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 DD52CD25030 for ; Sun, 11 Jan 2026 08:23:27 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 497536B009F; Sun, 11 Jan 2026 03:23:27 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 465336B00A1; Sun, 11 Jan 2026 03:23:27 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 3506B6B00A2; Sun, 11 Jan 2026 03:23:27 -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 23AD66B009F for ; Sun, 11 Jan 2026 03:23:27 -0500 (EST) Received: from smtpin28.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay03.hostedemail.com (Postfix) with ESMTP id E2E65B8A5D for ; Sun, 11 Jan 2026 08:23:26 +0000 (UTC) X-FDA: 84318993612.28.09A2A45 Received: from tor.source.kernel.org (tor.source.kernel.org [172.105.4.254]) by imf16.hostedemail.com (Postfix) with ESMTP id 7E526180004 for ; Sun, 11 Jan 2026 08:23:25 +0000 (UTC) Authentication-Results: imf16.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=aRGBg6QW; dmarc=pass (policy=quarantine) header.from=kernel.org; spf=pass (imf16.hostedemail.com: domain of rppt@kernel.org designates 172.105.4.254 as permitted sender) smtp.mailfrom=rppt@kernel.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1768119805; a=rsa-sha256; cv=none; b=mjNMVpgv8Moy1jiQEqVPNA2EZyjxYx4knrHtY21OgkyqTGAr46d9Wso34EAON0D+N0a9w9 euITM1mnIVx5eZQHwbmbdKfNNrlt7oyCsxMlSY467s087amvQ2SuUMh8jrFyEeU7B0tH9s hC6QloyyVVkmj2vjfQ8cweoIVd+CJbY= ARC-Authentication-Results: i=1; imf16.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=aRGBg6QW; dmarc=pass (policy=quarantine) header.from=kernel.org; spf=pass (imf16.hostedemail.com: domain of rppt@kernel.org designates 172.105.4.254 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=1768119805; 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=HfcqmLQbnSJvVIv+k+pxkWmR5Wm/caGZYknBWk1pJXo=; b=PzgcKcN/zaxvxSWHcd75w3KLwWwoWxZr7EbPtVcRB6Vv/FBF7lTHYY4aEyA2kNwSmM5fYg b5QBY02jmFgs+jDY0Yg2fvmokcv2VMkWzeozXub4P5IRnYSrmxR7NivkUPyKH4Y+GHC7IA Aam8eyLDONZWgYhAeZO/OF0nZcBkOpA= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 1033960122; Sun, 11 Jan 2026 08:23:25 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 229FCC4CEF7; Sun, 11 Jan 2026 08:23:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1768119804; bh=3bBcyNtfu29ffLXJ+V2J2og1TMjw9NsnHxGDp+htXro=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=aRGBg6QWrfdw7symPdIfdeBuEObPt3i9tEb12+OCo6mXZGBjZXCBQcNSrZuUzbZg8 PCO5UhVWdvknheOMi+PNJHEombMZMaFBDSNZ32iPSV1o17p4h1FaEH1C/CiJLr4Uo3 j1ptOQDM+v3irPHu2xEaMAyDNWgRyFeg/GVpJlHgHuj2XNSJ4ocgxp0wWYpHIUlz0V yax5qnU/gPDf3ITT9DtMQulB7ID0HiJYXy98x5uh5/0Ouuae5hHH/gAgW1Ez1ZBkzC 4YGj+Uf0x2zu9bXzfakCQ/NLzF0O+8VrgxXcA88JLftjppFp+8BUbvbua+VSjqZ8u5 x69OyH7O4BEow== 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 08/29] loongarch: introduce arch_zone_limits_init() Date: Sun, 11 Jan 2026 10:20:42 +0200 Message-ID: <20260111082105.290734-9-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: e9s3qaqf53qruyh9cxgrqb111zms6p4o X-Rspamd-Server: rspam09 X-Rspamd-Queue-Id: 7E526180004 X-HE-Tag: 1768119805-120657 X-HE-Meta: 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 EFYEk2Qj VzE3KWrG9jq73mkwJQXMia2vBch4rsvz8ZT6wgvhauBFLmmj1ij+pbubIO+pjzWUppPWDKWMFc2VxIcI= 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/loongarch/mm/init.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/arch/loongarch/mm/init.c b/arch/loongarch/mm/init.c index 0946662afdd6..17235f87eafb 100644 --- a/arch/loongarch/mm/init.c +++ b/arch/loongarch/mm/init.c @@ -60,15 +60,19 @@ int __ref page_is_ram(unsigned long pfn) return memblock_is_memory(addr) && !memblock_is_reserved(addr); } -void __init paging_init(void) +void __init arch_zone_limits_init(unsigned long *max_zone_pfns) { - unsigned long max_zone_pfns[MAX_NR_ZONES]; - #ifdef CONFIG_ZONE_DMA32 max_zone_pfns[ZONE_DMA32] = MAX_DMA32_PFN; #endif max_zone_pfns[ZONE_NORMAL] = max_low_pfn; +} + +void __init paging_init(void) +{ + unsigned long max_zone_pfns[MAX_NR_ZONES]; + arch_zone_limits_init(max_zone_pfns); free_area_init(max_zone_pfns); } -- 2.51.0