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 A35A3FA372B for ; Fri, 2 Jan 2026 07:01:39 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 14FBC6B0093; Fri, 2 Jan 2026 02:01:39 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 0EFE36B0095; Fri, 2 Jan 2026 02:01:39 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id F3E6E6B0096; Fri, 2 Jan 2026 02:01:38 -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 E2FAC6B0093 for ; Fri, 2 Jan 2026 02:01:38 -0500 (EST) Received: from smtpin28.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay02.hostedemail.com (Postfix) with ESMTP id A943813A2A8 for ; Fri, 2 Jan 2026 07:01:38 +0000 (UTC) X-FDA: 84286128276.28.A4E9B65 Received: from tor.source.kernel.org (tor.source.kernel.org [172.105.4.254]) by imf03.hostedemail.com (Postfix) with ESMTP id 27AB920002 for ; Fri, 2 Jan 2026 07:01:37 +0000 (UTC) Authentication-Results: imf03.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b="jKMirO/V"; dmarc=pass (policy=quarantine) header.from=kernel.org; spf=pass (imf03.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=1767337297; a=rsa-sha256; cv=none; b=xxvPJB6qRX5jviZHHaCBa+hZvHpMiaizokxgknnjsYrt5tV5Kh97RQSI8rZ45JhixnPwkx lbfguzLEBlBpserzaI2avXf8rey9FOU0nkRykwKeFIr4ZCbCwknsreh/K8ND15arB35BlU V6rdgwVaNQjolUVJMGGHyF+jM44etP0= ARC-Authentication-Results: i=1; imf03.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b="jKMirO/V"; dmarc=pass (policy=quarantine) header.from=kernel.org; spf=pass (imf03.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=1767337297; 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=qYVousDSpw+811qLPmYYO+fHKcpA4yVaAONn/C+5QeM=; b=lY5uL4AwxKqJQ58UbXqv1G+f+gw9HkyLJIyQwn4cT4ePWyVJlSBjICQWD4hgwnaNsH8dOA 9u9aX5j8ekJhTXbxovwMb7fmJ6wZ75nUbuqeLscvzreaGfe6VKR8T8L5oibfzK3A6ezXnx 4NiQ7iTcMxR0lH7iYuhMIMQ0JTIAdWU= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 85BB160017; Fri, 2 Jan 2026 07:01:36 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 626DBC19421; Fri, 2 Jan 2026 07:01:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1767337296; bh=beem9LtRR1HHqRgL6PattJCY9S8i8ATD31bTRr88sn8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=jKMirO/VuTg7k/DrwUhdWDqifrgFVKcZxjR3ngObsepKAUunHyot4zCyt4dbuSd/r e8hg+giPXhpyeaesjjegSYPKpxLKNutC6OgDnsUOcv9WekXd+NB/AKiimQ9/mqBlv8 KlScv9DH/Nq3I8tdNl74MxiqcD3aAM6FCfxhT4H7mKg7ixaPZ+3fILSKwLRmLkM5hx kysdZHAQiUMqmxsOZVYFQkemEYLKJWnM1VBLRTbuj7W90M9DavJ9z5GCk3Ez3M75pA nX597Xg69ltfgiS52uEQG5kNsR9io22pRfGDTHSAzWoLyLsgooMbRZSv3J+2WVEAAS pKICEEyQYsm7Q== 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 05/28] csky: introduce arch_zone_limits_init() Date: Fri, 2 Jan 2026 08:59:41 +0200 