From patchwork Fri Jun 4 06:49:16 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mike Rapoport X-Patchwork-Id: 12298971 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-17.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9529DC47083 for ; Fri, 4 Jun 2021 07:03:52 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 6738261413 for ; Fri, 4 Jun 2021 07:03:52 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6738261413 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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=apX7kJE+Urbw1ugOBZ1aZE1/rz1KuoLE314/w7n5i+Q=; b=v0QwA2ZKKkLbQA fqmwxFI5FBeGQ0Cqr+/NLyv+O1qwye+EHdRMXVHlHsVHYhNYcdKEOefKlFL569Dw0xLrynEubKufV Ed3GgV0uGFqB67hd+nA/qUrFytMlrIKVreEGrjDewk6M0nok9cAElphGpeAQbJrX78wBaBK54aWvP URWl4UXamJNk7AkloEQiLFdFbo/AOkw99mtk82gpdsqNUkJmvJFH65cYoZX6922eWY7g3x+g2h/UX c0Y5stluw3lBAdlY33h8OjJX0BMrBx6LUvgEBhCf258DlKcIgGEo8iUln2gz7jJMh90UcehEN1DY4 hZHjD5v5sNu0YetteSXw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1lp3px-00Btl3-Jb; Fri, 04 Jun 2021 07:01:48 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1lp3f5-00BoDh-2D; Fri, 04 Jun 2021 06:50:33 +0000 Received: by mail.kernel.org (Postfix) with ESMTPSA id 3515A61415; Fri, 4 Jun 2021 06:50:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1622789430; bh=lDEh/GlZ6IHzCVgoifZXFj4eSjBGzRR223ZmBbEbu7M=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=FFzVOjIJiCWzdDVdPOERBe+6WCuPkRQX7QoI7Waosxm/3cjzgDaj7FR4VcbvtndpF I7LnDiGmeXg+T//F9l1eT/bfu4LdtRglAhKPnEwGrSICHYLC4d4iqYRIWVGsjPrQsY SQlmy4lnuYwfWGbNxIBov1kbm+UssQAoftJ4Ihv9dOUOh1TNLPmsA6Wada1KVNha4R YBsOMw5ijOD+d9Ylug1CBP0Znxweh4IQwpiLtVrygr6/BGOPGwyD6kk/2+T/pQHvGJ 3yA2ewQe15ITdLRhwcIMW7tJYcTEAOpVVnMo+uilV6cGq6XyCS25HnxLbvk3H/+VDA 5UTnsjhL588eg== From: Mike Rapoport To: Andrew Morton Cc: Arnd Bergmann , Geert Uytterhoeven , Ivan Kokshaysky , Jonathan Corbet , Matt Turner , Mike Rapoport , Mike Rapoport , Richard Henderson , Vineet Gupta , kexec@lists.infradead.org, linux-alpha@vger.kernel.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-doc@vger.kernel.org, linux-ia64@vger.kernel.org, linux-kernel@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-mm@kvack.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, linux-snps-arc@lists.infradead.org, linux-xtensa@linux-xtensa.org, linuxppc-dev@lists.ozlabs.org, sparclinux@vger.kernel.org Subject: [PATCH v2 9/9] mm: replace CONFIG_FLAT_NODE_MEM_MAP with CONFIG_FLATMEM Date: Fri, 4 Jun 2021 09:49:16 +0300 Message-Id: <20210604064916.26580-10-rppt@kernel.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20210604064916.26580-1-rppt@kernel.org> References: <20210604064916.26580-1-rppt@kernel.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210603_235031_190001_5A82A9D3 X-CRM114-Status: GOOD ( 15.63 ) 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 After removal of the DISCONTIGMEM memory model the FLAT_NODE_MEM_MAP configuration option is equivalent to FLATMEM. Drop CONFIG_FLAT_NODE_MEM_MAP and use CONFIG_FLATMEM instead. Signed-off-by: Mike Rapoport --- include/linux/mmzone.h | 4 ++-- kernel/crash_core.c | 2 +- mm/Kconfig | 4 ---- mm/page_alloc.c | 6 +++--- mm/page_ext.c | 2 +- 5 files