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 7F9AAE9410B for ; Fri, 2 Jan 2026 07:01:11 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id E83B86B0089; Fri, 2 Jan 2026 02:01:10 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id E4EC56B008C; Fri, 2 Jan 2026 02:01:10 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id D31106B0092; Fri, 2 Jan 2026 02:01:10 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0016.hostedemail.com [216.40.44.16]) by kanga.kvack.org (Postfix) with ESMTP id BE5716B0089 for ; Fri, 2 Jan 2026 02:01:10 -0500 (EST) Received: from smtpin02.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay06.hostedemail.com (Postfix) with ESMTP id 5422E1A864E for ; Fri, 2 Jan 2026 07:01:10 +0000 (UTC) X-FDA: 84286127100.02.D3C6B12 Received: from sea.source.kernel.org (sea.source.kernel.org [172.234.252.31]) by imf19.hostedemail.com (Postfix) with ESMTP id A2F581A0008 for ; Fri, 2 Jan 2026 07:01:08 +0000 (UTC) Authentication-Results: imf19.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=FFZ7SBqL; spf=pass (imf19.hostedemail.com: domain of rppt@kernel.org designates 172.234.252.31 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=1767337268; 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=b4qD+cVO4njaR2WMTsE5cyiXB7W0CbhxQFlHvnJsSI4=; b=5BtD+jh5+OOiMY8HCUFyD3TfPOkozoPxTqZ3MRsrm2WxVW0OR7aCDoy6/ffpFmP6M9k37b nHOanUcoVObusQQNrlxazggM+UUIs2eo+ZW6GqaynojRa8nmyJTy/jTOs4IZBdTCZnCBDv pmqJHd/gulLolu5KVFl+jCzfTxAVbjw= ARC-Authentication-Results: i=1; imf19.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=FFZ7SBqL; spf=pass (imf19.hostedemail.com: domain of rppt@kernel.org designates 172.234.252.31 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=1767337268; a=rsa-sha256; cv=none; b=yabd7zxHWmE8ZhPdmHM4nZgRVWt+tReGNdm3TIEEolD3sN4qFQ/+XhQbvgUhLzALP7hLkF k1Pfc5WZDL4PvdVBQfQM48xkco6GD7Wfsi8C8xOgr2vFxCLN8bsLDKI1dOQ1D1Nq3hGVqv LfbWgu5qDVgoOvP2lqhUc/Y3ufkUUB8= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id A6604417BC; Fri, 2 Jan 2026 07:01:07 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id ABEB7C116D0; Fri, 2 Jan 2026 07:00:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1767337267; bh=sY65/RaZssilanqAkKMZORd+RGdNjje1eX8P0rlpw6A=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=FFZ7SBqLRszGA55Y0dcTAeVUAFfhPI1J/Zu+nhszyk401f32Bb6bWLRKqrB+W2AKm N38QT5+aUkSxN75WEW+blTrdKEOqeUiAH0BX1iOcat59Cv/SoweGwGsDzNvWrsSMlc 3QSzDoZKQleHv/14oFELN4CDb8KsNap/u7uUJ7UeoPHZ3CgPa49XZbUQPGXWMVadAQ iGDYvbAw7yh54e+JFc4Kkqc0pB207lzVasPVl3cUpS+igbsvBxYsRn7xuxZTZdnkDI isfveZxYymcuq0kzbQxRSK8ezAytSigXlJWJalxOdK1KDDwocwk/lYGd7pPWjjMlNX rJZb3YeomLfgQ== 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 , "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 , 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 v2 03/28] arm: introduce arch_zone_limits_init() Date: Fri, 2 Jan 2026 08:59:39 +0200 Message-ID: <20260102070005.65328-4-rppt@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260102070005.65328-1-rppt@kernel.org> References: <20260102070005.65328-1-rppt@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam02 X-Stat-Signature: fq7pihe7rsyus4uoyshsmbr9sxy7ikrk X-Rspam-User: X-Rspamd-Queue-Id: A2F581A0008 X-HE-Tag: 1767337268-469394 X-HE-Meta: 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 IyQBDbwP 5wuabp/ahTSoU/Va9QmOD+NYCKCh9P4tmdfjSpB7zoJnkxEsXj2ZD+vOZW6G9X/80Uv+GlRjnR/KftwVLm58/frLJQ6twBN/lPK4HINEPy4eaqQit1H2n+ixFbPnmgbjpfb3pOJ3hKdf2lvDYUypCMpayhxao3QE2/ZjvIjuI7Aq0WGefTXB0M+FQE/6wL5ZgMPNlBgTYdoP8KNOyUP37qGG1YFfojuq3rrIRyVki1jjwWG7ulreN7Q8QMS5H/j2Q3JMJW6C+fdhL4N0zFl0X5Y8mDA== 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/arm/mm/init.c | 19 ++++++++++++------- 1 file changed, 12 insertions(+), 7 deletions(-) diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c index 54bdca025c9f..bdcc3639681f 100644 --- a/arch/arm/mm/init.c +++ b/arch/arm/mm/init.c @@ -107,18 +107,23 @@ void __init setup_dma_zone(const struct machine_desc *mdesc) #endif } -static void __init zone_sizes_init(unsigned long min, unsigned long max_low, - unsigned long max_high) +void __init arch_zone_limits_init(unsigned long *max_zone_pfn) { - unsigned long max_zone_pfn[MAX_NR_ZONES] = { 0 }; - #ifdef CONFIG_ZONE_DMA - max_zone_pfn[ZONE_DMA] = min(arm_dma_pfn_limit, max_low); + max_zone_pfn[ZONE_DMA] = min(arm_dma_pfn_limit, max_low_pfn); #endif - max_zone_pfn[ZONE_NORMAL] = max_low; + max_zone_pfn[ZONE_NORMAL] = max_low_pfn; #ifdef CONFIG_HIGHMEM - max_zone_pfn[ZONE_HIGHMEM] = max_high; + max_zone_pfn[ZONE_HIGHMEM] = max_pfn; #endif +} + +static void __init zone_sizes_init(unsigned long min, unsigned long max_low, + unsigned long max_high) +{ + unsigned long max_zone_pfn[MAX_NR_ZONES] = { 0 }; + + arch_zone_limits_init(max_zone_pfn); free_area_init(max_zone_pfn); } -- 2.51.0