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imf26.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=S18YUcU7; spf=pass (imf26.hostedemail.com: domain of david@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=david@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1773679762; a=rsa-sha256; cv=none; b=fkoeY1sikTwprID13sryq4udA1DAfffVYVnjbSqYVuxek43BDqffmo8X1Uv04V8HRlwd+q NaF56mk3VoT9yHzmBV+vHE2lMSrKpaSZh1HJwmK30RnuVNk8W9pbuufZCjHBKQ0FtBRbLa jTO4+WuBQ5LKUpF73Ved1g887bfsLDU= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 11E624376E; Mon, 16 Mar 2026 16:49:21 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id EB465C19421; Mon, 16 Mar 2026 16:49:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1773679760; bh=uk1xHHKJArXOa0D/n6OA2egxALwqJwTNCh5fudHqvn8=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=S18YUcU7zj5dwedocu26adSAA6wCoD342MiDux8Lqox9E5YEW7px8XzMPZp3l/GG2 X33FV25AdFzEz9i8jaHd1X8c5XpHUxaZjGA9Zv/wuFs2gDGu/nV/KA+76Ac3D3AyrH A9iiph3Q3pTq2hmxvlXuP7RB0tm2DDiDaO+iLDXr9H/arruE4C+HDHB2PNVGllDs2S /IoWz8Kdo8wG0x7VrpPDsKDlQiSspFfZm6qMVD6jbHD2bgbR8g1sHxgtniRnTWPsJv 8jwOMtYleOb+cWDLHvCGbsP9ly6WhoA1uWte8qt1uQQqdytuSnqZ3l4Slx/aUFe5rt za9JXBprOuoZw== Message-ID: <3ac4a544-53bd-42e7-8191-ae9f79aad5e9@kernel.org> Date: Mon, 16 Mar 2026 17:49:13 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCHv7 11/18] x86/vdso: Undefine CONFIG_HUGETLB_PAGE_OPTIMIZE_VMEMMAP for vdso32 To: "Kiryl Shutsemau (Meta)" , Andrew Morton , Muchun Song , Matthew Wilcox , Usama Arif , Frank van der Linden Cc: Oscar Salvador , Mike Rapoport , Vlastimil Babka , Lorenzo Stoakes , Zi Yan , Baoquan He , Michal Hocko , Johannes Weiner , Jonathan Corbet , Huacai Chen , WANG Xuerui , Palmer Dabbelt , Paul Walmsley , Albert Ou , Alexandre Ghiti , kernel-team@meta.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, loongarch@lists.linux.dev, linux-riscv@lists.infradead.org References: <20260227194302.274384-1-kas@kernel.org> <20260227194302.274384-12-kas@kernel.org> From: "David Hildenbrand (Arm)" Content-Language: en-US Autocrypt: addr=david@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: E8F1D14000D X-Stat-Signature: r3n63e6d7q35obtr433y8fndoxfqosmc X-Rspam-User: X-Rspamd-Server: rspam06 X-HE-Tag: 1773679761-129083 X-HE-Meta: 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 p2vU+2E6 6m1EbUkpdKmTLSD8wVxPn2fVlI/uyfvATiTNe+RxpiePWbyFcpAgmb0xQJDgSNhxONGMAIV//gheEo7cGL7RCKJsw5v4t/vVC4CK2JsA8eiBsettWk2SRuWjGWolMkTDcCa3OIMaTfLumHkkRopqqnOH9q6BkuJY2u6LYw3PMzcft9PwFN4o6fqWLmg+5wREdR4YYUGHCym0S94b5owwIoO1NwhhuTd2c+k+IwBijM1wQT2kJK6Byn2bJtThrmLmM1OglaJjCgP+AzpnxBzf21ceKA+h22VKn/yymt+Y09B/VAgWSTR4yY55X1UKJDY+4stPR4E9JKKGnkXI= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 2/27/26 20:42, Kiryl Shutsemau (Meta) wrote: > The 32-bit VDSO build on x86_64 uses fake_32bit_build.h to undefine > various kernel configuration options that are not suitable for the > VDSO context or may cause build issues when including kernel headers. > > Undefine CONFIG_HUGETLB_PAGE_OPTIMIZE_VMEMMAP in fake_32bit_build.h to > prepare for change in HugeTLB Vmemmap Optimization. > > Signed-off-by: Kiryl Shutsemau (Meta) > --- > arch/x86/entry/vdso/vdso32/fake_32bit_build.h | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/x86/entry/vdso/vdso32/fake_32bit_build.h b/arch/x86/entry/vdso/vdso32/fake_32bit_build.h > index db1b15f686e3..bc3e549795c3 100644 > --- a/arch/x86/entry/vdso/vdso32/fake_32bit_build.h > +++ b/arch/x86/entry/vdso/vdso32/fake_32bit_build.h > @@ -11,6 +11,7 @@ > #undef CONFIG_PGTABLE_LEVELS > #undef CONFIG_ILLEGAL_POINTER_VALUE > #undef CONFIG_SPARSEMEM_VMEMMAP > +#undef CONFIG_HUGETLB_PAGE_OPTIMIZE_VMEMMAP > #undef CONFIG_NR_CPUS > #undef CONFIG_PARAVIRT_XXL > Pain as always :) Acked-by: David Hildenbrand (Arm) -- Cheers, David