From patchwork Tue Jul 16 11:13:33 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mike Rapoport X-Patchwork-Id: 13734446 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 963BEC3DA49 for ; Tue, 16 Jul 2024 11:16:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=DTIpgQ3FGpqSF/MgrsCkcIwYU6OD6nKCOmNbG61ebIg=; b=4wlN0prte5+X/C BR/L0rrOuRCC8Lm4Z2mXNq30wwpHWIawwQ+zc31V+VuJz53fa1nPeq2rD19JVgAxreKgDG98jfM6U EgSVTRsq3KBSK/lEjVQDmgvoKG4J92q2vHCbdsgnJqtUXWMq96CqJNsBVUDTx7SC60RKzEtS9/En6 pFn++vOjnZRR0gxQOJ6Wt4ygplUMjeo+4OTDJb66BpLUxehlwKajKWwI7Ec9wAu6HalDP//1hIfQr jxlqEHbAhkNiRGmRGllc9Zw1N0QJs0JJJmJeZZtl1NUC6/qTX4GGtgeT1961XqkNb5ZOpkxm7pnBO KmhJcc98Ni4LFLMN+3NQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sTgAA-0000000AAqP-2TIF; Tue, 16 Jul 2024 11:16:06 +0000 Received: from dfw.source.kernel.org ([139.178.84.217]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sTg8t-0000000A9wd-3EdB; Tue, 16 Jul 2024 11:14:50 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id 1DDE5611DC; Tue, 16 Jul 2024 11:14:47 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 462D3C116B1; Tue, 16 Jul 2024 11:14:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1721128486; bh=Nr0Xw7zE42/4/hTaVLwV3ANQ3x/5Q4ZVMXCafLjg0Z8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=GjexjOL09BiuFQEHIh8By2bwUyeMgrDmM9SBo2Pr4kPdXTVFWM62g0FJZ19vUHJwR B65j+HkX+5dZGbwDYkpB0VNqKnQQnzS/MTJcAspTh3d8BHFAsY3BjsC/hPIJmdQh4O qu405udnWhPInMrkAWsj23ZIqom4hYGxlqn52gs67k2L1+GG3Zq3qdXmRZZkuytI2S s0+GASzo9c4RqLCwSvkAm5f/LZlBvKH1t4eDhNBYz99o7iR+ukhngfdRcg8BBv5mhT bJpK3XQYKNamG9GocS6ai+U+AcNbFU1qardPhZWj51aJjb6kPHLONR233BHYnZ8JO4 JarEmI9SqpgkA== From: Mike Rapoport To: linux-kernel@vger.kernel.org Cc: Alexander Gordeev , Andreas Larsson , Andrew Morton , Arnd Bergmann , Borislav Petkov , Catalin Marinas , Christophe Leroy , Dan Williams , Dave Hansen , David Hildenbrand , "David S. Miller" , Greg Kroah-Hartman , Heiko Carstens , Huacai Chen , Ingo Molnar , Jiaxun Yang , John Paul Adrian Glaubitz , Jonathan Cameron , Michael Ellerman , Mike Rapoport , Palmer Dabbelt , "Rafael J. Wysocki" , Rob Herring , Thomas Bogendoerfer , Thomas Gleixner , Vasily Gorbik , Will Deacon , linux-arm-kernel@lists.infradead.org, loongarch@lists.linux.dev, linux-mips@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-acpi@vger.kernel.org, linux-cxl@vger.kernel.org, nvdimm@lists.linux.dev, devicetree@vger.kernel.org, linux-arch@vger.kernel.org, linux-mm@kvack.org, x86@kernel.org Subject: [PATCH 04/17] arch, mm: move definition of node_data to generic code Date: Tue, 16 Jul 2024 14:13:33 +0300 Message-ID: <20240716111346.3676969-5-rppt@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240716111346.3676969-1-rppt@kernel.org> References: <20240716111346.3676969-1-rppt@kernel.