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 0BAD2FA3729 for ; Fri, 2 Jan 2026 07:02:52 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 73F616B00A0; Fri, 2 Jan 2026 02:02:51 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 70A0C6B00A3; Fri, 2 Jan 2026 02:02:51 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 603636B00A4; Fri, 2 Jan 2026 02:02:51 -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 4F1826B00A0 for ; Fri, 2 Jan 2026 02:02:51 -0500 (EST) Received: from smtpin07.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay10.hostedemail.com (Postfix) with ESMTP id 27747C1677 for ; Fri, 2 Jan 2026 07:02:51 +0000 (UTC) X-FDA: 84286131342.07.B73D998 Received: from sea.source.kernel.org (sea.source.kernel.org [172.234.252.31]) by imf29.hostedemail.com (Postfix) with ESMTP id 76EAC120009 for ; Fri, 2 Jan 2026 07:02:49 +0000 (UTC) Authentication-Results: imf29.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=dFiMKhjq; dmarc=pass (policy=quarantine) header.from=kernel.org; spf=pass (imf29.hostedemail.com: domain of rppt@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=rppt@kernel.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1767337369; a=rsa-sha256; cv=none; b=rcxeAprwTyU/HON0jtp9UqMmGmesj4ku1PF7oUVzJV6QdQUzxvKbWc8wcpwvvoaXyTOjNR Yc7ATL61VhL39BjHrAILNNQ+koCQdMgsPG7V35lvZFsQnlpZrQMc2LzrGZNwa01CfcfAmS HnFwViYr2MaGIxSsr9/VH8a+spSyHRc= ARC-Authentication-Results: i=1; imf29.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=dFiMKhjq; dmarc=pass (policy=quarantine) header.from=kernel.org; spf=pass (imf29.hostedemail.com: domain of rppt@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=rppt@kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1767337369; 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=JuYj2H8/3w2bkH8Rx5ChTGtdYmA56DzivAxi+Qnw58Nj67l4UndpW9CELLypWC9ybx4CLT pNjdrROHb27LyLzsj124cEkWWGdhHOi47J768aajHYpiC5U8vrMfBq1P7Rn6EAIOC9FLim +nlbC/5ojNzpoB7p96JqLiBSe06ohqQ= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 6D3EE43396; Fri, 2 Jan 2026 07:02:48 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 72BECC116D0; Fri, 2 Jan 2026 07:02:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1767337368; bh=es+FUCZqCY2a3nIkrdLdpQV/rxxtDtuUgA954vVF+nw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=dFiMKhjqyf+PfkCOMts11njbpfGwqQefsvvZvfGAgXrmmyP02aiCpmX8wvtgXmjh2 JGcds5OsjQOsg8MVVqzy4zBA255m75qdXO1si07Ky/r2zB4hmu01u39hsqm0ewanZN LSjxiEoJP0frsXlr6bA5f68JZ0ShXcr0PT6HvGZ0JX23uSXRxwIaNc/T1RSWoD84TE DI6A7tJWLRiX8jI6Ss9SIxVHDO7YvahppzQZFaJQT4eHA/41c1EOHZ979ycVclWE56 dcJdXB2lF+KLdNfaYQTsmd0q+sw9v0hQGXGsrYx/8NwnWCiyzXxykXpWhWDh/oVgy4 FJ6eCa9gtAd0g== 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 10/28] mips: introduce arch_zone_limits_init() Date: Fri, 2 Jan 2026 08:59:46 +0200 Message-ID: <20260102070005.65328-11-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-Queue-Id: 76EAC120009 X-Rspamd-Server: rspam03 X-Stat-Signature: 7iw5jh97sksf1yrmxj41sypn1ng4ekog X-Rspam-User: X-HE-Tag: 1767337369-997958 X-HE-Meta: U2FsdGVkX1+Zn+QIUYZ9X8lPhRgag20Lg589bllvfCHq2uQlz28xBV3Njj1dbj2s1zsbARyjnatOWUpm18M/UNewq6PzrH2w08I6W5QFGNDAiYLBKCXryNaAXqoN4IOV7NYtiwKwRB2JCoG+GyS7mgRwD4AQaC7LKm4Sr1IsA5lG7mqkEcqGiHZnCmQzwyBip/kUd0DW29zjD2i+SODnCwE54nhGSl/hHRC9lwjXpFeP8W+gBbLfuhtIlV8plgWj8SeAiaenIRtaKsc8saZJ6+CFlBkuB66WuuBpIU4UPA+AVfb2Lt11jjYRw/pKh7auBLAsZK9bez0BGWvKUv5oMX+LgLDWR5JePfB5GjJrKogzmk5ME0l/SxkVFBREjpx1myvRaJPNYDEywlSvD7j9+z2kFwipDRznOaoWvdwUh1QaRpCwSqgM0RmPoC9wJB6gJDA5s0mZ43rH7X11woWZOQ8Sm9zkB62/VtPpeFU6/hW7LgsQRHTMVKKOhO1548pfBKgNRBevWyozc5FKMKfzl9AzYEpAK8DmkM1I9UJz9tNNXXcOPLLD5IjouTRuzNtgQ4clWdPegHYLWslJVWXhHhZYJXmSV4/VgNdm6Gylzmb3b014ZJDo5Xga/Tw/twMElx1/rVr47TboDVoI7LKMmj6T/fqNzffs6CH+IMDk0ZGV/CLWf3iHZAvgZV2hqOW/rBegRjM9mpdSbnygpUOuJruyEJZ5H6liTHU7NwTofgLSuQEvoqqX6XykQmv3Hr2nTldKABrDnqhKl47P5MHcx6yODtTIjjFMAPG8aAkJTqfHaYL+tZUovGYvbEuOyUc1kTraUI9N+/7aY6Z/JhsIUKDVu8O1f4H7OGS44FFGFw/irZuknQU9/KvoNkcM3fRYv568e4NW8FMCyEZDyFzclpsE8d7uVr+1QVDBjZrC0C0FzvgFjitQuk7W8qpaUOGauKwhqQgR+Pg/phCI1h9 YID486pf UMBpQvJs5JK+XGERXTZ373dEQlFw5q7TnVazvGbfsYj9WxUmoRIaaklepJXFW4ZrroA1hEv2tX5NL4cpe/gJLdmstvM416MDdJ36rpmN6vvTTaht5qxC2KY0neAEjvdRQb6o7xJU4GDbmZzeY6kWEfPi8pOMVi1pzvHpO5bnAwGmcQ2D/o92pUoxFGR1pXf8ChlPbp7qQTUUFF4whyHipvfdunHlb+6uWxEOXKu7EO+Bk2FFbHEpwkh15KAgqsFPrmDqL2OquCtjXMPeZkzDtYMuO2w== 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