From patchwork Tue Jul 16 11:13:34 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mike Rapoport X-Patchwork-Id: 13734430 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 E4AA8C3DA60 for ; Tue, 16 Jul 2024 11:16:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=Bl1rnEAORoTg+Rz4h11/iFfJr6mLaZez+YevyT+apfs=; b=UfJeuM+O8N9Hc8GuKFaw2S6sev PKm3m85o8jY2Sgz85++y2bw6g4zMwkQdiQmY7fK5fS+qwr8AdewWgfwj0JR4qRyWnZzoM6MS2CqbE JRi7/8UTfT7Dzxa9e8rGI2H+O4u/MZ0he8vNGXrurCHgncoPs5mRg0xQ4jkw8EbJOnc/4TrQfBE7d s6rlFqLMsAt40pzc72V/DV3OpxpuFPaTmmtt7HR/JziueXpNFluqs/lADg9zrAqxfQT+OaHwLsGhp FF4cBr04HPc4Xqd/FmA2SSRoeBXNJq3S2JjEO+OHlRy5kOsU3wdZq6BA21w8OV7/OhqQgor7PmsVw OA3hQvHw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sTgAc-0000000AB91-3W2z; Tue, 16 Jul 2024 11:16:34 +0000 Received: from dfw.source.kernel.org ([2604:1380:4641:c500::1]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sTg94-0000000AA2V-0JMf; Tue, 16 Jul 2024 11:15:02 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id 5AC766108C; Tue, 16 Jul 2024 11:14:57 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 71119C116B1; Tue, 16 Jul 2024 11:14:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1721128497; bh=UA0klgv2viiKR0+T1J1Sg8IipQ5Blqy8qGKV0TMcN0k=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Hfr0ZPQiq4ddVCM5js4xl2uQMjfDUsXd2/NBxRA3R7TYpvOejdnsJaRRxlMmMZHC5 EBSfwFm2L/V9FBPnbJJHEGqQhtUKP1hyHk76dlU5UNSO6fIpyhVct3YW7jgyF4EmoX okRXDl+cLkjO5sDflUKVlzOoXBQda/X7GxpeZyPafkjdXph4yb79zqSmAIZnBs8hsq EVM+DAxSS/m5UEWw0y5l8dcuiwTThvLZJ3EMDAsEVXJO0Y1fMMjgsnuWGozjPEda7j 0VQkO020JimUYLWXJ2r4f8LRfKjgjT5v6aPm3eX0VE5rNdoPwK/72mobKyyJgpGg/x uEz5GFQHUKXFA== 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 05/17] arch, mm: pull out allocation of NODE_DATA to generic code Date: Tue, 16 Jul 2024 14:13:34 +0300 Message-ID: <20240716111346.3676969-6-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_041458_318965_8E00616B X-CRM114-Status: GOOD ( 19.40 ) X-BeenThere: linux-arm-kernel@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-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: "Mike Rapoport (Microsoft)" Architectures that support NUMA duplicate the code that allocates NODE_DATA on the node-local memory with slight variations in reporting of the addresses where the memory was allocated. Use x86 version as the basis for the generic alloc_node_data() function and call this function in architecture specific numa initialization. Signed-off-by: Mike Rapoport (Microsoft) Acked-by: David Hildenbrand Reviewed-by: Jonathan Cameron --- arch/loongarch/kernel/numa.c | 18 ------------------ arch/mips/loongson64/numa.c | 16 ++-------------- arch/powerpc/mm/numa.c | 24 +++--------------------- arch/sh/mm/init.c | 7 +------ arch/sparc/mm/init_64.c | 9 ++------- arch/x86/mm/numa.c | 34 +--------------------------------- drivers/base/arch_numa.c | 21 +-------------------- include/linux/numa.h | 2 ++ mm/numa.c | 27 +++++++++++++++++++++++++++ 9 files changed, 39 insertions(+), 119 deletions(-) diff --git a/arch/loongarch/kernel/numa.c b/arch/loongarch/kernel/numa.c index acada671e020..84fe7f854820 100644 --- a/arch/loongarch/kernel/numa.c +++ b/arch/loongarch/kernel/numa.c @@ -187,24 +187,6 @@ int __init numa_add_memblk(int nid, u64 start, u64 end) return numa_add_memblk_to(nid, start, end, &numa_meminfo); } -static void __init alloc_node_data(int nid) -{ - void *nd; - unsigned long nd_pa; - size_t nd_sz = roundup(sizeof(pg_data_t), PAGE_SIZE); - - nd_pa = memblock_phys_alloc_try_nid(nd_sz, SMP_CACHE_BYTES, nid); - if (!nd_pa) { - pr_err("Cannot find %zu Byte for node_data (initial node: %d)\n", nd_sz, nid); - return; - } - - nd = __va(nd_pa); - - node_data[nid] = nd; - memset(nd, 0, sizeof(pg_data_t)); -} - static void __init node_mem_init(unsigned int node) { unsigned long