From mboxrd@z Thu Jan 1 00:00:00 1970 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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id D9BDFD25037 for ; Sun, 11 Jan 2026 08:26:44 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 488836B0088; Sun, 11 Jan 2026 03:26:44 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 446576B00B7; Sun, 11 Jan 2026 03:26:44 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 31D2F6B00B9; Sun, 11 Jan 2026 03:26:44 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0014.hostedemail.com [216.40.44.14]) by kanga.kvack.org (Postfix) with ESMTP id 2025E6B0088 for ; Sun, 11 Jan 2026 03:26:44 -0500 (EST) Received: from smtpin16.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay09.hostedemail.com (Postfix) with ESMTP id D39518B749 for ; Sun, 11 Jan 2026 08:26:43 +0000 (UTC) X-FDA: 84319001886.16.07C330D Received: from tor.source.kernel.org (tor.source.kernel.org [172.105.4.254]) by imf14.hostedemail.com (Postfix) with ESMTP id 4BF11100006 for ; Sun, 11 Jan 2026 08:26:42 +0000 (UTC) Authentication-Results: imf14.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=nl3wHs1O; spf=pass (imf14.hostedemail.com: domain of rppt@kernel.org designates 172.105.4.254 as permitted sender) smtp.mailfrom=rppt@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1768120002; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=azukzfgsXgu/EZDimou0ymklRTxVzT+QThHCfbcQvB4=; b=5fOVdeiRWO1seWIOUqEuWk7YIeoJJ0HYKCZOHA1l5BtXXtkisVIF1Gp7odURM0vVJWNUPv ub9Xbzaz1bf+NEwTcbIs62I8QYdg5U5A50M80rH6ClrM4jxqT0shVbfhIt0wX4HLs/qjrN XVzA+BZ5Er8DG12qAYGUdAovYwPKcDs= ARC-Authentication-Results: i=1; imf14.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=nl3wHs1O; spf=pass (imf14.hostedemail.com: domain of rppt@kernel.org designates 172.105.4.254 as permitted sender) smtp.mailfrom=rppt@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1768120002; a=rsa-sha256; cv=none; b=PWO9WBRl3Y7krH/8mGmQs1vdskKI65O6gJWcvjitIW087qj4qJZAr1WVlKcZsEMOiGP1Z3 l+K7tNGo6BohQKIrNJQKcdFJH+XnnK2AVLvebbo34/tOfZGvLWDcWlb53Np2W+DG0Lhqbj mjjA7IeL/5sDYs0QW8t969oc9wqhCnk= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id A263460122; Sun, 11 Jan 2026 08:26:41 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B8F77C4CEF7; Sun, 11 Jan 2026 08:26:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1768120001; bh=4MJzw8wq/vYacVlPos8SheQzjEj4nCDptI3YxDfhXAU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=nl3wHs1O2pqUdz0Vvuzmv46OR0qcJI1+HN5Ee4h/md2AnUo3Ou1FlhbxYHJnpXEFj Qdh5nldk6nj1FcSAWN1zgII2VIOLmZPirbF4ihWm3QG+z7kpMwkoSBVDrxhWWen7KB T2i3p8WFkV9Lgt6Z/5CoUlwWxBnIW/3tXd8oV8ehlBl8P22GRw/KKkaxcaBbDttGNB Gdbga/UDVtZTC0f9560H5GpOjK/dXA/5q43JwZkM44fdhedj3lwEfEjbC0p/+HAVxh Q6X399TIg7FsRwK7XllXsTWt217qXNEQIQr/VobGW+cbxfbUQn4O+kRXx6S2MViokM dlYMsjJ7vMB4A== From: Mike Rapoport To: Andrew Morton Cc: Alex Shi , Alexander Gordeev , Andreas Larsson , Borislav Petkov , Brian Cain , "Christophe Leroy (CS GROUP)" , Catalin Marinas , "David S. Miller" , Dave Hansen , David Hildenbrand , Dinh Nguyen , Geert Uytterhoeven , Guo Ren , Heiko Carstens , Helge Deller , Huacai Chen , Ingo Molnar , Johannes Berg , John Paul Adrian Glaubitz , Jonathan Corbet , Klara Modin , "Liam R. Howlett" , Lorenzo Stoakes , Magnus Lindholm , Matt Turner , Max Filippov , Michael Ellerman , Michal Hocko , Michal Simek , Mike Rapoport , Muchun Song , Oscar Salvador , Palmer Dabbelt , Pratyush Yadav , Richard Weinberger , Ritesh Harjani , Russell King , Stafford Horne , Suren Baghdasaryan , Thomas Bogendoerfer , Thomas Gleixner , Vasily Gorbik , Vineet Gupta , Vlastimil Babka , Will Deacon , x86@kernel.org, linux-alpha@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, linux-cxl@vger.kernel.org, linux-doc@vger.kernel.org, linux-hexagon@vger.kernel.org, linux-kernel@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-mm@kvack.org, linux-openrisc@vger.kernel.org, linux-parisc@vger.kernel.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, linux-snps-arc@lists.infradead.org, linux-um@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, loongarch@lists.linux.dev, sparclinux@vger.kernel.org Subject: [PATCH v3 21/29] x86: introduce arch_zone_limits_init() Date: Sun, 11 Jan 2026 10:20:55 +0200 Message-ID: <20260111082105.290734-22-rppt@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260111082105.290734-1-rppt@kernel.org> References: <20260111082105.290734-1-rppt@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 4BF11100006 X-Stat-Signature: ipr46ysh3ombh57nc4nntuc8g8r5pqrk X-Rspam-User: X-Rspamd-Server: rspam05 X-HE-Tag: 1768120002-383605 X-HE-Meta: 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 ortgN1t6 GksL5u7y+s55q/P7BtCaZlfD8ddRiBwKN+d8NsnxPpDIltRzEZZ453BqT/G+MPQK5puxegMDfqfv237ArmnlKzXdJOUVfx5JuoRtDaJ7wUqk7ByfLxcqFvC7TdYiZj78Ny5BAXYLKgfmhcw5cdsGvejIcupxnxPnSsocVyjTmCYKRR5sR062eTeYzUZKXCWY66ZPr8abhXhyybpXXMG82F3VJGvf6Bmsbf/bMj5kAwGdm+7phgkPZjEsUMUNO7oxoVidkr1L+HPnfKspbUSqB2395FwFjslpMRJuSptq2udMIolyz/5GIrBsM0mGdJa0WzI8FfozQU/AFnCC3rh3w9n/Jd2/Q3YoZiDxk X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: From: "Mike Rapoport (Microsoft)" Move calculations of zone limits to a dedicated arch_zone_limits_init() function. Later MM core will use this function as an architecture specific callback during nodes and zones initialization and thus there won't be a need to call free_area_init() from every architecture. Signed-off-by: Mike Rapoport (Microsoft) --- arch/x86/mm/init.c | 14 +++++++++----- 1 file changed, 9 insertions(+), 5 deletions(-) diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c index 8bf6ad4b9400..e7ef605a18d6 100644 --- a/arch/x86/mm/init.c +++ b/arch/x86/mm/init.c @@ -997,12 +997,8 @@ void __init free_initrd_mem(unsigned long start, unsigned long end) } #endif -void __init zone_sizes_init(void) +void __init arch_zone_limits_init(unsigned long *max_zone_pfns) { - unsigned long max_zone_pfns[MAX_NR_ZONES]; - - memset(max_zone_pfns, 0, sizeof(max_zone_pfns)); - #ifdef CONFIG_ZONE_DMA max_zone_pfns[ZONE_DMA] = min(MAX_DMA_PFN, max_low_pfn); #endif @@ -1013,7 +1009,15 @@ void __init zone_sizes_init(void) #ifdef CONFIG_HIGHMEM max_zone_pfns[ZONE_HIGHMEM] = max_pfn; #endif +} + +void __init zone_sizes_init(void) +{ + unsigned long max_zone_pfns[MAX_NR_ZONES]; + + memset(max_zone_pfns, 0, sizeof(max_zone_pfns)); + arch_zone_limits_init(max_zone_pfns); free_area_init(max_zone_pfns); } -- 2.51.0