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 54C36E92724 for ; Sun, 28 Dec 2025 12:44:53 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id B843F6B00B3; Sun, 28 Dec 2025 07:44:52 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id B381F6B00B5; Sun, 28 Dec 2025 07:44:52 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id A44B06B00B6; Sun, 28 Dec 2025 07:44:52 -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 915656B00B3 for ; Sun, 28 Dec 2025 07:44:52 -0500 (EST) Received: from smtpin04.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay02.hostedemail.com (Postfix) with ESMTP id 5ADA813C272 for ; Sun, 28 Dec 2025 12:44:52 +0000 (UTC) X-FDA: 84268849224.04.643296A Received: from tor.source.kernel.org (tor.source.kernel.org [172.105.4.254]) by imf18.hostedemail.com (Postfix) with ESMTP id BB40D1C0002 for ; Sun, 28 Dec 2025 12:44:50 +0000 (UTC) Authentication-Results: imf18.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=mEm8Nhjf; dmarc=pass (policy=quarantine) header.from=kernel.org; spf=pass (imf18.hostedemail.com: domain of rppt@kernel.org designates 172.105.4.254 as permitted sender) smtp.mailfrom=rppt@kernel.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1766925890; a=rsa-sha256; cv=none; b=Zxut04biV8yZ4/SpqUh1LFI4SeThF64ArK31beuS1MAvd8/vAfxttkIGhS6Wo+vEDQxP7/ SZAsVOP4iqdzKxrtm2eUGsfFeOCksnUd4Fbui5Fb4eT8slOPjl7c7PkbCTe2vzmTRScew2 FJi9EnOMbyOz8XlSa2lwD027Jc5fRW4= ARC-Authentication-Results: i=1; imf18.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=mEm8Nhjf; dmarc=pass (policy=quarantine) header.from=kernel.org; spf=pass (imf18.hostedemail.com: domain of rppt@kernel.org designates 172.105.4.254 as permitted sender) smtp.mailfrom=rppt@kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1766925890; 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=EUP8A0oU4o/USGU4JF7iSIOLVJ/2u6llFeNZ4HBfxOs=; b=gwF0j14/B+fC+BsLkgdLePfFr7MeebzsID6kF+fkT7c0zRGIELNiILQXIj1WCM68Ics+29 PWHSMDHqGVAnXjB9Sn3drr2ABhPT/rX3Xklx++18BQWKmfuHmQ+T4lCu4hCfbabiYTEsdS c0AysavDcNpfFwYLCF2bHBmQR1OAi/o= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 4799960055; Sun, 28 Dec 2025 12:44:50 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6F9D2C4CEFB; Sun, 28 Dec 2025 12:44:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1766925890; bh=2fA0ShJu41IpFxgmfkKiNARLhjMIlJQdtqcPZZQwJv0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=mEm8Nhjfa6WWs8SePkiyzNds8GzMMs1SPN2jgDBA0dfwWgdDDslcRJD+GKgSW45/y GbOIkT3BV+fa0vU0kDDKhS3+67JuiXWIW4Jsc1AdG/WqHKxcYGMJ2iho93EdLWkZ+8 7mLE0tTFcfOqarDYFmF/qKg7Lu5I3f8nFV59M5Cxc1IR5mODrC7xvNCnlv31ejHDTp rpLdvktJ3vP3bXGEZcAI0t9PA3nYG61tLbt8rOZz3BeRqoMyqdkKWS7HkdolRjw6xP eMud/Jg+SPNHEg6cwsztEiHEgwUj3LbkXHwARzJa2ZS3UUDjlhRzvC1p8pt/D/jIhJ fb4ImkZ5vEPpg== 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 19/28] um: introduce arch_zone_limits_init() Date: Sun, 28 Dec 2025 14:39:49 +0200 Message-ID: <20251228124001.3624742-20-rppt@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20251228124001.3624742-1-rppt@kernel.org> References: <20251228124001.3624742-1-rppt@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspam-User: X-Rspamd-Server: rspam09 X-Rspamd-Queue-Id: BB40D1C0002 X-Stat-Signature: hdwmd8n1patnupe7k3ghqkxr5uqyb9u5 X-HE-Tag: 1766925890-429390 X-HE-Meta: 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 MBloaGlW 6tGLaM9Wy83pKi15RIJytK2tb3rrn7j4DCB4dXItgyleAtEl/Su68dVNDkiLePhGsAMTmmAvzTVeonKH7XEM71xf5b3Rzaz3cSaCy1MhJhTWUS8pFFohnE57FNw0DVYn20ZgTjsW34puLjlLmdj465rFhylDreNHiAo59EDpdRTlwB9wnn35M1RH4WCq8GKvH/y+qpV/yw6c0DBWpp07zwug+sNcrbv+phdixX5Dl6+8bXfnfoj0q5fadoRPHMVyL4gRwafuLhWTqPA8ZPMp0/f7EDg== 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/um/kernel/mem.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/arch/um/kernel/mem.c b/arch/um/kernel/mem.c index 39c4a7e21c6f..2ac4e9debedd 100644 --- a/arch/um/kernel/mem.c +++ b/arch/um/kernel/mem.c @@ -84,6 +84,11 @@ void __init mem_init(void) kmalloc_ok = 1; } +void __init arch_zone_limits_init(unsigned long *max_zone_pfns) +{ + max_zone_pfns[ZONE_NORMAL] = high_physmem >> PAGE_SHIFT; +} + void __init paging_init(void) { unsigned long max_zone_pfn[MAX_NR_ZONES] = { 0 }; @@ -94,7 +99,7 @@ void __init paging_init(void) panic("%s: Failed to allocate %lu bytes align=%lx\n", __func__, PAGE_SIZE, PAGE_SIZE); - max_zone_pfn[ZONE_NORMAL] = high_physmem >> PAGE_SHIFT; + arch_zone_limits_init(max_zone_pfn); free_area_init(max_zone_pfn); } -- 2.51.0