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 DF591D3B7E5 for ; Mon, 29 Dec 2025 03:14:30 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 46D896B008A; Sun, 28 Dec 2025 22:14:30 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 442076B008C; Sun, 28 Dec 2025 22:14:30 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 33AC06B0092; Sun, 28 Dec 2025 22:14:30 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0015.hostedemail.com [216.40.44.15]) by kanga.kvack.org (Postfix) with ESMTP id 24C4C6B008A for ; Sun, 28 Dec 2025 22:14:30 -0500 (EST) Received: from smtpin24.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay07.hostedemail.com (Postfix) with ESMTP id C9F121607C6 for ; Mon, 29 Dec 2025 03:14:29 +0000 (UTC) X-FDA: 84271040658.24.A0A8FB7 Received: from out-178.mta0.migadu.com (out-178.mta0.migadu.com [91.218.175.178]) by imf12.hostedemail.com (Postfix) with ESMTP id 02F2240002 for ; Mon, 29 Dec 2025 03:14:27 +0000 (UTC) Authentication-Results: imf12.hostedemail.com; dkim=pass header.d=linux.dev header.s=key1 header.b=CsTctdZ8; spf=pass (imf12.hostedemail.com: domain of muchun.song@linux.dev designates 91.218.175.178 as permitted sender) smtp.mailfrom=muchun.song@linux.dev; dmarc=pass (policy=none) header.from=linux.dev ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1766978068; 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-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=23WFVh4QD8EwOyb+DiEjMorTSabGcCdF0HCkzTj5UcI=; b=4LZrxBQtcvS/mlbq7H/FO/wDrpz2nr6j0kIAd1cBz/YAmOBZlqbUlarkcMcsGTFFKuiJ80 CHS097eLDCCBzNM7swYhgOGoeBlUnIbVtBNz87RwJMPDuWIi10LEQVw/ocii8YZMOBour0 ZQT8defJhkplk6FY1cPm3TiXgFWw0e4= ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1766978068; a=rsa-sha256; cv=none; b=5eSgh9vlRNyuwceCMm43fqTnoYEMC30L60e/PxXqXO7kYxTBsoguW+om8n/UXnvFCwK1V+ 5tdpFtenlj4GylV32AdJIV/BkN7RIfeOACYg40i5xPMh1glUklAJvmUegSdsbnMJlQhrUX Kc5EN0srl81iQlYiXGTMDGXqGdNTh6Y= ARC-Authentication-Results: i=1; imf12.hostedemail.com; dkim=pass header.d=linux.dev header.s=key1 header.b=CsTctdZ8; spf=pass (imf12.hostedemail.com: domain of muchun.song@linux.dev designates 91.218.175.178 as permitted sender) smtp.mailfrom=muchun.song@linux.dev; dmarc=pass (policy=none) header.from=linux.dev Content-Type: text/plain; charset=us-ascii DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1766978065; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=23WFVh4QD8EwOyb+DiEjMorTSabGcCdF0HCkzTj5UcI=; b=CsTctdZ8U9pUZlVucTzftHHmp2gnI1r0CzZFlnpRDH9PaP1qXa4UPAYSva2HLine9CfV90 9W72CV4/QFwNiVWLYQ5mHLAgZrQcKb5qzwdX5woVQVU6YQn8JsHteRlat/Z+Spad7CIWaS h++GDN5U6j2LdFzXpT0UvZYdzjPHOv4= Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3864.200.81.1.6\)) Subject: Re: [PATCH 28/28] Revert "mm/hugetlb: deal with multiple calls to hugetlb_bootmem_alloc" X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: Muchun Song In-Reply-To: <20251228124001.3624742-29-rppt@kernel.org> Date: Mon, 29 Dec 2025 11:13:26 +0800 Cc: Andrew Morton , 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 , 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 Content-Transfer-Encoding: 7bit Message-Id: References: <20251228124001.3624742-1-rppt@kernel.org> <20251228124001.3624742-29-rppt@kernel.org> To: Mike Rapoport X-Migadu-Flow: FLOW_OUT X-Stat-Signature: r8nw497dfdwx1t5ogw6epnpfeu1cmi5x X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: 02F2240002 X-Rspam-User: X-HE-Tag: 1766978067-513421 X-HE-Meta: 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 vJxNg8xb 0RJVI6W2a0NrN7h+X8p7APIN2B0KZu40Ed/3HGw0TzADtPHf1WeSQ2uoLqEmeFBC5O1kLD9QeE/dcu4jOB/+TYez7tfwZUi2OsJLwHioSs4M71h5SkYH9jkUQYowYVLvRofWJ7ZSr4TNS9os+Yf+F33JS4iiVogPS5wjMYjgTSxoSnaATI39FkEK4hZzbTRkEKquIrrzsnRrcMrBC3dgtaYFhdlge7kjeEKVGhsVBxtF803dhbBvmXlTKMWf21wv7YcjUfqxZzViA3LDsYOmTZ+SW1mEmEHVfnX4NrsrvGmg58yVN3BBxRrrt7Q== 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: > On Dec 28, 2025, at 20:39, Mike Rapoport wrote: > > From: "Mike Rapoport (Microsoft)" > > hugetlb_bootmem_alloc() is called only once, no need to check if it was > called aready at its entry. > > Other checks performed during HVO initialization are also no longer > necessary because sparse_init() that calls hugetlb_vmemmap_init_early() > and hugetlb_vmemmap_init_late() is alaways called after > hugetlb_bootmem_alloc(). > > This reverts commit d58b2498200724e4f8c12d71a5953da03c8c8bdf. > > Signed-off-by: Mike Rapoport (Microsoft) Nice cleanup. Acked-by: Muchun Song Thanks.