changed, 7 insertions(+), 11 deletions(-) diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index acdc51c7b259..1d5cafe5ccc3 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -777,7 +777,7 @@ typedef struct pglist_data { struct zonelist node_zonelists[MAX_ZONELISTS]; int nr_zones; /* number of populated zones in this node */ -#ifdef CONFIG_FLAT_NODE_MEM_MAP /* means !SPARSEMEM */ +#ifdef CONFIG_FLATMEM /* means !SPARSEMEM */ struct page *node_mem_map; #ifdef CONFIG_PAGE_EXTENSION struct page_ext *node_page_ext; @@ -867,7 +867,7 @@ typedef struct pglist_data { #define node_present_pages(nid) (NODE_DATA(nid)->node_present_pages) #define node_spanned_pages(nid) (NODE_DATA(nid)->node_spanned_pages) -#ifdef CONFIG_FLAT_NODE_MEM_MAP +#ifdef CONFIG_FLATMEM #define pgdat_page_nr(pgdat, pagenr) ((pgdat)->node_mem_map + (pagenr)) #else #define pgdat_page_nr(pgdat, pagenr) pfn_to_page((pgdat)->node_start_pfn + (pagenr)) diff --git a/kernel/crash_core.c b/kernel/crash_core.c index 53eb8bc6026d..2b8446ea7105 100644 --- a/kernel/crash_core.c +++ b/kernel/crash_core.c @@ -483,7 +483,7 @@ static int __init crash_save_vmcoreinfo_init(void) VMCOREINFO_OFFSET(page, compound_head); VMCOREINFO_OFFSET(pglist_data, node_zones); VMCOREINFO_OFFSET(pglist_data, nr_zones); -#ifdef CONFIG_FLAT_NODE_MEM_MAP +#ifdef CONFIG_FLATMEM VMCOREINFO_OFFSET(pglist_data, node_mem_map); #endif VMCOREINFO_OFFSET(pglist_data, node_start_pfn); diff --git a/mm/Kconfig b/mm/Kconfig index bffe4bd859f3..ded98fb859ab 100644 --- a/mm/Kconfig +++ b/mm/Kconfig @@ -55,10 +55,6 @@ config FLATMEM def_bool y depends on !SPARSEMEM || FLATMEM_MANUAL -config FLAT_NODE_MEM_MAP - def_bool y - depends on !SPARSEMEM - # # SPARSEMEM_EXTREME (which is the default) does some bootmem # allocations when sparse_init() is called. If this cannot diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 8f08135d3eb4..f039736541eb 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -6444,7 +6444,7 @@ static void __meminit zone_init_free_lists(struct zone *zone) } } -#if !defined(CONFIG_FLAT_NODE_MEM_MAP) +#if !defined(CONFIG_FLATMEM) /* * Only struct pages that correspond to ranges defined by memblock.memory * are zeroed and initialized by going through __init_single_page() during @@ -7241,7 +7241,7 @@ static void __init free_area_init_core(struct pglist_data *pgdat) } } -#ifdef CONFIG_FLAT_NODE_MEM_MAP +#ifdef CONFIG_FLATMEM static void __ref alloc_node_mem_map(struct pglist_data *pgdat) { unsigned long __maybe_unused start = 0; @@ -7289,7 +7289,7 @@ static void __ref alloc_node_mem_map(struct pglist_data *pgdat) } #else static void __ref alloc_node_mem_map(struct pglist_data *pgdat) { } -#endif /* CONFIG_FLAT_NODE_MEM_MAP */ +#endif /* CONFIG_FLATMEM */ #ifdef CONFIG_DEFERRED_STRUCT_PAGE_INIT static inline void pgdat_set_deferred_range(pg_data_t *pgdat) diff --git a/mm/page_ext.c b/mm/page_ext.c index df6f74aac8e1..293b2685fc48 100644 --- a/mm/page_ext.c +++ b/mm/page_ext.c @@ -191,7 +191,7 @@ void __init page_ext_init_flatmem(void) panic("Out of memory"); } -#else /* CONFIG_FLAT_NODE_MEM_MAP */ +#else /* CONFIG_FLATMEM */ struct page_ext *lookup_page_ext(const struct page *page) {