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 C9CBCE784BE for ; Sun, 28 Dec 2025 12:41:44 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [127.0.0.1]) by lists.ozlabs.org (Postfix) with ESMTP id 4dfJrL3H7lz2xJT; Sun, 28 Dec 2025 23:41:38 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; arc=none smtp.remote-ip=172.105.4.254 ARC-Seal: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1766925698; cv=none; b=bpCzJip8Bjkq7LOMh5DxjB37qAbRnS4rD4nneX4U025uXzyx+Vd9jsEe0SIRkbGkb89+hob1MDtM4DeAfY0xut81XzHTet2TDYGNFRsZBYMFbTwmCDMCQ4HlN1ImrQWX0k30Jfa1zXFqk5z3IlzFzEfu1m8uWRF/frhmhTboBI05UkPiRCI2dxtnhU/fynswRSv7VHe6fwNXIO7YZQUOkOBgZbTw4x3w2h/2Y8v3xnvSsCjl4/3sqE4u81PMfgn2PzGCnKD7oc5YGbND52cdoaQcG4aHddIITjJJexsFKMzGERKI6g7LxgGRxXqVopN562JmCTiN51xvaiduaMiJFg== ARC-Message-Signature: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1766925698; c=relaxed/relaxed; bh=b4qD+cVO4njaR2WMTsE5cyiXB7W0CbhxQFlHvnJsSI4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=GClE7KAElRIwjbqwcdzxh6gyGIV9v1E8wpPCJpfu7IQbLPCh1Msna309N41SHDwceCuqtPaGohfFXtg2+bYnIFVWbd66abwwv6QIFyeDrAcrYiLErZcyxJWF5cKhGvQ74D8vz5njHju301VANXsp8RQEeXOhoLXTCGqMtdXDpiDvHIr2n9IjbR6DQ8TRKqoq0yx19qQsem2PgejyDu+RFDP/NDoctG1q+J/uYSaGAmICjNdK3BaPhDzKWNHVraEul9nhby+Jh8wyD6sw0fv0Yika/Vkcz4PLMVJq9H3SO30L5c1mG0L/EBxyzi3rokhZdIIDqAkWMk3frG2726CLNg== 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=c3xxAC9y; dkim-atps=neutral; spf=pass (client-ip=172.105.4.254; helo=tor.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=c3xxAC9y; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=kernel.org (client-ip=172.105.4.254; helo=tor.source.kernel.org; envelope-from=rppt@kernel.org; receiver=lists.ozlabs.org) Received: from tor.source.kernel.org (tor.source.kernel.org [172.105.4.254]) (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 4dfJrK5PZSz2yRl for ; Sun, 28 Dec 2025 23:41:37 +1100 (AEDT) Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id AE5F9600AA; Sun, 28 Dec 2025 12:41:05 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D3ADCC113D0; Sun, 28 Dec 2025 12:40:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1766925665; bh=sY65/RaZssilanqAkKMZORd+RGdNjje1eX8P0rlpw6A=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=c3xxAC9yYJldcaI9CW5HdZFsKaIhXOs3RKw+R5Lo//mlmsZgZlShsXbbbEVSQd7YA bMehhr0xf8GWVrAGCiCKPypO+pRDio1AnUEQIebWoWBbOHlFaUGIVJZfzRNubW0uHx MeYBFDVT7e/YjcVN+I8OX+Ps4M9e6vCnrQY26l/j9WUBZhfqmFeb2LTZI/UGM24NMH plWqe0SpmBn4PszXdoUfV9Ad/mF90eeHiKRn+EgiV6/5ZmOZksbvcGLQDSaTQCnmCp aywnwsI1i+Tw5CR6pIwl01InAR68MIZBnjpmwsb5YzVjpJd2Sq1IvvHEwhtZZhU20q aD+aUhIyRHBdQ== 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 03/28] arm: introduce arch_zone_limits_init() Date: Sun, 28 Dec 2025 14:39:33 +0200 Message-ID: <20251228124001.3624742-4-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> 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/arm/mm/init.c | 19 ++++++++++++------- 1 file changed, 12 insertions(+), 7 deletions(-) diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c index 54bdca025c9f..bdcc3639681f 100644 --- a/arch/arm/mm/init.c +++ b/arch/arm/mm/init.c @@ -107,18 +107,23 @@ void __init setup_dma_zone(const struct machine_desc *mdesc) #endif } -static void __init zone_sizes_init(unsigned long min, unsigned long max_low, - unsigned long max_high) +void __init arch_zone_limits_init(unsigned long *max_zone_pfn) { - unsigned long max_zone_pfn[MAX_NR_ZONES] = { 0 }; - #ifdef CONFIG_ZONE_DMA - max_zone_pfn[ZONE_DMA] = min(arm_dma_pfn_limit, max_low); + max_zone_pfn[ZONE_DMA] = min(arm_dma_pfn_limit, max_low_pfn); #endif - max_zone_pfn[ZONE_NORMAL] = max_low; + max_zone_pfn[ZONE_NORMAL] = max_low_pfn; #ifdef CONFIG_HIGHMEM - max_zone_pfn[ZONE_HIGHMEM] = max_high; + max_zone_pfn[ZONE_HIGHMEM] = max_pfn; #endif +} + +static void __init zone_sizes_init(unsigned long min, unsigned long max_low, + unsigned long max_high) +{ + unsigned long max_zone_pfn[MAX_NR_ZONES] = { 0 }; + + arch_zone_limits_init(max_zone_pfn); free_area_init(max_zone_pfn); } -- 2.51.0