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 BA8D1D2502F for ; Sun, 11 Jan 2026 08:26:14 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 2929C6B00B2; Sun, 11 Jan 2026 03:26:14 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 269546B00B3; Sun, 11 Jan 2026 03:26:14 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 17F766B00B4; Sun, 11 Jan 2026 03:26:14 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0016.hostedemail.com [216.40.44.16]) by kanga.kvack.org (Postfix) with ESMTP id 036E56B00B2 for ; Sun, 11 Jan 2026 03:26:14 -0500 (EST) Received: from smtpin01.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay08.hostedemail.com (Postfix) with ESMTP id CE0961403AF for ; Sun, 11 Jan 2026 08:26:13 +0000 (UTC) X-FDA: 84319000626.01.83F5F06 Received: from sea.source.kernel.org (sea.source.kernel.org [172.234.252.31]) by imf23.hostedemail.com (Postfix) with ESMTP id 1663E140008 for ; Sun, 11 Jan 2026 08:26:11 +0000 (UTC) Authentication-Results: imf23.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b="FCgoY/zC"; spf=pass (imf23.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=1768119972; 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=XCeW4b5bx6EOK5QjFUW3uRjrRx8sG0IrVuSe7S4JU8I=; b=0N427wT7F/jvmlcID8vvDG9tkMw0u5Yx2UOhWpK/QQy04z/spsJbnmF4/gHzJjcMj/5O2M zN+8cx6/8gVuTiTJLr2axI+EYFu4DCU34nu0GkfW5MGfgn2YwuMD3dezMdWfw9u3kzdPI8 3IXzqp8fbGEnDRvWPrwVLEGGivtoDas= ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1768119972; a=rsa-sha256; cv=none; b=a1SdPRMsx60PMQwJzerX92YU5xNgqIhUyGDAqB7b3EmCRfreY3TK59bS2V0zao5pbcYaJo jUZ6mkzP6DJt3pRI2HU74VkAQ+fqzozL5zRScb9F2Ofi2PR7iPDVKCflLGR3CPFUYilinE +tyl/JvvLSQuGG49MEJ1bGOOImhzD/0= ARC-Authentication-Results: i=1; imf23.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b="FCgoY/zC"; spf=pass (imf23.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 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 3B90743473; Sun, 11 Jan 2026 08:26:11 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7B7D0C4CEF7; Sun, 11 Jan 2026 08:25:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1768119971; bh=oB6QCqWGlUcVzO7N8KoxEGaOaNJpg/wuZYHeNsCpdgU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=FCgoY/zClmOALMEzX+QGECEEPV7T3L6P2l9SJuYtZBPLJ0TU7r1JmDmqmaOzlixHM V2rn3TYFVY0bqHoDWhb0Gj662NbUSm1dBp81NYzRwzFZJGLo074/Se+IAyPFQ5leeD PEsGh0XhkssNIwxce06F8DAs2N7MD0DYVETwqgDoFv+EtygOCimB4fbNvfrSxKyFgx S9yGG1o2zhHPeqEfMleqAcgNBmPU9z6tzpBp7Fz2bq5tBLCcH10svoJMb5cEN8OLnE b5siscAudenCVtmXNMhWhsVWfArzA/VV4IitFVVdWbDv49lESg6nfy6O7xkz2LhaAa g0n4y+0e0Pw/A== 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 19/29] sparc: introduce arch_zone_limits_init() Date: Sun, 11 Jan 2026 10:20:53 +0200 Message-ID: <20260111082105.290734-20-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: rspam11 X-Rspamd-Queue-Id: 1663E140008 X-Rspam-User: X-Stat-Signature: rxtuottpodgx1dbbj3i5nfk8gb4zmawq X-HE-Tag: 1768119971-312469 X-HE-Meta: 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 cXat0JOp BrtBsRK66BpwKwmHNfIdSyKawSyisK7Z6wNbhURWlopDwQtaRnPluKmZ4sN9ZaD2OgEgj674K+6EXEUI27RXgaNYSA2b6FNI9uFeehFKQ/jiDXMWkMeRlEyrpMTut4U9MdF6ARvHMA575XJoghB1El3LYDh8cwYiSfOZfzX/+2Ayc/oV4OsA84+dqyZUkcDiInXgeAywsBf+yjidTooPt7TrUvxeQHd9eVXCRiAqjNIxw49iKQYr8UrqRABp7JsB//yjuj0KGsDnv71lCelgcU9hbLehqfiHnK08QSHNzV/gTkKXyBZdPzRawYDJh56uSJSkSTUkmaFH8MhsrW34kAoPJg8UreRmE5u1J 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/sparc/mm/init_64.c | 6 ++++++ arch/sparc/mm/srmmu.c | 12 ++++++++---- 2 files changed, 14 insertions(+), 4 deletions(-) diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c index df9f7c444c39..fbaad449dfc9 100644 --- a/arch/sparc/mm/init_64.c +++ b/arch/sparc/mm/init_64.c @@ -2279,6 +2279,11 @@ static void __init reduce_memory(phys_addr_t limit_ram) memblock_enforce_memory_limit(limit_ram); } +void __init arch_zone_limits_init(unsigned long *max_zone_pfns) +{ + max_zone_pfns[ZONE_NORMAL] = last_valid_pfn; +} + void __init paging_init(void) { unsigned long end_pfn, shift, phys_base; @@ -2461,6 +2466,7 @@ void __init paging_init(void) max_zone_pfns[ZONE_NORMAL] = end_pfn; + arch_zone_limits_init(max_zone_pfns); free_area_init(max_zone_pfns); } diff --git a/arch/sparc/mm/srmmu.c b/arch/sparc/mm/srmmu.c index f8fb4911d360..81e90151db90 100644 --- a/arch/sparc/mm/srmmu.c +++ b/arch/sparc/mm/srmmu.c @@ -884,6 +884,13 @@ static void __init map_kernel(void) void (*poke_srmmu)(void) = NULL; +void __init arch_zone_limits_init(unsigned long *max_zone_pfns) +{ + max_zone_pfns[ZONE_DMA] = max_low_pfn; + max_zone_pfns[ZONE_NORMAL] = max_low_pfn; + max_zone_pfns[ZONE_HIGHMEM] = highend_pfn; +} + void __init srmmu_paging_init(void) { int i; @@ -967,10 +974,7 @@ void __init srmmu_paging_init(void) { unsigned long max_zone_pfn[MAX_NR_ZONES] = { 0 }; - max_zone_pfn[ZONE_DMA] = max_low_pfn; - max_zone_pfn[ZONE_NORMAL] = max_low_pfn; - max_zone_pfn[ZONE_HIGHMEM] = highend_pfn; - + arch_zone_limits_init(max_zone_pfn); free_area_init(max_zone_pfn); } } -- 2.51.0