From nobody Mon Feb 9 13:01:14 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 E0AE629B239; Sun, 28 Dec 2025 12:41:33 +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=1766925694; cv=none; b=UbwwF1zIG9LB2h7g8pdcot8yS1hbjU4PKT7wTdSNhpYIJKnm7UoFWbBCx/ITFYi7SqGuETOnD8PWTdrUgbiGJ6DojFQsQYq6MfSX45uPxf7nBtRkPbJz+17GoXvCVOtJvyKmzoyE7LB2c9Vcueq9BW7hlm5o0WFi2iF2wlAv3I8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766925694; c=relaxed/simple; bh=kW7jFO+a0HNCHZzYrQL1gmYZj5c/PO8Gu3w/sSZkgeU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=qrj+vGbBuood7TPA24zl6FVfAM6RQjees9UIG1sCVxN6zR84d1vLD3zuzXuzH6bcthZsfnUm0CaKjQ5+/OUM2uh3NuF3F1ljPDSgtREgXHSXubB5yHF9GcR6bYxeScT0ZVEsIAsL7ov4iJQFtwpkNJK3riVb2WkB9pi8+HVnFUA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=FfgQ/vc3; 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="FfgQ/vc3" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E4327C4CEFB; Sun, 28 Dec 2025 12:41:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1766925693; bh=kW7jFO+a0HNCHZzYrQL1gmYZj5c/PO8Gu3w/sSZkgeU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=FfgQ/vc3RZBoItL5pKlOQ6mJvnoQsAGeqpPpdU7zRYHFQGex7i+QdZtMRI3l5Rllw ZrLFvQk9qtWsq6RxUpeOr8prh4q/CdhYAqVHvRtRwVjHkO43GX/qFXaS1qVYcGb1FD qzL2dObl3ki9QvEKg33KBxrNT/j6nPYcZooual0AXhe3vFD8CcA+OOiUuJx0mf1OxA WVLdUC1rJWxouQK5crZX45MUNiK05jCNTvxIYRAmvOUlz7ERTG0JunqJxBP2amG0TG y7+4AV3PANzMZAHRGKed6SN43VGK8AUvIHNJN3y7KKpPCFNAO3P3vfptV4kyFay/sY pPa+fs43iWi4A== 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 05/28] csky: introduce arch_zone_limits_init() Date: Sun, 28 Dec 2025 14:39:35 +0200 Message-ID: <20251228124001.3624742-6-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) 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 =20 +void __init arch_zone_limits_init(unsigned long *max_zone_pfns) +{ + max_zone_pfns[ZONE_NORMAL] =3D max_low_pfn; +#ifdef CONFIG_HIGHMEM + max_zone_pfns[ZONE_HIGHMEM] =3D max_pfn; +#endif +} + static void __init csky_memblock_init(void) { unsigned long lowmem_size =3D PFN_DOWN(LOWMEM_LIMIT - PHYS_OFFSET_OFFSET); @@ -83,12 +91,9 @@ static void __init csky_memblock_init(void) setup_initrd(); #endif =20 - max_zone_pfn[ZONE_NORMAL] =3D max_low_pfn; - mmu_init(min_low_pfn, max_low_pfn); =20 #ifdef CONFIG_HIGHMEM - max_zone_pfn[ZONE_HIGHMEM] =3D max_pfn; =20 highstart_pfn =3D max_low_pfn; highend_pfn =3D max_pfn; @@ -97,6 +102,7 @@ static void __init csky_memblock_init(void) =20 dma_contiguous_reserve(0); =20 + arch_zone_limits_init(max_zone_pfn); free_area_init(max_zone_pfn); } =20 --=20 2.51.0