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 7CE07D25030 for ; Sun, 11 Jan 2026 08:22:58 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id E0B5A6B009B; Sun, 11 Jan 2026 03:22:57 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id DD9826B009D; Sun, 11 Jan 2026 03:22:57 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id CE2136B009E; Sun, 11 Jan 2026 03:22:57 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0016.hostedemail.com [216.40.44.16]) by kanga.kvack.org (Postfix) with ESMTP id BBEC76B009B for ; Sun, 11 Jan 2026 03:22:57 -0500 (EST) Received: from smtpin03.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay04.hostedemail.com (Postfix) with ESMTP id 629DE1A03C6 for ; Sun, 11 Jan 2026 08:22:57 +0000 (UTC) X-FDA: 84318992394.03.FE0774D Received: from sea.source.kernel.org (sea.source.kernel.org [172.234.252.31]) by imf17.hostedemail.com (Postfix) with ESMTP id A7B334000E for ; Sun, 11 Jan 2026 08:22:55 +0000 (UTC) Authentication-Results: imf17.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=lWkYgxC6; 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=1768119775; 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=y/Fd5z98ZvI6OLIrXtnimKRS6BoCwZuY4+sKcVpAQDBgqUe64CumpRHWpUw90GD5v+TViN 92ncS3aFMWQ3uKYe0LWOd4xqJmXQHj1PM5hh7i3be4MC4n3p+8juffu17cWaoRrfcVcHvf vNf5QMtC17jcjxlKNW+Er7AEa4eknL8= ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1768119775; a=rsa-sha256; cv=none; b=JP32NbI/qaJeICh9AScwamakLNZ4ELfyfDqEd4KJE062tK0HyXad1iGkgpq21+nEMw26xi qZ/1B9fX9Xkx8ti3fMEbSZhE698eBLaBwGi34WinWtdG27BMIv60dHfk3nSku5Di5i/cqI tUvALc8qxwXztzEFAIBtRFZFkArcDoY= ARC-Authentication-Results: i=1; imf17.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=lWkYgxC6; 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 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 9C3CE403EA; Sun, 11 Jan 2026 08:22:54 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D94FBC4CEF7; Sun, 11 Jan 2026 08:22:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1768119774; bh=beem9LtRR1HHqRgL6PattJCY9S8i8ATD31bTRr88sn8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=lWkYgxC6u+l0vrWaonlzQlH5gQLB1FcuycynoPybUPeo4dvv7xXva14K52XEy7LMX 8fRn6/84WfNTIrDoAmNlHQTW/sq2Pp0UvtLIoxegKGm5e5j8XBH8kTWEyosbpzPu1q GoRhJ+7+SZo6hD8Y3ZBI3LqbG2tt3rcBtbKpr2ZF2pWHt5tS0xJP8cvo6mcyroAa1S 0OeHyObWAKeISSESoLTXFOmsvQ3g1bLJpnbo/n+CQ28Ki4o90ppc7XGkpZP80EOCDf Ve35dstEOEfIY1ywzAqMno+GXmIRLZeaDmLNIieGH2xbLUHJ4iNHvRWZ34zWnwrMFy N9SXP8FFel3AQ== 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 06/29] csky: introduce arch_zone_limits_init() Date: Sun, 11 Jan 2026 10:20:40 +0200 Message-ID: <20260111082105.290734-7-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: rspam11 X-Rspamd-Queue-Id: A7B334000E X-Rspam-User: X-Stat-Signature: axm84xf5ora16pigcusofeqatoc9uxya X-HE-Tag: 1768119775-528518 X-HE-Meta: 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 w80v7Sb/ d1Og87nSXAudTRNJLpnBduRweitQpOEGPVss5BARyWV98egJ8b68jEK6IgDSOlmc/5wE8tAhDOziEbHUjbr8tqDcW6rOiX1NYDP2BfKTd+jBOY4tvNxWm2erX82BDwlIUJxCond7SNkAyK6ZhV6JZwkbqe8lYkk/fcKqypohxVm7SCrkpZViyLRksLaiVBv8bED/fIqM5uqQ5VXYt2x5dkbAh4wEqc2V/CC/pFV4x6nS91B5BKVoGXX8H8xN4VxJAtR8Ws3SdaaVSS0a2rHgkIYa2maFYU6nWYRTt/6JleUoS/U+OvemRXifpTDlvanr3SYEwew6BDxnpO0lW/nFY9hIAxS5gu5/uhzz5 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