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 lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (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 CE3F6EEB57A for ; Fri, 2 Jan 2026 07:04:03 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [127.0.0.1]) by lists.ozlabs.org (Postfix) with ESMTP id 4djF6V3vwmz2yFn; Fri, 02 Jan 2026 18:04:02 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; arc=none smtp.remote-ip=172.234.252.31 ARC-Seal: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1767337442; cv=none; b=klmwyhiubabcEry2t/EHuDQo2/HOu2nk5jdFwp6VFwTlwGP2BoS4JrR47OB9wUpcTtCynaSEbeNN/kNv1iwaXvKxndDiPIgVwxQ+hvwoEEX3VWDeJ9RRM7OlwIaTT1T78Oa5ew1mmV/YNXLkuZA4HaNDl2B2LQSD3L9+3wR2+i6R8dG3tl/8oWU16QLvOBW/HfDYjXRD4dOKFcy+q/k37OYC1cv9TFR8JIMHxemexlsywKkESDSk44iSaB/eezogAh1Y57LRIQJynMcSNsAGx+irhgvvBA5AyJZXP9MSVckylTlRYd5mPaSa57w7Sq6gDFI0XW+sUjFCenRGQBH+Ew== ARC-Message-Signature: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1767337442; c=relaxed/relaxed; bh=ZI4KGl4ZdlhaKQtFg5N51ionZ3BEZaRGa8lZ5haxR1I=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=NQZ6xdB3jJAB8UP1S38sKTA6IvtiSo86HLnB5E3Ver93YdeDHql0yQpCq2EgXIZUYISd402xXSq2HqGM8wp51dqR0/WUSdpnOxPfremB6cRIC4MNB9oyWsWj3uw5QYBV7Kif9bOdf7z03gQo8vA2jvX2gBO0xTG5YmKOnRvP7zPlBvZsQih2mUY+Td7Wp7A1IDKoB9encHIpo+qj7g8QGHQ/gqA0STsKxmz7W1Jn1Kzb8kBdZ9e+hFJqXMwOihCjWmXBvtVJqjpWahENMBTdlHmEoIWkSByYuJ3I0KiTVmHzNUEZH45sHaHB36AWYPe8CCfgWUVPhSt1TMKXRR9qQw== ARC-Authentication-Results: i=1; lists.ozlabs.org; dmarc=pass (p=quarantine dis=none) header.from=kernel.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=sOxNgN6O; dkim-atps=neutral; spf=pass (client-ip=172.234.252.31; helo=sea.source.kernel.org; envelope-from=rppt@kernel.org; receiver=lists.ozlabs.org) smtp.mailfrom=kernel.org Authentication-Results: lists.ozlabs.org; dmarc=pass (p=quarantine dis=none) header.from=kernel.org Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=sOxNgN6O; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=kernel.org (client-ip=172.234.252.31; helo=sea.source.kernel.org; envelope-from=rppt@kernel.org; receiver=lists.ozlabs.org) Received: from sea.source.kernel.org (sea.source.kernel.org [172.234.252.31]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange x25519) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4djF6T5kbYz2yFW for ; Fri, 02 Jan 2026 18:04:01 +1100 (AEDT) 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> X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , List-Unsubscribe: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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