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240716_041448_064569_104974CD X-CRM114-Status: GOOD ( 21.87 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org From: "Mike Rapoport (Microsoft)" Every architecture that supports NUMA defines node_data in the same way: struct pglist_data *node_data[MAX_NUMNODES]; No reason to keep multiple copies of this definition and its forward declarations, especially when such forward declaration is the only thing in include/asm/mmzone.h for many architectures. Add definition and declaration of node_data to generic code and drop architecture-specific versions. Signed-off-by: Mike Rapoport (Microsoft) Acked-by: David Hildenbrand Reviewed-by: Jonathan Cameron Acked-by: Davidlohr Bueso --- arch/arm64/include/asm/Kbuild | 1 + arch/arm64/include/asm/mmzone.h | 13 ------------- arch/arm64/include/asm/topology.h | 1 + arch/loongarch/include/asm/Kbuild | 1 + arch/loongarch/include/asm/mmzone.h | 16 ---------------- arch/loongarch/include/asm/topology.h | 1 + arch/loongarch/kernel/numa.c | 3 --- arch/mips/include/asm/mach-ip27/mmzone.h | 4 ---- arch/mips/include/asm/mach-loongson64/mmzone.h | 4 ---- arch/mips/loongson64/numa.c | 2 -- arch/mips/sgi-ip27/ip27-memory.c | 3 --- arch/powerpc/include/asm/mmzone.h | 6 ------ arch/powerpc/mm/numa.c | 2 -- arch/riscv/include/asm/Kbuild | 1 + arch/riscv/include/asm/mmzone.h | 13 ------------- arch/riscv/include/asm/topology.h | 4 ++++ arch/s390/include/asm/Kbuild | 1 + arch/s390/include/asm/mmzone.h | 17 ----------------- arch/s390/kernel/numa.c | 3 --- arch/sh/include/asm/mmzone.h | 3 --- arch/sh/mm/numa.c | 3 --- arch/sparc/include/asm/mmzone.h | 4 ---- arch/sparc/mm/init_64.c | 2 -- arch/x86/include/asm/Kbuild | 1 + arch/x86/include/asm/mmzone.h | 6 ------ arch/x86/include/asm/mmzone_32.h | 17 ----------------- arch/x86/include/asm/mmzone_64.h | 18 ------------------ arch/x86/mm/numa.c | 3 --- drivers/base/arch_numa.c | 2 -- include/asm-generic/mmzone.h | 5 +++++ include/linux/numa.h | 3 +++ mm/numa.c | 3 +++ 32 files changed, 22 insertions(+), 144 deletions(-) delete mode 100644 arch/arm64/include/asm/mmzone.h delete mode 100644 arch/loongarch/include/asm/mmzone.h delete mode 100644 arch/riscv/include/asm/mmzone.h delete mode 100644 arch/s390/include/asm/mmzone.h delete mode 100644 arch/x86/include/asm/mmzone.h delete mode 100644 arch/x86/include/asm/mmzone_32.h delete mode 100644 arch/x86/include/asm/mmzone_64.h create mode 100644 include/asm-generic/mmzone.h diff --git a/arch/arm64/include/asm/Kbuild b/arch/arm64/include/asm/Kbuild index 4b6d2d52053e..4aaaa821ab6b 100644 --- a/arch/arm64/include/asm/Kbuild +++ b/arch/arm64/include/asm/Kbuild @@ -1,6 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 generic-y += early_ioremap.h generic-y += mcs_spinlock.h +generic-y += mmzone.h generic-y += qrwlock.h generic-y += qspinlock.h generic-y += parport.h diff --git a/arch/arm64/include/asm/mmzone.h b/arch/arm64/include/asm/mmzone.h deleted file mode 100644 index fa17e01d9ab2..000000000000 --- a/arch/arm64/include/asm/mmzone.h +++ /dev/null @@ -1,13 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef __ASM_MMZONE_H -#define __ASM_MMZONE_H - -#ifdef CONFIG_NUMA - -#include - -extern struct pglist_data *node_data[]; -#define NODE_DATA(nid) (node_data[(nid)]) - -#endif /* CONFIG_NUMA */ -#endif /* __ASM_MMZONE_H */ diff --git a/arch/arm64/include/asm/topology.h b/arch/arm64/include/asm/topology.h index 0f6ef432fb84..5fc3af9f8f29 100644 --- a/arch/arm64/include/asm/topology.h +++ b/arch/arm64/include/asm/topology.h @@ -5,6 +5,7 @@ #include #ifdef CONFIG_NUMA +#include struct pci_bus; int pcibus_to_node(struct pci_bus *bus); diff --git a/arch/loongarch/include/asm/Kbuild b/arch/loongarch/include/asm/Kbuild index c862672ed953..2804f2a2ad61 100644 --- a/arch/loongarch/include/asm/Kbuild +++ b/arch/loongarch/include/asm/Kbuild @@ -15,6 +15,7 @@ generic-y += fcntl.h generic-y += ioctl.h generic-y += ioctls.h generic-y += mman.h +generic-y += mmzone.h generic-y += msgbuf.h generic-y += sembuf.h generic-y += shmbuf.h diff --git a/arch/loongarch/include/asm/mmzone.h b/arch/loongarch/include/asm/mmzone.h deleted file mode 100644 index 2b9a90727e19..000000000000 --- a/arch/loongarch/include/asm/mmzone.h +++ /dev/null @@ -1,16 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * Author: Huacai Chen (chenhuacai@loongson.cn) - * Copyright (C) 2020-2022 Loongson Technology Corporation Limited - */ -#ifndef _ASM_MMZONE_H_ -#define _ASM_MMZONE_H_ - -#include -#include - -extern struct pglist_data *node_data[]; - -#define NODE_DATA(nid) (node_data[(nid)]) - -#endif /* _ASM_MMZONE_H_ */ diff --git a/arch/loongarch/include/asm/topology.h b/arch/loongarch/include/asm/topology.h index 66128dec0bf6..50273c9187d0 100644 --- a/arch/loongarch/include/asm/topology.h +++ b/arch/loongarch/include/asm/topology.h @@ -8,6 +8,7 @@ #include #ifdef CONFIG_NUMA +#include extern cpumask_t cpus_on_node[]; diff --git a/arch/loongarch/kernel/numa.c b/arch/loongarch/kernel/numa.c index 8fe21f868f72..acada671e020 100644 --- a/arch/loongarch/kernel/numa.c +++ b/arch/loongarch/kernel/numa.c @@ -27,10 +27,7 @@ #include int numa_off; -struct pglist_data *node_data[MAX_NUMNODES]; unsigned char node_distances[MAX_NUMNODES][MAX_NUMNODES]; - -EXPORT_SYMBOL(node_data); EXPORT_SYMBOL(node_distances); static struct numa_meminfo numa_meminfo; diff --git a/arch/mips/include/asm/mach-ip27/mmzone.h b/arch/mips/include/asm/mach-ip27/mmzone.h index 629c3f290203..56959eb9cb26 100644 --- a/arch/mips/include/asm/mach-ip27/mmzone.h +++ b/arch/mips/include/asm/mach-ip27/mmzone.h @@ -24,8 +24,4 @@ extern struct node_data *__node_data[]; #define hub_data(n) (&__node_data[(n)]->hub) -extern struct pglist_data *node_data[]; - -#define NODE_DATA(nid) (node_data[nid]) - #endif /* _ASM_MACH_MMZONE_H */ diff --git a/arch/mips/include/asm/mach-loongson64/mmzone.h b/arch/mips/include/asm/mach-loongson64/mmzone.h index 2effd5f8ed62..8fb70fd3c9c4 100644 --- a/arch/mips/include/asm/mach-loongson64/mmzone.h +++ b/arch/mips/include/asm/mach-loongson64/mmzone.h @@ -14,10 +14,6 @@ #define pa_to_nid(addr) (((addr) & 0xf00000000000) >> NODE_ADDRSPACE_SHIFT) #define nid_to_addrbase(nid) ((unsigned long)(nid) << NODE_ADDRSPACE_SHIFT) -extern struct pglist_data *node_data[]; - -#define NODE_DATA(n) (node_data[n]) - extern void __init prom_init_numa_memory(void); #endif /* _ASM_MACH_MMZONE_H */ diff --git a/arch/mips/loongson64/numa.c b/arch/mips/loongson64/numa.c index b50ce28d2741..9208eaadf690 100644 --- a/arch/mips/loongson64/numa.c +++ b/arch/mips/loongson64/numa.c @@ -29,8 +29,6 @@ unsigned