Message-ID: <20260102070005.65328-6-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-Rspam-User: X-Rspamd-Queue-Id: 27AB920002 X-Rspamd-Server: rspam10 X-Stat-Signature: s318dm9yj5wmryjfiz9i3uubt646otzo X-HE-Tag: 1767337297-974360 X-HE-Meta: U2FsdGVkX19sYqzlqhSUq1HpwI0lg4D46gBnR/bcsLyQx0koiVLyX2YI8GBzmhbL/muw7hgEaMRvoZY+A+PU/qokRRa6IsNlrfa8MiRC8GRDBVClsJaK3gz8mEK2I0wpFQE9Knm6HJAZxOYKATll/hReeFBIc4XxIYQX6tIA5rt4GcdTQ/FxpT6s2SKoQVFMsLDWudoTMtX2M1KgA/LX/lT2NmCNgje+gz7XLoXccpnHGpJQCUeCn7Zz2o+xysWfmPl6/Ah/Ltj5gF4nYxbsqZwYV/ZaemSOn7U+nzos4wffwPFX7uif/T8V3uVYsWhtERpxXcATcLzVVKVQ/mkEM9+L75CcvR4hHi4A4JboH07YXoIf2cUOHgLR1Nt0Wo68ukA9wp7NOXzkBDEdYab0ZSpAFvzFyuGu96XnOzO4KgSoNQC8fa/tXvJKcbDtmHoDarexzXFo1DU6kDc06DY8+ILCZzx1TWMreip8Y928VSK4p6rnTpfYsg8x/Z3sWBWkBqtEjBxkPQIvToUunRK6LaiQAN8hFRpihUtVRhOg+7qOoI8rHKxxo6NitzkNNV6Pml6y/MQVzhiQEZ/3U4dmj3X03RhDVWxn/Q6Mzf5XgiX1onrD6h+/7HCVcvx4blYcJCJKGSAsBEYc/0mLeRSz1/MriZfMALEdo1BeZFyJvGjDLGwV1T/wSsIufJ6VUnYl+63pW3knrZqtgdm+rREkaicT55VmC5hAvUoMgL0IFaByDjikq2N5mKgUhHGo8JU4FA2PwmdGAZerRyn6iMQ/Uf+u+z7ER9x2H/+zW9Im4t0SbSScHMUaKL0BqTQ7Rwd/TWriWpb1rl6IXxwQLLSxGrqk2e4eYfBP9cHkIijBy6kiGtFn8kCXxAQULwORSOhKCCMMf/rRFVJMBhPKCNPLMmi/DqkV6NfjmPap8gNEPCDQ2+5eA0IhA9G3+4A50H9DMy3GuA1ad/XHwTzIlzK VLt/TrzY 3zEt3b6kOgr/Sr1WcCbmAm87ndgxoYYdMK6hOpUFYvJ84SERjaK4Pm3H0Wjdp2rIjP/G5JS4yv12NsT7JM0rf/uTGNjPmUl+80ZjcfQ7p92BmsXu2HXp8g6OO1DdD6QgnyUELYa4AOxCCgDLSBT+GF93mFSNesT6gZWGIa8CbQPTaC6/bN2Ous3cU2seYIFp51/9Zsvw/pSuUFiJcHF2kOX9XkAhHsjnMG4sn5mOQYKFT9cJR3T8GvZsKYbLudLgKf0WM1klD4ZZXeGzY4ep+DT0cNQ== 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) Acked-by: Guo Ren --- arch/csky/kernel/setup.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) diff --git a/arch/csky/kernel/setup.c b/arch/csky/kernel/setup.c index e0d6ca86ea8c..8968815d93e6 100644 --- a/arch/csky/kernel/setup.c +++ b/arch/csky/kernel/setup.c @@ -51,6 +51,14 @@ static void __init setup_initrd(void) } #endif +void __init arch_zone_limits_init(unsigned long *max_zone_pfns) +{ + max_zone_pfns[ZONE_NORMAL] = max_low_pfn; +#ifdef CONFIG_HIGHMEM + max_zone_pfns[ZONE_HIGHMEM] = max_pfn; +#endif +} + static void __init csky_memblock_init(void) { unsigned long lowmem_size = PFN_DOWN(LOWMEM_LIMIT - PHYS_OFFSET_OFFSET); @@ -83,12 +91,9 @@ static void __init csky_memblock_init(void) setup_initrd(); #endif - max_zone_pfn[ZONE_NORMAL] = max_low_pfn; - mmu_init(min_low_pfn, max_low_pfn); #ifdef CONFIG_HIGHMEM - max_zone_pfn[ZONE_HIGHMEM] = max_pfn; highstart_pfn = max_low_pfn; highend_pfn = max_pfn; @@ -97,6 +102,7 @@ static void __init csky_memblock_init(void) dma_contiguous_reserve(0); + arch_zone_limits_init(max_zone_pfn); free_area_init(max_zone_pfn); } -- 2.51.0