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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id ED412FA372C for ; Fri, 2 Jan 2026 07:01:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=qYVousDSpw+811qLPmYYO+fHKcpA4yVaAONn/C+5QeM=; b=eaGMyYC95ICxUpbGEy8NbrMWw3 4d05n5MB22u893MImpjomqoJ9xkEcGcQkslZFt3IwE8HeK59bsTYhZ17IaAi9TWJoXjzJTwUi4l5/ ERODwgXlMgf5HNKTH2qdsGsrrfEXbA34q8Gf5pxSDL5nJRt21UH6td9K4UjYe32a982x5bm6jEdVK MRiVyHXBdgyFeEMLA45zpuY2+HrkLZrZnaqvWoRM7Yk0Wx2y7ueXSxJM3Tv8YKq5vT0+FQAYpw+6T kJMHHIi9Z58Y8pkG5dl8Ot1NhKWvwj1b22NBzDGMtLKNghCeEEDRJszEwPO3Hf0oOmi6S5Vguepd+ USyssnFw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vbZAJ-00000007sZg-2aIH; Fri, 02 Jan 2026 07:01:39 +0000 Received: from tor.source.kernel.org ([2600:3c04:e001:324:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vbZAH-00000007sWx-0wKX; Fri, 02 Jan 2026 07:01:37 +0000 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-BeenThere: linux-um@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-um" Errors-To: linux-um-bounces+linux-um=archiver.kernel.org@lists.infradead.org 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