From patchwork Sun Mar 19 22:00:01 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mike Rapoport X-Patchwork-Id: 71901 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a5d:604a:0:0:0:0:0 with SMTP id j10csp894316wrt; Sun, 19 Mar 2023 15:08:30 -0700 (PDT) X-Google-Smtp-Source: AK7set8XMiWPgzzfFgRR2JsHWGONh+OFg68X6wG834zyzAHtMOMRtvKQ2HMrY42elcawPYzw872a X-Received: by 2002:a05:6a20:baa7:b0:c7:4bf5:fa0a with SMTP id fb39-20020a056a20baa700b000c74bf5fa0amr13893580pzb.48.1679263710642; Sun, 19 Mar 2023 15:08:30 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1679263710; cv=none; d=google.com; s=arc-20160816; b=B4swdrMMCDsVD65DN1tZAWKqeDBTHA+VjGLKh+AjGuWG0IDS90yXNG5ZZBXtlENR8b Z2us+9wqIgEdT9TWF1Dl8owVNRf2Yf0TaIP8/RcKl+7SIH27LInqJA7ZDf3qHakYxvMd HX/8PKs7/jq3kvJX7FQAfJCgqrFbozklNOQBCcEE2yTMyoGEAizAIbS+rpdpCmkQgOuy htCQDM+YN5d50nVR+ahYNStlqD/4F1516KBTlk1q0Xh2d5GrPwM3HJAEeSfya5wlp6EC qu7aNa96SjXhplhmZlVNsBcNb/8gWsJaugC3QQTErYFrzJzWggSQ/re7iehh+e8/ympF S/ug== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=QlBbim3xnh0fjP4Sc4K6+MacYz8bYA1jMrCNMhhDe04=; b=xc4mD/V/sYuBzqereNOidfZphx0q5XXoQTLN2UKJFlpOFrq2sOQcwGD6IxcGw2b328 DVPIRh2zByi7eldlGh7M6C7H9Ue83BajwInb/jgnBNKMMeSa0We07ZBC43w/P/ILB7SX FtDvS78QDN/fgohmzjT1glxCvYKNVSY5dGSxdqD21uyXwUHoY5ppJlZ/NAynZsymmmQJ YKBkwGuqtTNsjzu5kBKSrt5rWjMJAwlgYZLU4q7lycsieBKbNVnKCA9NrvLRIeJyywaY kLSrU5SvJUfTNfNOFcRO05xLV+Cq8kt1pxT5h6gpv87eTZd/Ybl1MZvERBjYYIdo9cnJ p9/g== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b="CQj36/c5"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id l187-20020a6391c4000000b004fb7e7d565asi9068437pge.651.2023.03.19.15.08.15; Sun, 19 Mar 2023 15:08:30 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b="CQj36/c5"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230258AbjCSWB7 (ORCPT + 99 others); Sun, 19 Mar 2023 18:01:59 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52872 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230314AbjCSWBk (ORCPT ); Sun, 19 Mar 2023 18:01:40 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 58ABB1C58E; Sun, 19 Mar 2023 15:00:52 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 3A59A611A9; Sun, 19 Mar 2023 22:00:52 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id A29E8C433A4; Sun, 19 Mar 2023 22:00:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1679263251; bh=uV4gJFJoIVTV9htd8RCrOaAU9KLl8DLHB7MDbKZkC0g=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=CQj36/c5qv8IcPiOqJ0xZNbpyBo/SK2XmaGkWi+IO6y2dPZ2tG4ua/h6o0SS/c+iF 0scf0+O+3sWRH8CDsPGEWYBh0quOjdP03gCVFOwKETutJR55v2nNmNqpEHFpR5zChI 1oUfHaGThm+jLhVeBkiV9A1P7wUoSIpSKGDiKp0ke6ltYYwZr5j00FKAoLikFoEcU1 wnkOmpjfpc0dCyEUH9/+HUtbM6Yo7gNsfxaQaZ2QWOT9/HoSzsa2m9O+gLhzRdh2a5 xckfYrHXcat9vF3ZRBqqDW3w9roV5Vk7ifLGQNVxGpAr/7YgP5GHwymALkop8292BD 3SB+xrnbB62mw== From: Mike Rapoport To: Andrew Morton Cc: David Hildenbrand , Matthew Wilcox , Mel Gorman , Michal Hocko , Mike Rapoport , Thomas Bogendoerfer , Vlastimil Babka , linux-kernel@vger.kernel.org, linux-mips@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 08/15] init,mm: move mm_init() to mm/mm_init.c and rename it to mm_core_init() Date: Mon, 20 Mar 2023 00:00:01 +0200 Message-Id: <20230319220008.2138576-9-rppt@kernel.