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 57A27EEB57A for ; Fri, 2 Jan 2026 07:05:30 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id BCD766B00B5; Fri, 2 Jan 2026 02:05:29 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id B77186B00B7; Fri, 2 Jan 2026 02:05:29 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id A70876B00B8; Fri, 2 Jan 2026 02:05:29 -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 96A206B00B5 for ; Fri, 2 Jan 2026 02:05:29 -0500 (EST) Received: from smtpin02.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay09.hostedemail.com (Postfix) with ESMTP id 5460B8B632 for ; Fri, 2 Jan 2026 07:05:29 +0000 (UTC) X-FDA: 84286137978.02.4950566 Received: from sea.source.kernel.org (sea.source.kernel.org [172.234.252.31]) by imf12.hostedemail.com (Postfix) with ESMTP id 9F18E4000E for ; Fri, 2 Jan 2026 07:05:27 +0000 (UTC) Authentication-Results: imf12.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=aVMy1uEj; spf=pass (imf12.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=1767337527; 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=1chzHxsrADOvWvHnGxP4KUnDWT2YzEh4P+Cw7lJ2EsI=; b=8Kal3HyEnLGbUcZqhXhZkCwHfIxLPzKZLGQ9mLpl7k6hw0ysKzsjRiDfXwDhk24d72ueGF kLWL1k0e5Z13QpxY3s077mFaPu1NosQzgKok+oxOcu5Tb363SzYVAX3IETzEBXgqFkok11 oUfTqtlvh39Vl5E7v8fEZExJT/Qw9S0= ARC-Authentication-Results: i=1; imf12.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=aVMy1uEj; spf=pass (imf12.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=1767337527; a=rsa-sha256; cv=none; b=c+eA6gqWtFUJ8A/LeG/UhopyEVm9XfiYU1vks+hmG5+j0v4o2p7ISh/wBpRJuv6ndpQGph xViQ0+FC/mXoS2lU+rsg8UixlUcbfYSG6b3ZPyZAK5V99dtgEeUAkHWNpBkdqIFjcoVb0/ AnTeqEIML9PtJOV7eoy9hUeu7fxnjJg= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id ADAAB436EC; Fri, 2 Jan 2026 07:05:26 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id A822AC19421; Fri, 2 Jan 2026 07:05:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1767337526; bh=RfrVgNIj9rxp9R6SGMWNq/5X+PJ8wzbzZyqbje0LIeA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=aVMy1uEjz+i8JVR5vvetsdLlgetPkDBi4pcNoZ4vjSKDBc19eAiwfNmFLk+7mga3L CoRj28PGPQFLtYhjpAFGOpcJutt4IEAphYnmmrXUanPJV/sEjuRaYp5ErdlMYFMwBa y7Tx3dNUc/RzrtMBd/C++WHUWIgC4F/tyXDOwS85cAPJvO+XvNSexJlAVbEAIac8yK 7B8AnG2S4pCOhihUnC0FMc3yT8kq9pvWxyPULUe8cP34d112OYpiJ6uofrGOoed7ZQ J3GRwa/R04BfG9D1qMTYLWoomnB7hJ4FZjufi3DB/KiokHvaSbus/icytAHD/NLK2p CLxFTDSXhTUeA== 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 21/28] xtensa: introduce arch_zone_limits_init() Date: Fri, 2 Jan 2026 08:59:57 +0200 Message-ID: <20260102070005.65328-22-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: gcz7fcugzgwkydyjqa95isxcpeny6dih X-Rspam-User: X-Rspamd-Queue-Id: 9F18E4000E X-HE-Tag: 1767337527-684292 X-HE-Meta: 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 BThrw53b SqhooTmyuNd4HmkSNWfZnZnTXUkXhgdHZsi7AEg4JsFNAyUyIht27g/sQjPo2ptvXbfho0I0vxlod7pssAyCVVu96WTMR3dBaQmrmMnpPlHMrMDifb8UW7Qnd9s1s9nWihERwxZ+SWXBUj9GW54zogpcS05VJHfgi7OFPfx7IFOVbczka0A2sgdYSrmteHg/ru7MY2iLhmAcD1ihXU/iR64PLWrFb/LpHSF47yKPElnTLmODo3+Y7uvq7APjUW4ujbFrtkK5JQcPGZdXQ+WVcva+Gzz1iamesI26v 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/xtensa/mm/init.c | 16 ++++++++++------ 1 file changed, 10 insertions(+), 6 deletions(-) diff --git a/arch/xtensa/mm/init.c b/arch/xtensa/mm/init.c index cc52733a0649..60299f359a3c 100644 --- a/arch/xtensa/mm/init.c +++ b/arch/xtensa/mm/init.c @@ -116,15 +116,19 @@ static void __init print_vm_layout(void) (unsigned long)(__bss_stop - __bss_start) >> 10); } -void __init zones_init(void) +void __init arch_zone_limits_init(unsigned long *max_zone_pfns) { - /* All pages are DMA-able, so we put them all in the DMA zone. */ - unsigned long max_zone_pfn[MAX_NR_ZONES] = { - [ZONE_NORMAL] = max_low_pfn, + max_zone_pfns[ZONE_NORMAL] = max_low_pfn; #ifdef CONFIG_HIGHMEM - [ZONE_HIGHMEM] = max_pfn, + max_zone_pfns[ZONE_HIGHMEM] = max_pfn; #endif - }; +} + +void __init zones_init(void) +{ + unsigned long max_zone_pfn[MAX_NR_ZONES] = { 0, }; + + arch_zone_limits_init(max_zone_pfn); free_area_init(max_zone_pfn); print_vm_layout(); } -- 2.51.0