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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 4F34FD2502F for ; Sun, 11 Jan 2026 08:27:00 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id B1F166B00B7; Sun, 11 Jan 2026 03:26:59 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id AE9C86B00BA; Sun, 11 Jan 2026 03:26:59 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 9ED906B00BB; Sun, 11 Jan 2026 03:26:59 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0010.hostedemail.com [216.40.44.10]) by kanga.kvack.org (Postfix) with ESMTP id 8D40D6B00B7 for ; Sun, 11 Jan 2026 03:26:59 -0500 (EST) Received: from smtpin19.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay02.hostedemail.com (Postfix) with ESMTP id 29D2513A3EB for ; Sun, 11 Jan 2026 08:26:59 +0000 (UTC) X-FDA: 84319002558.19.3DE0B73 Received: from sea.source.kernel.org (sea.source.kernel.org [172.234.252.31]) by imf27.hostedemail.com (Postfix) with ESMTP id 718A740002 for ; Sun, 11 Jan 2026 08:26:57 +0000 (UTC) Authentication-Results: imf27.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=tHSEbt3X; spf=pass (imf27.hostedemail.com: domain of rppt@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=rppt@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1768120017; a=rsa-sha256; cv=none; b=sSctS+bD6ys5aij0XYhR0G87F8MN5slbVBn90JP4GDmU7W77caXc0x0xgCXFJQGvm6nveg 3XbhxYiyZqcEdXschUD9S47zRbmKNtDETD1iF19ZIxLfAYhtK707s5oFOfXm9WVhaPc6yy d4GZ1CtuSMWJHhnHjPGqufAQRBBvsac= ARC-Authentication-Results: i=1; imf27.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=tHSEbt3X; spf=pass (imf27.hostedemail.com: domain of rppt@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=rppt@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1768120017; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=1chzHxsrADOvWvHnGxP4KUnDWT2YzEh4P+Cw7lJ2EsI=; b=uqOk9IBnq9v5p4feJdjUq044/Emk0OAmE+2oK9q+GdXD6dV0RpyfQahy0mTbytai7IX/Kh cmZhyVEQg8+SfUOlKMWpupQCISviQaKdVbSWVK9vbG0ZDL4GIffUfh/tkwLKxBDU2SwaC2 wPqk4+ghLsN2E0dWh8dkHjTr7Hm8Ntw= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 9725643354; Sun, 11 Jan 2026 08:26:56 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D7397C4CEF7; Sun, 11 Jan 2026 08:26:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1768120016; bh=RfrVgNIj9rxp9R6SGMWNq/5X+PJ8wzbzZyqbje0LIeA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=tHSEbt3XxwesdgJT2Z++WyePhEbkb+nyGlySy70wfQIT+pflbmIM+GlvXBDyguftQ 2Ys50/4b35j+sjd/5kOOfnQe9IRS62imFv43uLXTkPi7zlQWDQJhP0rM0GConiSwLT YAJe8G4i0PUEqA9Vhb1A/zxzlCac1EGJ3SkmyzE2q3wvxKzgQrYsEr/jdyruVb22A0 3FaETYR9/LhyCiHKAf2u2gJBT5CTbGbIpUbNnnC3z+VpljRwtitYbbzQu5H2ZQySmf k5iK+NQSGRChTUOxlwP8dr8FwmdRY2QLpmlxVejSsecyS6O0WhjimFYRzzvIKoB0dz r7d4tanYl4nFQ== 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 22/29] xtensa: introduce arch_zone_limits_init() Date: Sun, 11 Jan 2026 10:20:56 +0200 Message-ID: <20260111082105.290734-23-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> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam03 X-Rspamd-Queue-Id: 718A740002 X-Stat-Signature: dkm13u9us6owychfdx5xi5jiznynrxmn X-Rspam-User: X-HE-Tag: 1768120017-983652 X-HE-Meta: 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 aCtQHGqt 3WEQdhxhDMuDulOEElFGw9zwsXRst5WyXzvSPn/jMb1IrjqJu0F5+M3sMgEU7IN05uuTd+lRQS8Q18ZHNIiYJs/6nwqsvqfbdWYvIRUF4Jru2pGcUatQQJNw/7DlMkKLGXOEnJ/y04kzekTOslKjI1eqRlz4ysGPM0Pdu9fkz7gYQpksGDkqVtWtc/+0GHOjw+PM6CJQTAAqiQ7YxNozu9P9mV1cY0yMmNA7S+kdJvoRWxMNGWdoqwJIN6ycPtaEi5QagiJD9XX2YdAYe/CixsfRm+2Qvt948nQkgsmk/FAJNwGbabB0rYiH3kidOa3GladYN25Rhk/yAylAfxmfgQGXyjACfLH7FMYZ8 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: 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/xtensa/mm/init.c | 16 ++++++++++------ 1 file changed, 10 insertions(+), 6 deletions(-) diff --git a/arch/xtensa/mm/init.c b/arch/xtensa/mm/init.c index cc52733a0649..60299f359a3c 100644 --- a/arch/xtensa/mm/init.c +++ b/arch/xtensa/mm/init.c @@ -116,15 +116,19 @@ static void __init print_vm_layout(void) (unsigned long)(__bss_stop - __bss_start) >> 10); } -void __init zones_init(void) +void __init arch_zone_limits_init(unsigned long *max_zone_pfns) { - /* All pages are DMA-able, so we put them all in the DMA zone. */ - unsigned long max_zone_pfn[MAX_NR_ZONES] = { - [ZONE_NORMAL] = max_low_pfn, + max_zone_pfns[ZONE_NORMAL] = max_low_pfn; #ifdef CONFIG_HIGHMEM - [ZONE_HIGHMEM] = max_pfn, + max_zone_pfns[ZONE_HIGHMEM] = max_pfn; #endif - }; +} + +void __init zones_init(void) +{ + unsigned long max_zone_pfn[MAX_NR_ZONES] = { 0, }; + + arch_zone_limits_init(max_zone_pfn); free_area_init(max_zone_pfn); print_vm_layout(); } -- 2.51.0