start_pfn, end_pfn; diff --git a/arch/mips/loongson64/numa.c b/arch/mips/loongson64/numa.c index 9208eaadf690..909f6cec3a26 100644 --- a/arch/mips/loongson64/numa.c +++ b/arch/mips/loongson64/numa.c @@ -81,12 +81,8 @@ static void __init init_topology_matrix(void) static void __init node_mem_init(unsigned int node) { - struct pglist_data *nd; unsigned long node_addrspace_offset; unsigned long start_pfn, end_pfn; - unsigned long nd_pa; - int tnid; - const size_t nd_size = roundup(sizeof(pg_data_t), SMP_CACHE_BYTES); node_addrspace_offset = nid_to_addrbase(node); pr_info("Node%d's addrspace_offset is 0x%lx\n", @@ -96,16 +92,8 @@ static void __init node_mem_init(unsigned int node) pr_info("Node%d: start_pfn=0x%lx, end_pfn=0x%lx\n", node, start_pfn, end_pfn); - nd_pa = memblock_phys_alloc_try_nid(nd_size, SMP_CACHE_BYTES, node); - if (!nd_pa) - panic("Cannot allocate %zu bytes for node %d data\n", - nd_size, node); - nd = __va(nd_pa); - memset(nd, 0, sizeof(struct pglist_data)); - tnid = early_pfn_to_nid(nd_pa >> PAGE_SHIFT); - if (tnid != node) - pr_info("NODE_DATA(%d) on node %d\n", node, tnid); - node_data[node] = nd; + alloc_node_data(node); + NODE_DATA(node)->node_start_pfn = start_pfn; NODE_DATA(node)->node_spanned_pages = end_pfn - start_pfn; diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c index 8c18973cd71e..4c54764af160 100644 --- a/arch/powerpc/mm/numa.c +++ b/arch/powerpc/mm/numa.c @@ -1081,27 +1081,9 @@ void __init dump_numa_cpu_topology(void) static void __init setup_node_data(int nid, u64 start_pfn, u64 end_pfn) { u64 spanned_pages = end_pfn - start_pfn; - const size_t nd_size = roundup(sizeof(pg_data_t), SMP_CACHE_BYTES); - u64 nd_pa; - void *nd; - int tnid; - - nd_pa = memblock_phys_alloc_try_nid(nd_size, SMP_CACHE_BYTES, nid); - if (!nd_pa) - panic("Cannot allocate %zu bytes for node %d data\n", - nd_size, nid); - - nd = __va(nd_pa); - - /* report and initialize */ - pr_info(" NODE_DATA [mem %#010Lx-%#010Lx]\n", - nd_pa, nd_pa + nd_size - 1); - tnid = early_pfn_to_nid(nd_pa >> PAGE_SHIFT); - if (tnid != nid) - pr_info(" NODE_DATA(%d) on node %d\n", nid, tnid); - - node_data[nid] = nd; - memset(NODE_DATA(nid), 0, sizeof(pg_data_t)); + + alloc_node_data(nid); + NODE_DATA(nid)->node_id = nid; NODE_DATA(nid)->node_start_pfn = start_pfn; NODE_DATA(nid)->node_spanned_pages = spanned_pages; diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c index bf1b54055316..5cc89a0932c3 100644 --- a/arch/sh/mm/init.c +++ b/arch/sh/mm/init.c @@ -212,12 +212,7 @@ void __init allocate_pgdat(unsigned int nid) get_pfn_range_for_nid(nid, &start_pfn, &end_pfn); #ifdef CONFIG_NUMA - NODE_DATA(nid) = memblock_alloc_try_nid( - sizeof(struct pglist_data), - SMP_CACHE_BYTES, MEMBLOCK_LOW_LIMIT, - MEMBLOCK_ALLOC_ACCESSIBLE, nid); - if (!NODE_DATA(nid)) - panic("Can't allocate pgdat for node %d\n", nid); + alloc_node_data(nid); #endif NODE_DATA(nid)->node_start_pfn = start_pfn; diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c index 3cb698204609..83279c43572d 100644 --- a/arch/sparc/mm/init_64.c +++ b/arch/sparc/mm/init_64.c @@ -1075,14 +1075,9 @@ static void __init allocate_node_data(int nid) { struct pglist_data *p; unsigned long start_pfn, end_pfn; -#ifdef CONFIG_NUMA - NODE_DATA(nid) = memblock_alloc_node(sizeof(struct pglist_data), - SMP_CACHE_BYTES, nid); - if (!NODE_DATA(nid)) { - prom_printf("Cannot allocate pglist_data for nid[%d]\n", nid); - prom_halt(); - } +#ifdef CONFIG_NUMA + alloc_node_data(nid); NODE_DATA(nid)->node_id = nid; #endif diff --git a/arch/x86/mm/numa.c b/arch/x86/mm/numa.c index 7de725d6bb05..5e1dde26674b 100644 --- a/arch/x86/mm/numa.c +++ b/arch/x86/mm/numa.c @@ -191,39 +191,6 @@ int __init numa_add_memblk(int nid, u64 start, u64 end) return numa_add_memblk_to(nid, start, end, &numa_meminfo); } -/* Allocate NODE_DATA