 	}
diff --git a/include/asm-generic/numa.h b/include/asm-generic/numa.h
index 0635c0724b7c..309eca8c0b5d 100644
--- a/include/asm-generic/numa.h
+++ b/include/asm-generic/numa.h
@@ -27,7 +27,7 @@ static inline const struct cpumask *cpumask_of_node(int node)
 }
 #endif
 
-void __init arm64_numa_init(void);
+void __init arch_numa_init(void);
 int __init numa_add_memblk(int nodeid, u64 start, u64 end);
 void __init numa_set_distance(int from, int to, int distance);
 void __init numa_free_distance(void);
@@ -41,7 +41,7 @@ void numa_remove_cpu(unsigned int cpu);
 static inline void numa_store_cpu_info(unsigned int cpu) { }
 static inline void numa_add_cpu(unsigned int cpu) { }
 static inline void numa_remove_cpu(unsigned int cpu) { }
-static inline void arm64_numa_init(void) { }
+static inline void arch_numa_init(void) { }
 static inline void early_map_cpu_to_node(unsigned int cpu, int nid) { }
 
 #endif	/* CONFIG_NUMA */
-- 
2.24.0