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20230319220008.2138576-1-rppt@kernel.org> References: <20230319220008.2138576-1-rppt@kernel.org> MIME-Version: 1.0 X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1760835624248861845?= X-GMAIL-MSGID: =?utf-8?q?1760835624248861845?= From: "Mike Rapoport (IBM)" Make mm_init() a part of mm/ codebase. mm_core_init() better describes what the function does and does not clash with mm_init() in kernel/fork.c Signed-off-by: Mike Rapoport (IBM) Acked-by: David Hildenbrand --- include/linux/mm.h | 1 + init/main.c | 71 ++------------------------------------------ mm/mm_init.c | 73 ++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 76 insertions(+), 69 deletions(-) diff --git a/include/linux/mm.h b/include/linux/mm.h index ee755bb4e1c1..2d7f095136fc 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -39,6 +39,7 @@ struct pt_regs; extern int sysctl_page_lock_unfairness; +void mm_core_init(void); void init_mm_internals(void); #ifndef CONFIG_NUMA /* Don't use mapnrs, do it properly */ diff --git a/init/main.c b/init/main.c index 4423906177c1..8a20b4c25f24 100644 --- a/init/main.c +++ b/init/main.c @@ -803,73 +803,6 @@ static inline void initcall_debug_enable(void) } #endif -/* Report memory auto-initialization states for this boot. */ -static void __init report_meminit(void) -{ - const char *stack; - - if (IS_ENABLED(CONFIG_INIT_STACK_ALL_PATTERN)) - stack = "all(pattern)"; - else if (IS_ENABLED(CONFIG_INIT_STACK_ALL_ZERO)) - stack = "all(zero)"; - else if (IS_ENABLED(CONFIG_GCC_PLUGIN_STRUCTLEAK_BYREF_ALL)) - stack = "byref_all(zero)"; - else if (IS_ENABLED(CONFIG_GCC_PLUGIN_STRUCTLEAK_BYREF)) - stack = "byref(zero)"; - else if (IS_ENABLED(CONFIG_GCC_PLUGIN_STRUCTLEAK_USER)) - stack = "__user(zero)"; - else - stack = "off"; - - pr_info("mem auto-init: stack:%s, heap alloc:%s, heap free:%s\n", - stack, want_init_on_alloc(GFP_KERNEL) ? "on" : "off", - want_init_on_free() ? "on" : "off"); - if (want_init_on_free()) - pr_info("mem auto-init: clearing system memory may take some time...\n"); -} - -/* - * Set up kernel memory allocators - */ -static void __init mm_init(void) -{ - /* Initializations relying on SMP setup */ - build_all_zonelists(NULL); - page_alloc_init_cpuhp(); - - /* - * page_ext requires contiguous pages, - * bigger than MAX_ORDER unless SPARSEMEM. - */ - page_ext_init_flatmem(); - init_mem_debugging_and_hardening(); - kfence_alloc_pool(); - report_meminit(); - kmsan_init_shadow(); - stack_depot_early_init(); - mem_init(); - mem_init_print_info(); - kmem_cache_init(); - /* - * page_owner must be initialized after buddy is ready, and also after - * slab is ready so that stack_depot_init() works properly - */ - page_ext_init_flatmem_late(); - kmemleak_init(); - pgtable_init(); - debug_objects_mem_init(); - vmalloc_init(); - /* If no deferred init page_ext now, as vmap is fully initialized */ - if (!deferred_struct_pages) - page_ext_init(); - /* Should be run before the first non-init thread is created */ - init_espfix_bsp(); - /* Should be run after espfix64 is set up. */ - pti_init(); - kmsan_init_runtime(); - mm_cache_init(); -} - #ifdef CONFIG_RANDOMIZE_KSTACK_OFFSET DEFINE_STATIC_KEY_MAYBE_RO(CONFIG_RANDOMIZE_KSTACK_OFFSET_DEFAULT, randomize_kstack_offset); @@ -993,13 +926,13 @@ asmlinkage __visible void __init __no_sanitize_address start_kernel(void) /* * These use large bootmem allocations and must precede - * kmem_cache_init() + * initalization of page allocator */ setup_log_buf(0); vfs_caches_init_early(); sort_main_extable(); trap_init(); - mm_init(); + mm_core_init(); poking_init(); ftrace_init(); diff --git a/mm/mm_init.c b/mm/mm_init.c index 8aaaddd13a20..1da48762e4a2 100644 --- a/mm/mm_init.c +++ b/mm/mm_init.c @@ -20,9 +20,15 @@ #include #include #include +#include +#include +#include +#include #include "internal.h" #include "shuffle.h" +#include + #ifdef CONFIG_DEBUG_MEMORY_INIT int __meminitdata mminit_loglevel; @@ -2504,3 +2510,70 @@ void __init memblock_free_pages(struct page *page, unsigned long pfn, } __free_pages_core(page, order); } + +/* Report memory auto-initialization states for this boot. */ +static void __init report_meminit(void) +{ + const char *stack; + + if (IS_ENABLED(CONFIG_INIT_STACK_ALL_PATTERN)) + stack = "all(pattern)"; + else if (IS_ENABLED(CONFIG_INIT_STACK_ALL_ZERO)) + stack = "all(zero)"; + else if (IS_ENABLED(CONFIG_GCC_PLUGIN_STRUCTLEAK_BYREF_ALL)) + stack = "byref_all(zero)"; + else if (IS_ENABLED(CONFIG_GCC_PLUGIN_STRUCTLEAK_BYREF)) + stack = "byref(zero)"; + else if (IS_ENABLED(CONFIG_GCC_PLUGIN_STRUCTLEAK_USER)) + stack = "__user(zero)"; + else + stack = "off"; + + pr_info("mem auto-init: stack:%s, heap alloc:%s, heap free:%s\n", + stack, want_init_on_alloc(GFP_KERNEL) ? "on" : "off", + want_init_on_free() ? "on" : "off"); + if (want_init_on_free()) + pr_info("mem auto-init: clearing system memory may take some time...\n"); +} + +/* + * Set up kernel memory allocators + */ +void __init mm_core_init(void) +{ + /* Initializations relying on SMP setup */ + build_all_zonelists(NULL); + page_alloc_init_cpuhp(); + + /* + * page_ext requires contiguous pages, + * bigger than MAX_ORDER unless SPARSEMEM. + */ + page_ext_init_flatmem(); + init_mem_debugging_and_hardening(); + kfence_alloc_pool(); + report_meminit(); + kmsan_init_shadow(); + stack_depot_early_init(); + mem_init(); + mem_init_print_info(); + kmem_cache_init(); + /* + * page_owner must be initialized after buddy is ready, and also after + * slab is ready so that stack_depot_init() works properly + */ + page_ext_init_flatmem_late(); + kmemleak_init(); + pgtable_init(); + debug_objects_mem_init(); + vmalloc_init(); + /* If no deferred init page_ext now, as vmap is fully initialized */ + if (!deferred_struct_pages) + page_ext_init(); + /* Should be run before the first non-init thread is created */ + init_espfix_bsp(); + /* Should be run after espfix64 is set up. */ + pti_init(); + kmsan_init_runtime(); + mm_cache_init(); +}