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 EE2F6E92724 for ; Sun, 28 Dec 2025 12:41:08 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 586716B008C; Sun, 28 Dec 2025 07:41:08 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 550DC6B0092; Sun, 28 Dec 2025 07:41:08 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 446BE6B0093; Sun, 28 Dec 2025 07:41:08 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0017.hostedemail.com [216.40.44.17]) by kanga.kvack.org (Postfix) with ESMTP id 345DC6B008C for ; Sun, 28 Dec 2025 07:41:08 -0500 (EST) Received: from smtpin10.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay02.hostedemail.com (Postfix) with ESMTP id AFF2713BC50 for ; Sun, 28 Dec 2025 12:41:07 +0000 (UTC) X-FDA: 84268839774.10.411B4FD Received: from tor.source.kernel.org (tor.source.kernel.org [172.105.4.254]) by imf03.hostedemail.com (Postfix) with ESMTP id 2FC8620005 for ; Sun, 28 Dec 2025 12:41:06 +0000 (UTC) Authentication-Results: imf03.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=c3xxAC9y; spf=pass (imf03.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=1766925666; 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=flnKuSUSHs+B+DrX57t8sxrFUlif7aAx+uqFnyM+bIHRxZ0HD4i5yOlArYVw4y5fBxGfAW y10Gm5g7OOBcBq/+mGtootdyhhqw2AkdoB3jqN34mx8g3SBoZGN/8gdxmDAp+VzdWeVG7J eOaT9KIL0h4jfgKxZmwJ2oDh3eetkv8= ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1766925666; a=rsa-sha256; cv=none; b=cgXGw7EEPsZ1LTh3Qea6kNwfFxRiSVCiAOdH8qBxxLy6hGHEJXVEEcbEXWTDxzB1HipM0y P1p6Kmx9yPTZUK623jez857kXeiGQzpdW/ra/ROWGqSmh6jolT7Ljr/fZt3ninZuk3X54r XHcPe5lFszl0bZJ3T9pEvd2Ic51/quk= ARC-Authentication-Results: i=1; imf03.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=c3xxAC9y; spf=pass (imf03.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 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id AE5F9600AA; Sun, 28 Dec 2025 12:41:05 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D3ADCC113D0; Sun, 28 Dec 2025 12:40:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1766925665; bh=sY65/RaZssilanqAkKMZORd+RGdNjje1eX8P0rlpw6A=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=c3xxAC9yYJldcaI9CW5HdZFsKaIhXOs3RKw+R5Lo//mlmsZgZlShsXbbbEVSQd7YA bMehhr0xf8GWVrAGCiCKPypO+pRDio1AnUEQIebWoWBbOHlFaUGIVJZfzRNubW0uHx MeYBFDVT7e/YjcVN+I8OX+Ps4M9e6vCnrQY26l/j9WUBZhfqmFeb2LTZI/UGM24NMH plWqe0SpmBn4PszXdoUfV9Ad/mF90eeHiKRn+EgiV6/5ZmOZksbvcGLQDSaTQCnmCp aywnwsI1i+Tw5CR6pIwl01InAR68MIZBnjpmwsb5YzVjpJd2Sq1IvvHEwhtZZhU20q aD+aUhIyRHBdQ== 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 03/28] arm: introduce arch_zone_limits_init() Date: Sun, 28 Dec 2025 14:39:33 +0200 Message-ID: <20251228124001.3624742-4-rppt@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20251228124001.3624742-1-rppt@kernel.org> References: <20251228124001.3624742-1-rppt@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Stat-Signature: 8afmmjd8yb7y6mpje3obn6w3t8y8ubts X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: 2FC8620005 X-Rspam-User: X-HE-Tag: 1766925666-779890 X-HE-Meta: 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 63ufeUnv bthpXu+wXjuNAH7dGWBYfMDBjh0GpvRQWFE91nTdSAkn1tWgECPfqXHUxBgy9fT0qn2kB76SV66108HjpiBiJgYFXrZR1hpOnfKBHYJIRZ8e+13bdqLEhbPzyYEDSMcd4xFksYEzk3VCTLZgn1VIEND9paLcdaQE3pxUwBn4ShMyuEtzIxRC2uZi98n7xI5RuxSxm2vKAlDND4qOw9NhthcNBXgg8YROB6zCy5z/0H/e1m52KccVPJisxlu1590vrM84M1uUIBCa2n7KGbpgsg4CJbQ== 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