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 DBC6DFA3729 for ; Fri, 2 Jan 2026 07:04:03 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 497FC6B00AB; Fri, 2 Jan 2026 02:04:03 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 442386B00AC; Fri, 2 Jan 2026 02:04:03 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 339C76B00AD; Fri, 2 Jan 2026 02:04:03 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0010.hostedemail.com [216.40.44.10]) by kanga.kvack.org (Postfix) with ESMTP id 227776B00AB for ; Fri, 2 Jan 2026 02:04:03 -0500 (EST) Received: from smtpin16.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay08.hostedemail.com (Postfix) with ESMTP id D85F2140368 for ; Fri, 2 Jan 2026 07:04:02 +0000 (UTC) X-FDA: 84286134324.16.A06E7D0 Received: from sea.source.kernel.org (sea.source.kernel.org [172.234.252.31]) by imf17.hostedemail.com (Postfix) with ESMTP id 28D3040003 for ; Fri, 2 Jan 2026 07:04:00 +0000 (UTC) Authentication-Results: imf17.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=sOxNgN6O; spf=pass (imf17.hostedemail.com: domain of rppt@kernel.org designates 172.234.252.31 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=1767337441; 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=ZI4KGl4ZdlhaKQtFg5N51ionZ3BEZaRGa8lZ5haxR1I=; b=XiuhpAamGg9MSZ8WwOEehCRrFte8HLyyGydg3pMV1g34ObIFc02CT6FSKs/INlnhz8fOQj hRHMei1bVRl0/GK2N4n10dm0dWSejpHWdWqskp88+b2rl/Nld47HzdUdQxX36wMdKZFYA5 E7vdZUnjq2C1f21PWWfl15YZi/VsD2g= ARC-Authentication-Results: i=1; imf17.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=sOxNgN6O; spf=pass (imf17.hostedemail.com: domain of rppt@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=rppt@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1767337441; a=rsa-sha256; cv=none; b=FeTSurI+29GqJZD5lqVkYwBPCW655sWgMv4CmeuzK+KFM5B/xPZG8IHzCmsBH62Coa62ZO F+4xjuVgcJazBQeI8ECeYCRhtrHRRaYJ7AyNH3x5cSEqchEKUOid2zUgRY3rmgCMEbw4fV FvDSbesHbfN4+sLf7ylYansD/svEXSo= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 3B3DC41912; Fri, 2 Jan 2026 07:04:00 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3EB77C116D0; Fri, 2 Jan 2026 07:03:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1767337440; bh=qZJ/kX6852xy97RGj2L4BqvkwDGVySCnfrT6X/8ZHF4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=sOxNgN6OxtsnaYgnDLzUYrAYFYyADUY11Yh+tEH+dcdMl9gt5qcaKLXDyLZdpxPkH ZsoNpPJXB9RxVLR2u3dPQnvAw4HtfdHQNMiYV+Lt2AoNYuX/a5yuatZR7XSwb6LC/M 31CTS3ZnrAOkhmQMEa0ob3gvNpQzz+og2EL2L1n8pn/XpsDAGAxtdMaDR5l7wLa2sR zjP4bAdaKXqEInAeZEAYgq0LKXfmnb4xkodXbn/BQnjvu4jdKyiT5I8depNd4fiBAT