From nobody Mon Feb 9 19:26:34 2026 Received: from mail-pl1-f202.google.com (mail-pl1-f202.google.com [209.85.214.202]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 082211F471A for ; Wed, 29 Jan 2025 22:42:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.202 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738190573; cv=none; b=g7EeNU66JieQ/zmHgCDFTLB/onmziAqOY6C6+Y0DOld3hfe4SYle5op7UUTnnBS846dhtTrkBGN23vpV6Q4b5gR8dWMxXCiwuzLkD5L4svL909FzTvsTNPq/vypx9HIUVqrjusTRMGZ+YkFFbpWsnTh76FqH7Wv/E3KMIOJcbO8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738190573; c=relaxed/simple; bh=wvVzIzAs5+WDE+GJcz/oHr4G45IfBDRvB4m4C4Fb9Js=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=dbsIvwl3iz1B5m8KOSrI0XcRQFyyT74kNFJsrbp/vz6wWjJzOro/Lxi+ZMm18H0LrwQmrtalGwe3p4RxKjFTXTJhdnCA/0OYI15HoIicRiq/Hw1+aGLgV1hGwIuwi1QEh3OyMwPAmj7CUPfOKfGwPUmff4imZQf34z0zU6b7a6Y= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--fvdl.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=yTIcXJTw; arc=none smtp.client-ip=209.85.214.202 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--fvdl.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="yTIcXJTw" Received: by mail-pl1-f202.google.com with SMTP id d9443c01a7336-21661949f23so4155375ad.3 for ; Wed, 29 Jan 2025 14:42:51 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1738190571; x=1738795371; darn=vger.kernel.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=Cb+6DeiIrDYs6+D7kWz+SSV0N/KlwTlgW0EvhXblryk=; b=yTIcXJTwMRFGihYxBP/DmpvRg1XjjngH6QZydQdMG9kTDLJUlryPumxPTGqZ67ZrUL 2YTUbMtn0UKtviW6hf0FmdZokP/mjJRSN/JXKd28Kb6EbwOtxrS4gQG7EE6mrIr7+39p 1UfqFhTgmYWelTRmiyOwTI33c51osIx/vSZlthFUKPM6sFQuqTd/M/KBk79C6Tt9OCT8 3Pr1dRuQ4pmQ1DJpWo5CPiNuWYhsIvYxT3Za9LvfqDWCX6APmovHOSeMrXeb3d4UR/3D 3Btt1de8HWGaAyvWbXXXKNT+jXTxPy91OXOOFQys+jzDKRS0DgtHOz7I0HFsVPaRWJlW vvkA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1738190571; x=1738795371; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=Cb+6DeiIrDYs6+D7kWz+SSV0N/KlwTlgW0EvhXblryk=; b=MMbT50yFg76NOut8qhWpIbYL3hZzfytOWGL2GEqxRBb1hmF3UI0pgPOCDzZ1EkLhjU SRJeY54aZpWMCMtSfDLH/Vc7d7DWbaE4f0Jg2XockkbblNFcHAjv/HTqHFJURVaxC7+8 kB2bnCedumj3Et5YKudPAWV43zy2oK/w9pOYCO2K/V1lYUFk/WB7UZyxQU8GXs3RbFd3 w4YK54WUSvYk/hn8Sau+M2idcUJk9xlOAfZaODeNsRAgh4tdHN1yVn611D6UCPu6jlIQ iQgdwj/sGo16xJWg71edtzS3OLkv/coP2kBj6ndn0ge4pTQQU39bS7RgMTAujoJZes1r P4EA== X-Forwarded-Encrypted: i=1; AJvYcCWW6Vmar6UY66Ysqi0OiJ25I2/VgVZbkvGeGz+guWr4plDossHrzH+ZZbDbBUXa8nPAdrZBvGNmiv1UY10=@vger.kernel.org X-Gm-Message-State: AOJu0Yxng2SICH+RQys/RWFmwamh2JqNSQxjj/GCnKY+aFVUZuf0Bqxh /ZM4RwF4Ak1q/JYLRBJLzxbmSlwBzG4aUjC3+CSSeyzpGpYmebyfU7YAoZUHrRa1q6X56Q== X-Google-Smtp-Source: AGHT+IGDZN67byriIZ5TIJ74e/Xl+F0BuBhYUaCM7mwYBiMBi2VTra4u5+oA1ptyGp1vtiEeW3/9K7g+ X-Received: from plgi2.prod.google.com ([2002:a17:902:cf02:b0:215:ac55:d3ec]) (user=fvdl job=prod-delivery.src-stubby-dispatcher) by 2002:a17:902:f687:b0:216:6901:6847 with SMTP id d9443c01a7336-21dd7de1cd0mr67719505ad.42.1738190570966; Wed, 29 Jan 2025 14:42:50 -0800 (PST) Date: Wed, 29 Jan 2025 22:41:51 +0000 In-Reply-To: <20250129224157.2046079-1-fvdl@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250129224157.2046079-1-fvdl@google.com> X-Mailer: git-send-email 2.48.1.262.g85cc9f2d1e-goog Message-ID: <20250129224157.2046079-23-fvdl@google.com> Subject: [PATCH v2 22/28] x86/mm: set ARCH_WANT_SPARSEMEM_VMEMMAP_PREINIT From: Frank van der Linden To: akpm@linux-foundation.org, muchun.song@linux.dev, linux-mm@kvack.org, linux-kernel@vger.kernel.org Cc: yuzhao@google.com, usamaarif642@gmail.com, joao.m.martins@oracle.com, roman.gushchin@linux.dev, Frank van der Linden Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Now that hugetlb bootmem pages are allocated earlier, and available for section preinit (HVO-style), set ARCH_WANT_SPARSEMEM_VMEMMAP_PREINIT for x86_64, so that is can be done. This enables pre-HVO on x86_64. Signed-off-by: Frank van der Linden --- arch/x86/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 87198d957e2f..ccef99c0a2ba 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -146,6 +146,7 @@ config X86 select ARCH_WANT_LD_ORPHAN_WARN select ARCH_WANT_OPTIMIZE_DAX_VMEMMAP if X86_64 select ARCH_WANT_OPTIMIZE_HUGETLB_VMEMMAP if X86_64 + select ARCH_WANT_SPARSEMEM_VMEMMAP_PREINIT if X86_64 select ARCH_WANTS_THP_SWAP if X86_64 select ARCH_HAS_PARANOID_L1D_FLUSH select BUILDTIME_TABLE_SORT --=20 2.48.1.262.g85cc9f2d1e-goog