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 98DE3D25030 for ; Sun, 11 Jan 2026 08:22:12 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 0C9976B008C; Sun, 11 Jan 2026 03:22:12 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 097AC6B0092; Sun, 11 Jan 2026 03:22:12 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id EB8136B0093; Sun, 11 Jan 2026 03:22:11 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0015.hostedemail.com [216.40.44.15]) by kanga.kvack.org (Postfix) with ESMTP id DBF386B008C for ; Sun, 11 Jan 2026 03:22:11 -0500 (EST) Received: from smtpin06.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay10.hostedemail.com (Postfix) with ESMTP id 8C4DBC1B40 for ; Sun, 11 Jan 2026 08:22:11 +0000 (UTC) X-FDA: 84318990462.06.C588120 Received: from tor.source.kernel.org (tor.source.kernel.org [172.105.4.254]) by imf19.hostedemail.com (Postfix) with ESMTP id 0A5561A0008 for ; Sun, 11 Jan 2026 08:22:09 +0000 (UTC) Authentication-Results: imf19.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=NN3lChfw; dmarc=pass (policy=quarantine) header.from=kernel.org; spf=pass (imf19.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=1768119730; a=rsa-sha256; cv=none; b=4sicaeBpTna5CgBR/Q5FZBnA7duPwXlhNndIEzWvhcOT8tlqt/7SpAkst1FmpKxqqEMrpE he4CR+ZmDgPlzldLJ0MNeDUQkbOjHbJX7J/8MWxCVecsDMWq3AZc1dH3mr9i6Y8MC20htL b/kkjFsLrdhTy0ayQ6dOQpm+QwrNBkM= ARC-Authentication-Results: i=1; imf19.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=NN3lChfw; dmarc=pass (policy=quarantine) header.from=kernel.org; spf=pass (imf19.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=1768119730; 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=vRH9qomYuFaM4u6znp2A+UOaPM3vMBkdSQ46l+deCw9DuV3E0VRvDNA7maAFBD4RcH5mzi LRxiBdW5n3da6oaHwQDBaz/3ULNIdeHwnq89F0vm5E9KBS4MVKSjqm9w5QQuCeBjuQPZEB OK7Oizspk53YPBiGYVgvNynUUEcBSP4= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 66FD260122; Sun, 11 Jan 2026 08:22:09 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7A040C19423; Sun, 11 Jan 2026 08:21:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1768119729; bh=sY65/RaZssilanqAkKMZORd+RGdNjje1eX8P0rlpw6A=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=NN3lChfwg5P6LBJKzoLfcvbBwFyTjkbv176l7MWDDNEKfmQNsV9FdXu1iTB1p18r+ Qv6MGq+z4lJwgINv6l/GKUiPw4NesyjwjpepHwiPwzlDjiMWa+i1USjl07fz2MRYop Sc1LrWnu0Gc+BgNj4gzJRCHsWYSYmNHqJ3aaEPjVk5qnsYr4znc/0zqFTfi59zJAq/ ukCr7ZSzjxeYp7Kp6yUQVQxDk+q26sRhrXb+8OmAOZtQsY83a4N26iQ4g710XJtgiL iBzYFgAYbnZnLVEHpBAgxrkx8ozQkpwEdocd+bhVIEyIcdzpSjZYT6uJOIy5GXGxNb 0PvoDd12p4x0g== 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 03/29] arm: introduce arch_zone_limits_init() Date: Sun, 11 Jan 2026 10:20:37 +0200 Message-ID: <20260111082105.290734-4-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-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: 0A5561A0008 X-Stat-Signature: son4t8cq89obxzzykt38tr3ppw1oyty7 X-Rspam-User: X-HE-Tag: 1768119729-787062 X-HE-Meta: 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 jNQfGoiX rMFKi85P2iTFmVbYq4Y8NYm4lDY9B6EQHmPV83/8iFYYQ0ay0JSbjAAtJZlZWzj+POpzL2r2TMSMS2bOrGZEp0f9Goco/L599Szq0nMp5sYMimNKzhGuz+Nt7wRBLPCgDJ6UFGKWPfae3ZlzriucndAiNy1h8YLlRRPzJHPsij/ttZ6RKQBa0Rkm7UYtoJZXtxn1ZSCrx0pMcUL8v7g2U+1cpB5F6t6Z1msH+xWwvmWiCzJJUrfYPxniMQvHKT+itKJCzqgANNlfVGDu27pjIdopEdt1da93MHJhRRDYfiAfdnmePlOWb5lCZX1/HXuDQ6VTyyBqVRlzSZ7v4TrmPIZWL8mzl/3YYItU3 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