From nobody Sun Feb 8 20:52:17 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 572B02FFF90; Sun, 28 Dec 2025 12:46:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766925974; cv=none; b=uu2JUWROwcExr6dq23d/sNqSk9zoV+f5iITv9rbbW+SB6lF68Ojbxo3ZSeca+dWUE3bEJe/Drjzgnx9Axv49miu74SP4CZ4oROUSERlAVmY046w/LWsvjkqR9ULfKjQAbelh5bdXCoaCMN8gy1Qdt81Hwxgos8R6+AM40OrBg3o= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766925974; c=relaxed/simple; bh=RZ/DiLSy5d6B26KkgahmhRPqqfwFfapSaWjdzs9zbh4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=eQf2E3dfP4eDsM0UG3maxlU9YEkGjQgQRWxjmrVdhhS7wx3pqb0PD0vXQPgdr5iY6Dn6MwsjYx7owBZHH0T1g9RadcNY+KEzBPBRfUj0ppcqhndpfohg4NicwKGREgno4sqZULR1V2n8zrYVCdQ6ME8BDvfuYMfl0QtdgJTaT1E= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=HP+mA+BZ; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="HP+mA+BZ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B19A2C4CEFB; Sun, 28 Dec 2025 12:46:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1766925974; bh=RZ/DiLSy5d6B26KkgahmhRPqqfwFfapSaWjdzs9zbh4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=HP+mA+BZahH8JKqMnF569bvDW7aEOc3ZV2OzZ8CeJV0pYGatK4hGWAcTJZtJKMc1l zQa5VLTkCrBWM5fbpERPbQ1eZnpBZhfcIVKsdvya2ruS9g4VKsLOvR4muWleMIXdla N4/GhIBuMW0Jb4/krptZ6sXqeyLQQT0F8Ku6SldAUhjleZjmJZC7Jv3LxQ7CPEH24Z z9gWkCFCTS/wqOBx+z47sRhJJDJM0wnI33NNyzKaPRXEoRxTuQveIyJMBXpW7feKtO 92D+nORg+iwZw37Q98hv9ae8aJIO4Z062T9I/ZK+PBtq9Bt9jycEry4Sf1W/NPPXcE GjRe8TOVu5LkQ== 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 25/28] x86: don't reserve hugetlb memory in setup_arch() Date: Sun, 28 Dec 2025 14:39:55 +0200 Message-ID: <20251228124001.3624742-26-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> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: "Mike Rapoport (Microsoft)" Commit 665eaf313314 ("x86/setup: call hugetlb_bootmem_alloc early") added an early call to hugetlb_bootmem_alloc() to setup_arch() to allow HVO style pre-initialization of vmemmap on x86. With the ordering of hugetlb reservation vs memory map initiaization sorted out in core MM this no longer needs to be an architecture specific quirk. Drop the call to hugetlb_bootmem_alloc() from x86::setup_arch(). Signed-off-by: Mike Rapoport (Microsoft) --- arch/x86/kernel/setup.c | 1 - 1 file changed, 1 deletion(-) diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index 1b2edd07a3e1..e2318fa9b1bb 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -1191,7 +1191,6 @@ void __init setup_arch(char **cmdline_p) =20 if (boot_cpu_has(X86_FEATURE_GBPAGES)) { hugetlb_cma_reserve(PUD_SHIFT - PAGE_SHIFT); - hugetlb_bootmem_alloc(); } =20 /* --=20 2.51.0