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 A9572FA372C for ; Fri, 2 Jan 2026 07:05:47 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [127.0.0.1]) by lists.ozlabs.org (Postfix) with ESMTP id 4djF8S3yfFz2yw7; Fri, 02 Jan 2026 18:05:44 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; arc=none smtp.remote-ip=172.234.252.31 ARC-Seal: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1767337544; cv=none; b=j8JMAyYBjxV2oTQfn3jG1yO60OPJbH3WV7a0BCT0nAzyrUWehkVROPK5+ksplcPl45ucf2BlpMmhR304OglCuwg0Va0/wFf+V655O496IReBfLuxBZr7sbhjvqirwFmdS6qhN3n2rnIMRTbNABDL/pGIWpxq1gLkJE3r6e84/oNOp5jmu2m0r4en7/d9JEMu/tVestC4w0k+H94F9Pbjj+Jh3lw+QbZ5jvRMLvcWf81o3viSiRbehwwqZnG2vyJ/x+ycnPxuZrr8rrhdsxogb/oLUgparilwAnxtXR6eb85vqBehKkD4HgSkWngcFoJ27Ek2THTdCAL0MU0TvSD1VQ== ARC-Message-Signature: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1767337544; c=relaxed/relaxed; bh=azukzfgsXgu/EZDimou0ymklRTxVzT+QThHCfbcQvB4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=CAqBbdK6MGW/ODidSpdoEwzGTZexHKKuYaeUnYE/wWyWuuJm6oTAwZjF2doUENAuwt/qXDx/GhPdhJObsnNen8JK5HC99Jx1pYeC+AYZQAiqCd0pLJ+hDtUS08VUMQ54h8aP8Aqcqe9jZrcwi2P+i0OaZP4tIPes0N7vbl7fIssBAt8yHCfXZEcC7JrfY10RJissFV7f1YHHoRRYTB5n0yEu869WTTIaqZSBpzgjcjaauGQEmff4AHKB9kksYuo8BBf8UNOnz53un9tntTD58xlaRzK+Estefnb79LBIBFcHMMHMFzOg3UaOuJQKzCQlj35OgKpgfLYHcKADS7dsrA== 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=X4nEWJ/0; dkim-atps=neutral; spf=pass (client-ip=172.234.252.31; helo=sea.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=X4nEWJ/0; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=kernel.org (client-ip=172.234.252.31; helo=sea.source.kernel.org; envelope-from=rppt@kernel.org; receiver=lists.ozlabs.org) Received: from sea.source.kernel.org (sea.source.kernel.org [172.234.252.31]) (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 4djF8R6cQTz2yGq for ; Fri, 02 Jan 2026 18:05:43 +1100 (AEDT) Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 4B0B541912; Fri, 2 Jan 2026 07:05:12 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2C5C2C116B1; Fri, 2 Jan 2026 07:04:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1767337512; bh=4MJzw8wq/vYacVlPos8SheQzjEj4nCDptI3YxDfhXAU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=X4nEWJ/0L+n3VAFD31SZ9u/rL4Rw0XhJxVYC7R+OXsmo1R+f6/lf31rINifRbzeb+ E7q+YbYslJsdX+mgT/DJOnTzdA8r1GLCYhATQ/6o7s0IJ73Te45CcPz4wjEFvvM/n3 ThGwO2GIstpYmbDXYc1dqebuTUIdt2HiOryT/ZvS5M8ujm1ShtTfK4zRsWEwkJ/FNF 8m/LHQ3fd5LrjZY8b6caOj2ahTu9OG/0IsdS9Q3L4EJW65MYUSuOxby2ogAIsiG7aF EFowjrwFr63a8VLMXiTaiTSYHWDOX7bOW4u2qYH3Zafy+sjM5mjfd7Q7v9egCc3YOp jgbCi3HZCBEVw== 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 20/28] x86: introduce arch_zone_limits_init() Date: Fri, 2 Jan 2026 08:59:56 +0200 Message-ID: <20260102070005.65328-21-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> 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/x86/mm/init.c | 14 +++++++++----- 1 file changed, 9 insertions(+), 5 deletions(-) diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c index 8bf6ad4b9400..e7ef605a18d6 100644 --- a/arch/x86/mm/init.c +++ b/arch/x86/mm/init.c @@ -997,12 +997,8 @@ void __init free_initrd_mem(unsigned long start, unsigned long end) } #endif -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]; - - memset(max_zone_pfns, 0, sizeof(max_zone_pfns)); - #ifdef CONFIG_ZONE_DMA max_zone_pfns[ZONE_DMA] = min(MAX_DMA_PFN, max_low_pfn); #endif @@ -1013,7 +1009,15 @@ void __init zone_sizes_init(void) #ifdef CONFIG_HIGHMEM max_zone_pfns[ZONE_HIGHMEM] = max_pfn; #endif +} + +void __init zone_sizes_init(void) +{ + unsigned long max_zone_pfns[MAX_NR_ZONES]; + + memset(max_zone_pfns, 0, sizeof(max_zone_pfns)); + arch_zone_limits_init(max_zone_pfns); free_area_init(max_zone_pfns); } -- 2.51.0