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 C4C67D25030 for ; Sun, 11 Jan 2026 08:24:13 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 36A246B00A5; Sun, 11 Jan 2026 03:24:13 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 341BB6B00A7; Sun, 11 Jan 2026 03:24:13 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 2234C6B00A8; Sun, 11 Jan 2026 03:24:13 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0013.hostedemail.com [216.40.44.13]) by kanga.kvack.org (Postfix) with ESMTP id 125B96B00A5 for ; Sun, 11 Jan 2026 03:24:13 -0500 (EST) Received: from smtpin11.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay03.hostedemail.com (Postfix) with ESMTP id A00A7B8A64 for ; Sun, 11 Jan 2026 08:24:12 +0000 (UTC) X-FDA: 84318995544.11.C98407C Received: from tor.source.kernel.org (tor.source.kernel.org [172.105.4.254]) by imf06.hostedemail.com (Postfix) with ESMTP id 0DBF0180002 for ; Sun, 11 Jan 2026 08:24:10 +0000 (UTC) Authentication-Results: imf06.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b="omxz2O/a"; spf=pass (imf06.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=1768119851; 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=t9pBPAmCex859p6JrPopJFcFxfKxR6uVnsR3JS1C8yI=; b=2uVxihdc7k99ihPIDlr+kgAhXGp1psIUoDKUmL2w/V4a3WaFAZLnHocrEHceQ9JanRhnCt KMSLKcXm9Lji5ZMS82ye8WqHCDiJcXO9oxQR6ECSYmiPlAnIk6pUqK8ynJBjMuc5rNbKfY jZqaPTBHRwR0x0nEc2fSGC8tSRxvd4c= ARC-Authentication-Results: i=1; imf06.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b="omxz2O/a"; spf=pass (imf06.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=1768119851; a=rsa-sha256; cv=none; b=lsUNPwLQN7GMxzIogqYcqCS9uxRPUeQ28yV0SGOfSCmd6RwIsT6hyaCGYqWYap16tjtaYG lRXsACznTJnnXHp/3PLKWGl7EIN03FQNVLGjnyKPQ7Urh2Q7LFYW5rwo1NUpyFib3l83ji MnG31Pf9ry2VIHJk2K8oDYwjuboSWys= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 64E9F60121; Sun, 11 Jan 2026 08:24:10 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7BDCEC4CEF7; Sun, 11 Jan 2026 08:23:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1768119850; bh=es+FUCZqCY2a3nIkrdLdpQV/rxxtDtuUgA954vVF+nw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=omxz2O/aNi5ef6cgYnp+37iqiEb04KQOncjs53j7rIMU4VDGgOX2pBVK2nRapJSSP k1CuMOi30eMl+WQajuUXdkhrkdF/m7Tjfpi1B1LrHprBPHjP3Zf1UIt9glL5fkqxUL QQZKUWdSoT9RE+fnq1mBm4qFs6cY5r3sDiVaFaCuBFzDu81I1W78bWXIWVFE2q2L3O YclKYARGBbQMefEdS0nlKYU0XZKLXlE5121MF4WFj42HdvBhME3uC89Nz4eJFFnmrO wu9spXNqayKnIkf8mX9sEG4xfajwEuCKqQPc6BysjXlagd9N7BdqHLEKZvZtn8KDOr Z9iZjeEhDIZ/g== 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 11/29] mips: introduce arch_zone_limits_init() Date: Sun, 11 Jan 2026 10:20:45 +0200 Message-ID: <20260111082105.290734-12-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-Rspam-User: X-Stat-Signature: ssoqxhcay1jsjci3a8h7mzbsq74abnkx X-Rspamd-Queue-Id: 0DBF0180002 X-Rspamd-Server: rspam04 X-HE-Tag: 1768119850-281878 X-HE-Meta: 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 6y+up2EF EwrJ4eTP1Ujrsi9+K6m91LA1I1rJNruDKuYrhraY6eiK3avyns6/jmEN8MYp3aN6LFtUdyAlhWYK8OI9O14AUMWFWd9p/UqkDnwad2bvKtNBe6+JUsWzIrDx+JWyKdsBwgsMe2/q5CUFUzMg/y1HthWWb9QTpRR6eYgIoHhsOJo+zz7JvJeeuICGxRm/AIsziiuXQtGJszPxSO+NRp0xii/sRMiKOirJPUiCVrjRKtW2RyN9aGR0Ed1v9io33ye9p5DFHyUMV81razkQSi4r2mpfDnYlli0GDrTMIQsBDWq0JsSV9B4oormbqPAYReDi9e0LK3lt3V955DCpy4jLXZkNkoB75H7rAaCcD 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/mips/loongson64/numa.c | 9 +++++++-- arch/mips/mm/init.c | 14 +++++++++----- arch/mips/sgi-ip27/ip27-memory.c | 7 ++++++- 3 files changed, 22 insertions(+), 8 deletions(-) diff --git a/arch/mips/loongson64/numa.c b/arch/mips/loongson64/numa.c index 95d5f553ce19..f72a58f87878 100644 --- a/arch/mips/loongson64/numa.c +++ b/arch/mips/loongson64/numa.c @@ -154,13 +154,18 @@ static __init void prom_meminit(void) } } +void __init arch_zone_limits_init(unsigned long *max_zone_pfns) +{ + max_zone_pfns[ZONE_DMA32] = MAX_DMA32_PFN; + max_zone_pfns[ZONE_NORMAL] = max_low_pfn; +} + void __init paging_init(void) { unsigned long zones_size[MAX_NR_ZONES] = {0, }; pagetable_init(); - zones_size[ZONE_DMA32] = MAX_DMA32_PFN; - zones_size[ZONE_NORMAL] = max_low_pfn; + arch_zone_limits_init(zones_size); free_area_init(zones_size); } diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c index a673d3d68254..ab08249cfede 100644 --- a/arch/mips/mm/init.c +++ b/arch/mips/mm/init.c @@ -394,12 +394,8 @@ void maar_init(void) } #ifndef CONFIG_NUMA -void __init paging_init(void) +void __init arch_zone_limits_init(unsigned long *max_zone_pfns) { - unsigned long max_zone_pfns[MAX_NR_ZONES]; - - pagetable_init(); - #ifdef CONFIG_ZONE_DMA max_zone_pfns[ZONE_DMA] = MAX_DMA_PFN; #endif @@ -417,7 +413,15 @@ void __init paging_init(void) max_zone_pfns[ZONE_HIGHMEM] = max_low_pfn; } #endif +} + +void __init paging_init(void) +{ + unsigned long max_zone_pfns[MAX_NR_ZONES]; + + pagetable_init(); + arch_zone_limits_init(max_zone_pfns); free_area_init(max_zone_pfns); } diff --git a/arch/mips/sgi-ip27/ip27-memory.c b/arch/mips/sgi-ip27/ip27-memory.c index 2b3e46e2e607..babeb0e07687 100644 --- a/arch/mips/sgi-ip27/ip27-memory.c +++ b/arch/mips/sgi-ip27/ip27-memory.c @@ -406,11 +406,16 @@ void __init prom_meminit(void) } } +void __init arch_zone_limits_init(unsigned long *max_zone_pfns) +{ + max_zone_pfns[ZONE_NORMAL] = max_low_pfn; +} + void __init paging_init(void) { unsigned long zones_size[MAX_NR_ZONES] = {0, }; pagetable_init(); - zones_size[ZONE_NORMAL] = max_low_pfn; + arch_zone_limits_init(zones_size); free_area_init(zones_size); } -- 2.51.0