From nobody Sun Feb 8 08:22:17 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 D87923176EB; Sun, 11 Jan 2026 08:22:54 +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=1768119774; cv=none; b=iwK7T4PPEp/ydWBCho78px81fksm4wzT3Eh0R+SADLmSQ3b2LS/g3cjfTcBl8EgOq7HblDsh2SglI0ZuAdL0BVzR166lhdgsoxGoeoF0lnDfmqyXbIciQwavQZc6u6UqzUSDlG5HH92vPkzPtHyptEhK13CxJ2oe439Z+hbWuJI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768119774; c=relaxed/simple; bh=beem9LtRR1HHqRgL6PattJCY9S8i8ATD31bTRr88sn8=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=YP8A0Wtueu04KB2QpGuCx0DeMql+mwb7FZW6u2GvvapfiWPouns3u6c/iVc/OcZIw4sPI81NE5wsY8425kiuuIMWUYfeHpld5XhMqjuBiBipDnXTwSBPnRnkiPtVwjT1gnKUP8skSmzJ4oo3WVQjJnqOv1acBmpkron0iq1cUDw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=lWkYgxC6; 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="lWkYgxC6" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D94FBC4CEF7; Sun, 11 Jan 2026 08:22:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1768119774; bh=beem9LtRR1HHqRgL6PattJCY9S8i8ATD31bTRr88sn8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=lWkYgxC6u+l0vrWaonlzQlH5gQLB1FcuycynoPybUPeo4dvv7xXva14K52XEy7LMX 8fRn6/84WfNTIrDoAmNlHQTW/sq2Pp0UvtLIoxegKGm5e5j8XBH8kTWEyosbpzPu1q GoRhJ+7+SZo6hD8Y3ZBI3LqbG2tt3rcBtbKpr2ZF2pWHt5tS0xJP8cvo6mcyroAa1S 0OeHyObWAKeISSESoLTXFOmsvQ3g1bLJpnbo/n+CQ28Ki4o90ppc7XGkpZP80EOCDf Ve35dstEOEfIY1ywzAqMno+GXmIRLZeaDmLNIieGH2xbLUHJ4iNHvRWZ34zWnwrMFy N9SXP8FFel3AQ== 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 , Klara Modin , "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 , Ritesh Harjani , 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 v3 06/29] csky: introduce arch_zone_limits_init() Date: Sun, 11 Jan 2026 10:20:40 +0200 Message-ID: <20260111082105.290734-7-rppt@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260111082105.290734-1-rppt@kernel.org> References: <20260111082105.290734-1-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