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 EF1D1E9410B for ; Fri, 2 Jan 2026 07:02:08 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 521446B009B; Fri, 2 Jan 2026 02:02:08 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 4EC3D6B009E; Fri, 2 Jan 2026 02:02:08 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 3E47B6B009F; Fri, 2 Jan 2026 02:02:08 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0017.hostedemail.com [216.40.44.17]) by kanga.kvack.org (Postfix) with ESMTP id 2B4616B009B for ; Fri, 2 Jan 2026 02:02:08 -0500 (EST) Received: from smtpin20.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay10.hostedemail.com (Postfix) with ESMTP id E0ABDC192F for ; Fri, 2 Jan 2026 07:02:07 +0000 (UTC) X-FDA: 84286129494.20.F7867DF Received: from sea.source.kernel.org (sea.source.kernel.org [172.234.252.31]) by imf15.hostedemail.com (Postfix) with ESMTP id 3CDA9A0003 for ; Fri, 2 Jan 2026 07:02:06 +0000 (UTC) Authentication-Results: imf15.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=I50MNQ79; spf=pass (imf15.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=1767337326; a=rsa-sha256; cv=none; b=Je8DEjXkKFwukJGq589wlpybaBAvbKNDGGYeHJjADKeuZ2vfk1VuYbn2XoXDiLRbLjXABg 852C7S+SSxJ0gQ4Yq8AUJf5pHhocXbRLFXVmj0w8tLHlK5Fl71Yf+eVHKOMdHC21X4MWFC xLyef7nVCLxzyhF2pFHxq9HEuLxPYuQ= ARC-Authentication-Results: i=1; imf15.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=I50MNQ79; spf=pass (imf15.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=1767337326; 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=HfcqmLQbnSJvVIv+k+pxkWmR5Wm/caGZYknBWk1pJXo=; b=QHkHkK59E3MoTvJKdu0lHX5fibMxC1epnRYp37j6aHIVy/cPg5Yg6d88YnuOITZeujynAh OyL36TeTJcIsrFpJGF5wZ7z8NBFzrEupnAAM7A9Mexj0FX/MpgPcpZmpyjswY/mEEDw86Q CiLk+cYuyQdqRYisba/k/B/LR7xfckM= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 5974D404CB; Fri, 2 Jan 2026 07:02:05 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 192F8C116D0; Fri, 2 Jan 2026 07:01:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1767337325; bh=3bBcyNtfu29ffLXJ+V2J2og1TMjw9NsnHxGDp+htXro=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=I50MNQ790Zq95b8S0yQ0CXud0hBoT6XVttorK01jD4dcGhZcOfyErKBL9h+EZnFDK JHpZbgNFfrGqSCJsvV0SuvqTBSorWby5FN0AQbHPlcZFbXZg8iRp4E6Op8x8VrlW3g 9NAxGlLvXsqDB9F2a65PIkUijJJKGfTVkxyw2aMxSTILIXs/q9wM+VKBXV3SjlSswf pQqujD2MT/xKyGZT/PmnUKYz5qbhZkyAKaa3W7rRWzAn7mVMvUA3plpREVkon38b5U e2uX7Gr1v3oz4QsDuUSPNQrfRFHFJmPdNoVSlmks4iPatW/a/34a2AYSRwM9QtV+LJ dAmwK3MJ/gIkQ== 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 