From nobody Sun Feb 8 21:46:50 2026 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 3EF0E2DC77E; Sun, 28 Dec 2025 12:43:53 +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=1766925834; cv=none; b=flJC+9HeK/gkGrytzyMLp1y2AmptWGm0q5V5RHlcmKeogpgYUcWgli2tSfk3L+kAMFGAZzEakc++qm4w2WOPkBmBpcXx3hwpuk9UjHDx7+s3GqE8IeIgjxJdnjrw41Em62Ega3WOCIOEznzOb1Dg58YKOpPpiDL5mi7vHN7mmrQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766925834; c=relaxed/simple; bh=qZJ/kX6852xy97RGj2L4BqvkwDGVySCnfrT6X/8ZHF4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=rz4VIF/8G+UXua6QYOP7Q2L4jacqD1TxucjJoInZpxDAKn7pkgV55cCUm8QvEbVV5Rbn8Lvi7TGdhq/tAjlFk7wO6eUyqfYwbdNJn1WoUmP9apgJL4m2xFdTs3pTMeuYvrv4Qis/6CT6iDjNJZXaZ/+FwhaTDQcvIANU01s5jTg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=NjUK2c0O; 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="NjUK2c0O" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 553ABC19422; Sun, 28 Dec 2025 12:43:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1766925833; bh=qZJ/kX6852xy97RGj2L4BqvkwDGVySCnfrT6X/8ZHF4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=NjUK2c0Oth1aT9uy7WepSBxSdJkWVOkQe4cZgbJUt/3Vk5FeDofSSUXs7RotBz8Wk WaTLvkRkluqf+y66UnI3oXL0FYu5VrSIsM+5fw8Rh64uDjtJFSbNejXFgJ6oSQCGPW 36hVyhULsbiadYoo654yaVyVkF6aC6QQ9oBJHZmVa8nvtJ7apKVXoF0gtpyVjTlGuN yeEVpKigJk3cL1BDA6uS/GqiAC0lDSxisdpRXWOAeIL5/ItWE17ThTMuTUsUM/ix2B pELYbkvzsLbIWDEv5oLDAJ5KGl0MrdQxizR8poPHvYrGWXRWccyiPRtl+ihH2OH6lR 3bjsE+qiqTuCw== 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 15/28] riscv: introduce arch_zone_limits_init() Date: Sun, 28 Dec 2025 14:39:45 +0200 Message-ID: <20251228124001.3624742-16-rppt@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20251228124001.3624742-1-rppt@kernel.org> References: <20251228124001.3624742-1-rppt@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" 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; =20 phys_addr_t dma32_phys_limit __initdata; =20 -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] =3D { 0, }; - #ifdef CONFIG_ZONE_DMA32 max_zone_pfns[ZONE_DMA32] =3D PFN_DOWN(dma32_phys_limit); #endif max_zone_pfns[ZONE_NORMAL] =3D max_low_pfn; +} + +static void __init zone_sizes_init(void) +{ + unsigned long max_zone_pfns[MAX_NR_ZONES] =3D { 0, }; =20 + arch_zone_limits_init(max_zone_pfns); free_area_init(max_zone_pfns); } =20 --=20 2.51.0