M3xCEoxnLREi+xwHjLHBz8KBkVu1CT6/LfBAiGV5C6nzSCefhTXY6MzfJvVsB9dWNq WGBYdl2odF8LQ== 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 15/28] riscv: introduce arch_zone_limits_init() Date: Fri, 2 Jan 2026 08:59:51 +0200 Message-ID: <20260102070005.65328-16-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-Server: rspam02 X-Stat-Signature: 8j6mcoqicm5qkkuc67smrk8ebqdbz8t6 X-Rspam-User: X-Rspamd-Queue-Id: 28D3040003 X-HE-Tag: 1767337440-598535 X-HE-Meta: U2FsdGVkX19dzxTEurJzffhVN/XwSF/hbTysnhflFEWA0FKjRMP0WOCtm/QkSuxNS5f44Q7fa3J9UYZg7xQt4+X0dXv1uu5ulRaXNn/u0FyS7xFnFInAR8ayvV61VtvIZEu5eNGKMy1q3+UcBkqcWCo3QhXI3tnvS7GVFPQG2N+ALMf9UDqWZfg2npvWsdfzxfke0XD24wqgnXHVOaQLhODcwF7G9RaeN2m/a2firLzgCsQwVBnDGITnm47mRxRpOr8KGCtZ3S/tbGw6eDT4nds93ccAJbPwHtnUWpm261v9MNelXeAM/pF3bAAjvFaglXjen+0QhHbSTInbdhOS/fVIC7ZARJ1CcGSQQOniX4w7jsKVm0F5huPsY0E8LSvSt/Z1v5jCpN/EvMuNt7whp+REh00w1zwY9noMzpa2nBfidEuiqibCS8ESeAtXGuZriJht3DVVO/ZcZa8Nw6P9OE7Yax1btM9a07JRBnmdUpMJcXJNW9JDEwzM20udYb22dX5EEL/9CebvYxSZChD9Nkc5PdiGa2k1Ci3hyrMt6mbZZxJcbJgxmRHVem+SyAq0sA9SLSFKaOSba1oayZcEYt+96W7N/Wr46qkfpK0PHv171BXQhxk1BV0Qky0Cd8MoyRcgGhgdyMKeaKHZmdxEK1kXJJZdfovWluI9JZd+e9yehFxOq6SvK6n+bFDscI12CX82MCaVUm928Feh+f9HOOu9YJIQeBd9CX8Yj1WY4s1yARJTRKXJAJ9sQselblvRXMblY1gGGVyWH5fKlK9Zf+rGArbbamoZ21AUTMnTwalsF2QhQ2Lig5sObe37xaMRlz9B7QlhIUSQO6G+wsNzlcuCVxnAEXKVpq6jsyUkUNomxwpXWLusqiw6FdsK3aHWIWQ4MWGIi5FXedgCXJ/QtJum50X7lUsTgOI5XxCdQP+0p3EsbGWkWP9Zv5LluvIvHGEp7CBg3RuYrxJJJsC /VVNAUko zSJHcfUZKL1jR7bpU37VcLeTHbfgyT62tnk0P1RPnlI0+SpBCJlIu2oUs2zeKnetODfvETKximDxYpxqYWI0C0XuyvNXvobbqVM/cz0iPjDsFT2nAhodv9UnOWJxF3Iqc1EudTtoyWZIvxfh4T1bFB8dDk/38ncHvBu4RAHRqbnRywg5KAJI5QoZi96NLoD6EPfBo6Gmn5uEjHJl26zhzuiJMEsxFDR8jfrHy0Hf3nZUQ3Wdk/eLoJGLRx5Eom8puYqLd1g9S5nqKi6yuBgj8BQ0pQQ== 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/riscv/mm/init.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c index addb8a9305be..97e8661fbcff 100644 --- a/arch/riscv/mm/init.c +++ b/arch/riscv/mm/init.c @@ -79,15 +79,19 @@ uintptr_t _dtb_early_pa __initdata; phys_addr_t dma32_phys_limit __initdata; -static void __init zone_sizes_init(void) +void __init arch_zone_limits_init(unsigned long *max_zone_pfns) { - unsigned long max_zone_pfns[MAX_NR_ZONES] = { 0, }; - #ifdef CONFIG_ZONE_DMA32 max_zone_pfns[ZONE_DMA32] = PFN_DOWN(dma32_phys_limit); #endif max_zone_pfns[ZONE_NORMAL] = max_low_pfn; +} + +static void __init zone_sizes_init(void) +{ + unsigned long max_zone_pfns[MAX_NR_ZONES] = { 0, }; + arch_zone_limits_init(max_zone_pfns); free_area_init(max_zone_pfns); } -- 2.51.0