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 CD6E9D25030 for ; Sun, 11 Jan 2026 08:23:13 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 2A7456B009D; Sun, 11 Jan 2026 03:23:13 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 275416B009F; Sun, 11 Jan 2026 03:23:13 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 16B3D6B00A0; Sun, 11 Jan 2026 03:23:13 -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 04B916B009D for ; Sun, 11 Jan 2026 03:23:13 -0500 (EST) Received: from smtpin18.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay09.hostedemail.com (Postfix) with ESMTP id 3C0D08B7BC for ; Sun, 11 Jan 2026 08:23:12 +0000 (UTC) X-FDA: 84318993024.18.EEDD8AD Received: from tor.source.kernel.org (tor.source.kernel.org [172.105.4.254]) by imf12.hostedemail.com (Postfix) with ESMTP id 9BF6540002 for ; Sun, 11 Jan 2026 08:23:10 +0000 (UTC) Authentication-Results: imf12.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=C7Y72wXM; spf=pass (imf12.hostedemail.com: domain of rppt@kernel.org designates 172.105.4.254 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=1768119790; a=rsa-sha256; cv=none; b=rSPoiGk6d9PnGEGY4HvckfL+UmJ53VkH44joO5O3S50lXm10D1jYrDVSasd9k2aKnz9RuI mxllyfEC+RBMoCok3QhtOcukbUTBHq6HtJbPK5PwukhTFP1dlJvb0jGVcVHXdfOlywELuI ajyfyFhESZB9Teowjll4rR4Nd6H1CpE= ARC-Authentication-Results: i=1; imf12.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=C7Y72wXM; spf=pass (imf12.hostedemail.com: domain of rppt@kernel.org designates 172.105.4.254 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=1768119790; 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=I9r49gF1239seYn0EXw4a+FTKxA1x4OYVZ+hhz2pvoc=; b=QyBPpIvAjA7TWdDQO8wC9r69+aZiFgePcANNTbbOuIuOagWE8TecqONPFg4EuTP/VPCYlX ijRW0zcfTE3tMOgkQ2IBl7mEQWaEMmqVy4rbelu1HxcCLCxO/tzuJvcHZGsfJ2OB7ouqM0 pr8cs5ldydPgEFI1d08Fzr/x6eha9J0= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id E27A660121; Sun, 11 Jan 2026 08:23:09 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 05345C16AAE; Sun, 11 Jan 2026 08:22:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1768119789; bh=eqWldmxLZQ+MuA70zzUt7CpIfBT1PwNgoY4RoneYtY0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=C7Y72wXMIxHy6XkJmztuJdQ7nrb/H8/0yqr2w4/E8QJWA6Rh7TQ+ZTA2XKzQ3ppiQ X/qwP1y/mqTOg6PM+vVJgydtDmryLcrPh0+4sdC39sKAoOqs5zk81ppMMhRkZyoBoG R8KzISUkYPxY9N6ycbarzaLaShlZRJE9S/Kua930Tcb7BlLeq3d9B+2H8aFuuDHi2p JSEOXk2pHvwES0AP3AccrgQTHtv78VrdBJKTJthZCDN/GF9sDqikJWjBhjbAKeJAd8 G6mQ4D9TgsrMjQP9ao2FZLbEMY9cJGp4mDJvhQueucoRZ6oanJGeKA8L1K/1hlAkwv jSDEOdDUId0nQ== 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 07/29] hexagon: introduce arch_zone_limits_init() Date: Sun, 11 Jan 2026 10:20:41 +0200 Message-ID: <20260111082105.290734-8-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: 9BF6540002 X-Stat-Signature: 7w7pg4ynafp9y8cdrz9emr7iin8fpo9t X-Rspam-User: X-HE-Tag: 1768119790-908429 X-HE-Meta: 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 5CZk4RqC K+MjPsNWY7uNRsApntaeJccmvWhK6ArLt+Novtf/MbHSFg6Qn34M+0/6G0kMBR3pFo2W3L6mDqdPeOx/CNHLkoU1D87nwZlrkS4xT/pzeYZt9wvp4VmBptW/xroLAWRBB/RyVukP2TKxZV+IIhe43GrjyV103wbSbTHZ1eVPBsvaM2U/X3FgxGsPDFbBqYqp6dmywS7cdJU1pHhtOuGMQuMdFp6Di8EOyhxqkNBwDC8ZUQZOW1itlm333cs3nlaIVLgsuwS5T3jOTLl9Hh1VafFH9bSsloiF04tUYsaPMRa5pqltYzKnMhv67hZWWxjOFH/672zsmwoaYtQOoS4YlTuCVb/d+cgZnhBsf 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/hexagon/mm/init.c | 23 +++++++++++++---------- 1 file changed, 13 insertions(+), 10 deletions(-) diff --git a/arch/hexagon/mm/init.c b/arch/hexagon/mm/init.c index 34eb9d424b96..e2c9487d8d34 100644 --- a/arch/hexagon/mm/init.c +++ b/arch/hexagon/mm/init.c @@ -54,6 +54,18 @@ void sync_icache_dcache(pte_t pte) __vmcache_idsync(addr, PAGE_SIZE); } +void __init arch_zone_limits_init(unsigned long *max_zone_pfns) +{ + /* + * This is not particularly well documented anywhere, but + * give ZONE_NORMAL all the memory, including the big holes + * left by the kernel+bootmem_map which are already left as reserved + * in the bootmem_map; free_area_init should see those bits and + * adjust accordingly. + */ + max_zone_pfns[ZONE_NORMAL] = max_low_pfn; +} + /* * In order to set up page allocator "nodes", * somebody has to call free_area_init() for UMA. @@ -65,16 +77,7 @@ static void __init paging_init(void) { unsigned long max_zone_pfn[MAX_NR_ZONES] = {0, }; - /* - * This is not particularly well documented anywhere, but - * give ZONE_NORMAL all the memory, including the big holes - * left by the kernel+bootmem_map which are already left as reserved - * in the bootmem_map; free_area_init should see those bits and - * adjust accordingly. - */ - - max_zone_pfn[ZONE_NORMAL] = max_low_pfn; - + arch_zone_limits_init(max_zone_pfn); free_area_init(max_zone_pfn); /* sets up the zonelists and mem_map */ /* -- 2.51.0