char __node_distances[MAX_NUMNODES][MAX_NUMNODES]; EXPORT_SYMBOL(__node_distances); -struct pglist_data *node_data[MAX_NUMNODES]; -EXPORT_SYMBOL(node_data); cpumask_t __node_cpumask[MAX_NUMNODES]; EXPORT_SYMBOL(__node_cpumask); diff --git a/arch/mips/sgi-ip27/ip27-memory.c b/arch/mips/sgi-ip27/ip27-memory.c index c30ef6958b97..31e1d85b4fb2 100644 --- a/arch/mips/sgi-ip27/ip27-memory.c +++ b/arch/mips/sgi-ip27/ip27-memory.c @@ -34,9 +34,6 @@ #define SLOT_PFNSHIFT (SLOT_SHIFT - PAGE_SHIFT) #define PFN_NASIDSHFT (NASID_SHFT - PAGE_SHIFT) -struct pglist_data *node_data[MAX_NUMNODES]; -EXPORT_SYMBOL(node_data); - struct node_data *__node_data[MAX_NUMNODES]; EXPORT_SYMBOL(__node_data); diff --git a/arch/powerpc/include/asm/mmzone.h b/arch/powerpc/include/asm/mmzone.h index da827d2d0866..d99863cd6cde 100644 --- a/arch/powerpc/include/asm/mmzone.h +++ b/arch/powerpc/include/asm/mmzone.h @@ -20,12 +20,6 @@ #ifdef CONFIG_NUMA -extern struct pglist_data *node_data[]; -/* - * Return a pointer to the node data for node n. - */ -#define NODE_DATA(nid) (node_data[nid]) - /* * Following are specific to this numa platform. */ diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c index a490724e84ad..8c18973cd71e 100644 --- a/arch/powerpc/mm/numa.c +++ b/arch/powerpc/mm/numa.c @@ -43,11 +43,9 @@ static char *cmdline __initdata; int numa_cpu_lookup_table[NR_CPUS]; cpumask_var_t node_to_cpumask_map[MAX_NUMNODES]; -struct pglist_data *node_data[MAX_NUMNODES]; EXPORT_SYMBOL(numa_cpu_lookup_table); EXPORT_SYMBOL(node_to_cpumask_map); -EXPORT_SYMBOL(node_data); static int primary_domain_index; static int n_mem_addr_cells, n_mem_size_cells; diff --git a/arch/riscv/include/asm/Kbuild b/arch/riscv/include/asm/Kbuild index 504f8b7e72d4..e44f168f60fc 100644 --- a/arch/riscv/include/asm/Kbuild +++ b/arch/riscv/include/asm/Kbuild @@ -2,6 +2,7 @@ generic-y += early_ioremap.h generic-y += flat.h generic-y += kvm_para.h +generic-y += mmzone.h generic-y += parport.h generic-y += spinlock.h generic-y += spinlock_types.h diff --git a/arch/riscv/include/asm/mmzone.h b/arch/riscv/include/asm/mmzone.h deleted file mode 100644 index fa17e01d9ab2..000000000000 --- a/arch/riscv/include/asm/mmzone.h +++ /dev/null @@ -1,13 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef __ASM_MMZONE_H -#define __ASM_MMZONE_H - -#ifdef CONFIG_NUMA - -#include - -extern struct pglist_data *node_data[]; -#define NODE_DATA(nid) (node_data[(nid)]) - -#endif /* CONFIG_NUMA */ -#endif /* __ASM_MMZONE_H */ diff --git a/arch/riscv/include/asm/topology.h b/arch/riscv/include/asm/topology.h index 61183688bdd5..fe1a8bf6902d 100644 --- a/arch/riscv/include/asm/topology.h +++ b/arch/riscv/include/asm/topology.h @@ -4,6 +4,10 @@ #include +#ifdef CONFIG_NUMA +#include +#endif + /* Replace task scheduler's default frequency-invariant accounting */ #define arch_scale_freq_tick topology_scale_freq_tick #define arch_set_freq_scale topology_set_freq_scale diff --git a/arch/s390/include/asm/Kbuild b/arch/s390/include/asm/Kbuild index 4b904110d27c..297bf7157968 100644 --- a/arch/s390/include/asm/Kbuild +++ b/arch/s390/include/asm/Kbuild @@ -7,3 +7,4 @@ generated-y += unistd_nr.h generic-y += asm-offsets.h generic-y += kvm_types.h generic-y += mcs_spinlock.h +generic-y += mmzone.h diff --git a/arch/s390/include/asm/mmzone.h b/arch/s390/include/asm/mmzone.h deleted file mode 100644 index 73e3e7c6976c..000000000000 --- a/arch/s390/include/asm/mmzone.h +++ /dev/null @@ -1,17 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * NUMA support for s390 - * - * Copyright IBM Corp. 2015 - */ - -#ifndef _ASM_S390_MMZONE_H -#define _ASM_S390_MMZONE_H - -#ifdef CONFIG_NUMA - -extern struct pglist_data *node_data[]; -#define NODE_DATA(nid) (node_data[nid]) - -#endif /* CONFIG_NUMA */ -#endif /* _ASM_S390_MMZONE_H */ diff --git a/arch/s390/kernel/numa.c b/arch/s390/kernel/numa.c index 23ab9f02f278..ddc1448ea2e1 100644 --- a/arch/s390/kernel/numa.c +++ b/arch/s390/kernel/numa.c @@ -14,9 +14,6 @@ #include #include -struct pglist_data *node_data[MAX_NUMNODES]; -EXPORT_SYMBOL(node_data); - void __init numa_setup(void) { int nid; diff --git a/arch/sh/include/asm/mmzone.h b/arch/sh/include/asm/mmzone.h index 7b8dead2723d..63f88b465e39 100644 --- a/arch/sh/include/asm/mmzone.h +++ b/arch/sh/include/asm/mmzone.h @@ -5,9 +5,6 @@ #ifdef CONFIG_NUMA #include -extern struct pglist_data *node_data[]; -#define NODE_DATA(nid) (node_data[nid]) - static inline int pfn_to_nid(unsigned long pfn) { int nid; diff --git a/arch/sh/mm/numa.c b/arch/sh/mm/numa.c index 50f0dc1744d0..9bc212b5e762 100644 --- a/arch/sh/mm/numa.c +++ b/arch/sh/mm/numa.c @@ -14,9 +14,6 @@ #include #include -struct pglist_data *node_data[MAX_NUMNODES] __read_mostly; -EXPORT_SYMBOL_GPL(node_data); - /* * On SH machines the conventional approach is to stash system RAM * in node 0, and other memory blocks in to node 1 and up, ordered by diff --git a/arch/sparc/include/asm/mmzone.h b/arch/sparc/include/asm/mmzone.h index a236d8aa893a..74eb2c71d077 100644 --- a/arch/sparc/include/asm/mmzone.h +++ b/arch/sparc/include/asm/mmzone.h @@ -6,10 +6,6 @@ #include -extern struct pglist_data *node_data[]; - -#define NODE_DATA(nid) (node_data[nid]) - extern int numa_cpu_lookup_table[]; extern cpumask_t numa_cpumask_lookup_table[]; diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c index 00b247d924a9..3cb698204609 100644 --- a/arch/sparc/mm/init_64.c +++ b/arch/sparc/mm/init_64.c @@ -1115,11 +1115,9 @@ static void init_node_masks_nonnuma(void) } #ifdef CONFIG_NUMA -struct pglist_data *node_data[MAX_NUMNODES]; EXPORT_SYMBOL(numa_cpu_lookup_table); EXPORT_SYMBOL(numa_cpumask_lookup_table); -EXPORT_SYMBOL(node_data); static int scan_pio_for_cfg_handle(struct mdesc_handle *md, u64 pio, u32 cfg_handle) diff --git a/arch/x86/include/asm/Kbuild b/arch/x86/include/asm/Kbuild index a192bdea69e2..6c23d1661b17 100644 --- a/arch/x86/include/asm/Kbuild +++ b/arch/x86/include/asm/Kbuild @@ -11,3 +11,4 @@ generated-y += xen-hypercalls.h generic-y += early_ioremap.h generic-y += mcs_spinlock.h +generic-y += mmzone.h diff --git a/arch/x86/include/asm/mmzone.h b/arch/x86/include/asm/mmzone.h deleted file mode 100644 index c41b41edd691..000000000000 --- a/arch/x86/include/asm/mmzone.h +++ /dev/null @@ -1,6 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifdef CONFIG_X86_32 -# include -#else -# include -#endif diff --git a/arch/x86/include/asm/mmzone_32.h b/arch/x86/include/asm/mmzone_32.h deleted file mode 100644 index 2d4515e8b7df..000000000000 --- a/arch/x86/include/asm/mmzone_32.h +++ /dev/null @@ -1,17 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * Written by Pat Gaughen (gone@us.ibm.com) Mar 2002 - * - */ - -#ifndef _ASM_X86_MMZONE_32_H -#define _ASM_X86_MMZONE_32_H - -#include - -#ifdef CONFIG_NUMA -extern struct pglist_data *node_data[]; -#define NODE_DATA(nid) (node_data[nid]) -#endif /* CONFIG_NUMA */ - -#endif /* _ASM_X86_MMZONE_32_H */ diff --git a/arch/x86/include/asm/mmzone_64.h b/arch/x86/include/asm/mmzone_64.h deleted file mode 100644 index 0c585046f744..000000000000 --- a/arch/x86/include/asm/mmzone_64.h +++ /dev/null @@ -1,18 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* K8 NUMA support */ -/* Copyright 2002,2003 by Andi Kleen, SuSE Labs */ -/* 2.5 Version loosely based on the NUMAQ Code by Pat Gaughen. */ -#ifndef _ASM_X86_MMZONE_64_H -#define _ASM_X86_MMZONE_64_H - -#ifdef CONFIG_NUMA - -#include -#include - -extern struct pglist_data *node_data[]; - -#define NODE_DATA(nid) (node_data[nid]) - -#endif -#endif /* _ASM_X86_MMZONE_64_H */ diff --git a/arch/x86/mm/numa.c b/arch/x86/mm/numa.c index 6ce10e3c6228..7de725d6bb05 100644 --- a/arch/x86/mm/numa.c +++ b/arch/x86/mm/numa.c @@ -24,9 +24,6 @@ int numa_off; nodemask_t numa_nodes_parsed __initdata; -struct pglist_data *node_data[MAX_NUMNODES] __read_mostly; -EXPORT_SYMBOL(node_data); - static struct numa_meminfo numa_meminfo __initdata_or_meminfo; static struct numa_meminfo numa_reserved_meminfo __initdata_or_meminfo; diff --git a/drivers/base/arch_numa.c b/drivers/base/arch_numa.c index 5b59d133b6af..9b71ad2869f1 100644 --- a/drivers/base/arch_numa.c +++ b/drivers/base/arch_numa.c @@ -15,8 +15,6 @@ #include -struct pglist_data *node_data[MAX_NUMNODES] __read_mostly; -EXPORT_SYMBOL(node_data); nodemask_t numa_nodes_parsed __initdata; static int cpu_to_node_map[NR_CPUS] = { [0 ... NR_CPUS-1] = NUMA_NO_NODE }; diff --git a/include/asm-generic/mmzone.h b/include/asm-generic/mmzone.h new file mode 100644 index 000000000000..2ab5193e8394 --- /dev/null +++ b/include/asm-generic/mmzone.h @@ -0,0 +1,5 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ASM_GENERIC_MMZONE_H +#define _ASM_GENERIC_MMZONE_H + +#endif diff --git a/include/linux/numa.h b/include/linux/numa.h index eb19503604fe..e5841d4057ab 100644 --- a/include/linux/numa.h +++ b/include/linux/numa.h @@ -30,6 +30,9 @@ static inline bool numa_valid_node(int nid) #ifdef CONFIG_NUMA #include +extern struct pglist_data *node_data[]; +#define NODE_DATA(nid) (node_data[nid]) + /* Generic implementation available */ int numa_nearest_node(int node, unsigned int state); diff --git a/mm/numa.c b/mm/numa.c index 67ca6b8585c0..8c157d41c026 100644 --- a/mm/numa.c +++ b/mm/numa.c @@ -3,6 +3,9 @@ #include #include +struct pglist_data *node_data[MAX_NUMNODES]; +EXPORT_SYMBOL(node_data); + /* Stub functions: */ #ifndef memory_add_physaddr_to_nid