From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 391192E3397; Fri, 2 Jan 2026 07:04:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767337440; cv=none; b=VqQ3DQIC78YF/mP4cQ8iCFyB0zNLWZgFJddkYs2RtQStDVCGoD6ztaie+F26+xU4UIpEbd9cGZp+aKXPU/86EsVWh57guzw2RTBR5xzHhuDzwHUBjHPF90urt6n50QaSgNte17pk8Yodprpb2j5aueS+k+RUXeJ9eiwx2Tdl5EA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767337440; c=relaxed/simple; bh=qZJ/kX6852xy97RGj2L4BqvkwDGVySCnfrT6X/8ZHF4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=dBpkv+xl8aFJB34QnWccIezc4UxCHGwyxzgezfabpvdZ4vsvEHELefe+hGgrKjIgCdc8ZjM/6xH8yzLgU9NHyncm8r1qfnSEw+727I+JlUiZSd4rJYlSmYvgbg6t4Fg/1SbBcI6QSuCiTMDRLnc9JWFG5CKWDqJC1fQKBW8QruI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=sOxNgN6O; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="sOxNgN6O" 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> Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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