for a node on the local memory */ -static void __init alloc_node_data(int nid) -{ - const size_t nd_size = roundup(sizeof(pg_data_t), PAGE_SIZE); - u64 nd_pa; - void *nd; - int tnid; - - /* - * Allocate node data. Try node-local memory and then any node. - * Never allocate in DMA zone. - */ - nd_pa = memblock_phys_alloc_try_nid(nd_size, SMP_CACHE_BYTES, nid); - if (!nd_pa) { - pr_err("Cannot find %zu bytes in any node (initial node: %d)\n", - nd_size, nid); - return; - } - nd = __va(nd_pa); - - /* report and initialize */ - printk(KERN_INFO "NODE_DATA(%d) allocated [mem %#010Lx-%#010Lx]\n", nid, - nd_pa, nd_pa + nd_size - 1); - tnid = early_pfn_to_nid(nd_pa >> PAGE_SHIFT); - if (tnid != nid) - printk(KERN_INFO " NODE_DATA(%d) on node %d\n", nid, tnid); - - node_data[nid] = nd; - memset(NODE_DATA(nid), 0, sizeof(pg_data_t)); - - node_set_online(nid); -} - /** * numa_cleanup_meminfo - Cleanup a numa_meminfo * @mi: numa_meminfo to clean up @@ -571,6 +538,7 @@ static int __init numa_register_memblks(struct numa_meminfo *mi) continue; alloc_node_data(nid); + node_set_online(nid); } /* Dump memblock with node info and return. */ diff --git a/drivers/base/arch_numa.c b/drivers/base/arch_numa.c index 9b71ad2869f1..2ebf12eab99f 100644 --- a/drivers/base/arch_numa.c +++ b/drivers/base/arch_numa.c @@ -216,30 +216,11 @@ int __init numa_add_memblk(int nid, u64 start, u64 end) */ static void __init setup_node_data(int nid, u64 start_pfn, u64 end_pfn) { - const size_t nd_size = roundup(sizeof(pg_data_t), SMP_CACHE_BYTES); - u64 nd_pa; - void *nd; - int tnid; - if (start_pfn >= end_pfn) pr_info("Initmem setup node %d []\n", nid); - nd_pa = memblock_phys_alloc_try_nid(nd_size, SMP_CACHE_BYTES, nid); - if (!nd_pa) - panic("Cannot allocate %zu bytes for node %d data\n", - nd_size, nid); - - nd = __va(nd_pa); - - /* report and initialize */ - pr_info("NODE_DATA [mem %#010Lx-%#010Lx]\n", - nd_pa, nd_pa + nd_size - 1); - tnid = early_pfn_to_nid(nd_pa >> PAGE_SHIFT); - if (tnid != nid) - pr_info("NODE_DATA(%d) on node %d\n", nid, tnid); + alloc_node_data(nid); - node_data[nid] = nd; - memset(NODE_DATA(nid), 0, sizeof(pg_data_t)); NODE_DATA(nid)->node_id = nid; NODE_DATA(nid)->node_start_pfn = start_pfn; NODE_DATA(nid)->node_spanned_pages = end_pfn - start_pfn; diff --git a/include/linux/numa.h b/include/linux/numa.h index e5841d4057ab..3b12d8ca0afd 100644 --- a/include/linux/numa.h +++ b/include/linux/numa.h @@ -33,6 +33,8 @@ static inline bool numa_valid_node(int nid) extern struct pglist_data *node_data[]; #define NODE_DATA(nid) (node_data[nid]) +void __init alloc_node_data(int nid); + /* Generic implementation available */ int numa_nearest_node(int node, unsigned int state); diff --git a/mm/numa.c b/mm/numa.c index 8c157d41c026..0483cabc4c4b 100644 --- a/mm/numa.c +++ b/mm/numa.c @@ -1,11 +1,38 @@ // SPDX-License-Identifier: GPL-2.0-or-later +#include #include #include struct pglist_data *node_data[MAX_NUMNODES]; EXPORT_SYMBOL(node_data); +/* Allocate NODE_DATA for a node on the local memory */ +void __init alloc_node_data(int nid) +{ + const size_t nd_size = roundup(sizeof(pg_data_t), PAGE_SIZE); + u64 nd_pa; + void *nd; + int tnid; + + /* Allocate node data. Try node-local memory and then any node. */ + nd_pa = memblock_phys_alloc_try_nid(nd_size, SMP_CACHE_BYTES, nid); + if (!nd_pa) + panic("Cannot allocate %zu bytes for node %d data\n", + nd_size, nid); + nd = __va(nd_pa); + + /* report and initialize */ + pr_info("NODE_DATA(%d) allocated [mem %#010Lx-%#010Lx]\n", nid, + nd_pa, nd_pa + nd_size - 1); + tnid = early_pfn_to_nid(nd_pa >> PAGE_SHIFT); + if (tnid != nid) + pr_info(" NODE_DATA(%d) on node %d\n", nid, tnid); + + node_data[nid] = nd; + memset(NODE_DATA(nid), 0, sizeof(pg_data_t)); +} + /* Stub functions: */ #ifndef memory_add_physaddr_to_nid