07/28] loongarch: introduce arch_zone_limits_init() Date: Fri, 2 Jan 2026 08:59:43 +0200 Message-ID: <20260102070005.65328-8-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> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspam-User: X-Rspamd-Queue-Id: 3CDA9A0003 X-Rspamd-Server: rspam04 X-Stat-Signature: sr9uo5xd3ohsjkc4zkorgauihyehrjng X-HE-Tag: 1767337326-249953 X-HE-Meta: U2FsdGVkX1+OaJPbQoQ8NVPzQzjnexP5pTcYc58X/jdgjNBl8ztNWI5hJrGTbuii3DZdPA/HeXN5SJQotZuOst2A92XFqDtJOZv+Kfyx9UCw7Jf1kyq/dI1c5D/rlBB4Iil6GNMn+hKqi5DYEG2/NwHDXHt3ZqgfxxqOWKPQILda81+mAHwl06bDtaHJhdANMYfWZVCzrfc/ieqh7KNB+qqw5kmVsqJ634bIMCJxsaJ9mHdRJBhtUom3rjNR0Rt9cqo+n8nZt/gIsuq3DZHpzc3VqsPbyL8ZRVPj4PAid1esAGM6mOd1W59977dPP2LA7/MHS1yF03GLOf7CVj738sL13lWfvrG42nsljedd35/GiCXAKHDGLh1n7MR6O5P1KU6/qLdXZEem4LHN5Ll+x6wurE9i3WpcVNc7peR7oD9CUAQFbQ4S1tUEYNT0BashgaNMLuqqL9YOynFCe/9BtJEJkEc9At1/D4K6ArknhrbVlJDlX6TmjSS1KuGclCHjx9THfCPIqpSuxbBWe9qBgGBs5qDTH+U8VcMAVU4uPJmL3wmbTtLhNowAvyCJHd96j7p4yXQOEJHREq4Pgc4nX9sXmCj93OsHP9s0ic3DBauzLA8p6xhP0GeZKCbFhLH5o8cPbh5bjqcFxux4O+ZxzjcoUwUBKIy4DaYRo4sN+MVMpPrtf8J9RNOfvwLKDJDDBdu7mfJMDGApc8NI+WcVYjO7kNbvWJgXGCoLZTh3bmN+/A5Snu9QW87H/jRvbhLIwW0pQdQ5q1SQp2exz7Yxh+Xvma/pd3zIEeEU2mOhJzvTeP04XC66KS0vMJM3nVwk/bhnhd372K90Q5q8hcysO3pzDanNI/sNGHIW/MQExv5xQppo5DgqcpRvHnB54pg6E7Yf0afNmUDIxLSDNiH73G+mqx7anMDetwzZ+h2a4cpDlFVvq46NHFiGgBIkDiofP0F28pDNPm9PRNGpXzN hlTkZ7sR Lett5crMDvso3ZIJgF1HdUTtA1g6NvGrscV1Onz6jMaguZ5PFPjwQUT0vpfXkEc2Zs5Etc2mMvfY9cuhIqFDZVmdbsLqsnemvT60jiwnlvkkkHbdNMSLAr877uDtKoudHPwjNskFbRUkGDDo6Z5Y3bgQ4SPW3B3l9fpAmZmJVxy+hqBQrbPmAX2p1IXCFF/oZzm0dIuEnhrMB1mKMhHwORIi+192tHVjxdPd6gc0SngeXlIYZ6hqMO3qnkqbVs4j06JOV7yF0baX+j9KgYcYv9DXhRR3WQvh7yXDf 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/loongarch/mm/init.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/arch/loongarch/mm/init.c b/arch/loongarch/mm/init.c index 0946662afdd6..17235f87eafb 100644 --- a/arch/loongarch/mm/init.c +++ b/arch/loongarch/mm/init.c @@ -60,15 +60,19 @@ int __ref page_is_ram(unsigned long pfn) return memblock_is_memory(addr) && !memblock_is_reserved(addr); } -void __init paging_init(void) +void __init arch_zone_limits_init(unsigned long *max_zone_pfns) { - unsigned long max_zone_pfns[MAX_NR_ZONES]; - #ifdef CONFIG_ZONE_DMA32 max_zone_pfns[ZONE_DMA32] = MAX_DMA32_PFN; #endif max_zone_pfns[ZONE_NORMAL] = max_low_pfn; +} + +void __init paging_init(void) +{ + unsigned long max_zone_pfns[MAX_NR_ZONES]; + arch_zone_limits_init(max_zone_pfns); free_area_init(max_zone_pfns); } -- 2.51.0