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 02CE4EEB57A for ; Fri, 2 Jan 2026 07:01:54 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 662DC6B0099; Fri, 2 Jan 2026 02:01:53 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 620746B009B; Fri, 2 Jan 2026 02:01:53 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 530826B009D; Fri, 2 Jan 2026 02:01:53 -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 432566B0099 for ; Fri, 2 Jan 2026 02:01:53 -0500 (EST) Received: from smtpin23.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay01.hostedemail.com (Postfix) with ESMTP id 172281B110 for ; Fri, 2 Jan 2026 07:01:53 +0000 (UTC) X-FDA: 84286128906.23.053DF14 Received: from tor.source.kernel.org (tor.source.kernel.org [172.105.4.254]) by imf13.hostedemail.com (Postfix) with ESMTP id 7DFDE20003 for ; Fri, 2 Jan 2026 07:01:51 +0000 (UTC) Authentication-Results: imf13.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b="BpS/vYy/"; spf=pass (imf13.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=1767337311; a=rsa-sha256; cv=none; b=XfAF4SqhjhXJbQ10MucbCOx78SUQxChbypRGPMd57VEeNxau812gZa8QIlLJPA+udjSlDd 0IigOjthtgYPqnoq1jG6QLdZl2aG4qciqjNhn/1S453dBgRtXvkSyZXIVvPGHccSNDZpsI sNTQ7G/NUm0wYAknXpZksrnVTX32XDA= ARC-Authentication-Results: i=1; imf13.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b="BpS/vYy/"; spf=pass (imf13.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=1767337311; 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=Rrn9sEv9NCmRBvzjztStkIXCG3DIcod+fKQF1BQ3Bgoar/BuK4J1t8wi3srnt5L/08GRmg BWjIbrUsFW3GQ8AsKinq9JXu5K7UwTjwFaic/XV2Mh5u3iH9Oij6/H/o1lEU3t1PmXu+fi MJeH51TyVtGo4oaYslov9FHPemyx+ZY= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id DC71360017; Fri, 2 Jan 2026 07:01:50 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B87CDC116B1; Fri, 2 Jan 2026 07:01:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1767337310; bh=eqWldmxLZQ+MuA70zzUt7CpIfBT1PwNgoY4RoneYtY0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=BpS/vYy/9nyGIKafFE9V+r4HIaDTnoFUO6BTxQPGX0+fK6kCr7xShS1cvyBf0N0yT CerQRZQXT7MbCqIrnCsgOrgv2Ia55RleKWDmaMs2irjPc6GjTnGGw+wLnXomD+vLNI KSkl/U2dJXx7h9eXgJ0JskjtaWXluWjpg/x0JjdxvJeKsUnPXMXMkszXrGJ82oXAX3 YZWN0c2pAwx8Alfig8i8HbWRbmXbfiG8GoDVdegQc0Cg6X09COblKfsTjZPB14TFdd QC/bQ1qfR0BgMcXAOfnQocx9hjiqjc4+pk0Vmnp+5k7ZzBLlasAVGNh5Q2wgUjvSxI GMTmo8jn11Vdw== 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 06/28] hexagon: introduce arch_zone_limits_init() Date: Fri, 2 Jan 2026 08:59:42 +0200 Message-ID: <20260102070005.65328-7-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: 7DFDE20003 X-Rspamd-Server: rspam04 X-Stat-Signature: k5cox9spacnzzoew5z77eej4habxjh75 X-HE-Tag: 1767337311-472894 X-HE-Meta: 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 kE9j4Skf afp22ZipDPb99kZWFvRPTCzOfkQrukIjjYrWhfCtAsam1thJ79xthYjkLaaMnwfK5duO1HabTLrSWrKo92xQ1/hhiDMXp83tua4uAiS7eziRGGNaGHQjMevF8laLDVTR8IXgGRBitANYgcxjl8WkfKhfnzVtfnOWhp3dWlu3pTcbWDgArW+TacfazG+T4frO9v7unURc8R9Z5Islyk7HG1caf7yAS3wa05ZhDEbJgfD4ulmCdRtmfsBmvRrP0avhuOL/9WmG5/8Ss50qgwBpWVXtYFg== 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