From nobody Mon Feb 9 19:26:49 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 7AAB01F37B7 for ; Wed, 29 Jan 2025 22:42:50 +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=1738190572; cv=none; b=aJmmq9XdLywHtZxAWjz7IvqAG9QMAs3BhjIsNXiLlwWRpEVauw0Av6eNRRy9AOZrtvNSfsXDtWdPgM58cAddSzfzgGjtFqdWwlV93EgHkgFHmD92aomB5xK9AMFGBKMgqEwvAftsxLPzMI3caJXRHnZF6pFTuix163papvzr8RY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738190572; c=relaxed/simple; bh=PhxBtYJUW/kKgXQ6h3YdeGhAEyBHcClaMjIq80aDBUo=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=EMDhrm6mLBX/MN3zDMT/LutpaTt5NrAAzL6LDpg39hKPzntgWE9PvqS39zFH9HhLUAZps513/1J3bQPAzUdMJK6hRm/Jg+cMTPqxsvI9IhN3s/YJiU6JZlPp/PHzMLVhdQT099IO+D8jAp9eeSh1fV6Rm9wp8mHuU6Y8ILbXn8I= 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=Me1zxBgo; 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="Me1zxBgo" Received: by mail-pl1-f202.google.com with SMTP id d9443c01a7336-21650d4612eso3943495ad.2 for ; Wed, 29 Jan 2025 14:42:50 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1738190569; x=1738795369; 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=m0+bWUW0pfRrXDtFyRBgF5DnwWrUxEqL81u9NMeAeCs=; b=Me1zxBgoXq34sGQb77SNNdIob1wQAfZKJqPNRmOIussKiF5kaXYIth1944NH6pcQf2 xLdJFygE/CLx/HMZg3i87klYl08OLzIUkQ0U3WFwjiSBcVGK2m9xqYKH4c4jnCwG83Gy hMG0+Q+tsgN08NGaymKNxThG1RODu6ADFoo4S9y9ml5tRO4xXXeZC26tuW63OUP9ipdS 7dxUFEBScgXo5tlLRtTSQ07lx12f0SyUYbD6zle+X3GYlZtQvlZZafAqVK5ht0Dmmi0u G3ElVJoZFY6JMLGsG3bGlfdYXeYkOkBK5okvKOUJnK2x/w59T2k9mh422oik6BKmloCc m+6w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1738190569; x=1738795369; 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=m0+bWUW0pfRrXDtFyRBgF5DnwWrUxEqL81u9NMeAeCs=; b=KnhII6T4YEeLgbOhs04r1sjoARfxkANak3KsHUlGUex/cSOTQNLihvvqf9YTrUsDpf eC8dkvByGsbXcZ/KI7ZjStIyM6Xgvc8mC+d1YxXJsS/NvK5vDn0vLym1j+rp9mDW7xHO 2hjPcuJvi/sx3ajW7Dhybd8ulg8pbwwnqzS72hNLEKWEcgXZuzUpp5lfsBLSz5BGHLAc 3NFEv27nK9CoVtbar3pMYV8FKzJRmyn5yl9iYeOizD37cyCyi+mARUabDBqPCq5sz0Nk SUIhtBFTw928l29YZI0j8Peo4Bmb3E5VdeKn08F37tbzTaFybGKiDBE0TmdqNILszYGN wsQQ== X-Forwarded-Encrypted: i=1; AJvYcCVEbHukoBD7qNiqmkQ80pRWVO7UNkouw1KgDfDdrl7JdjmtG9nNKQWtewHNVVTtBR3I6BfNwDE8zBb/cxo=@vger.kernel.org X-Gm-Message-State: AOJu0YwpkMwuTWFjXT8XG+gI0Ol5m98LRHmIdCYAELIMKan8ui/MlYmB p1UqkZpw/Zk4pEEnLykep8bOyGIGfqnfeTEURQPRxfQ+GQBMFgH8lChyl1hbMwGMAOuqXw== X-Google-Smtp-Source: AGHT+IGzEL5Rip0Mz0fmGy5xX7dEt6FjPy6j1I5Lgvi49arCFvPrf2CjjL7zxLhk7rZXQGyKts87I7hf X-Received: from pgwg3.prod.google.com ([2002:a65:6cc3:0:b0:7fd:50ab:dc45]) (user=fvdl job=prod-delivery.src-stubby-dispatcher) by 2002:a05:6a21:498:b0:1e1:a647:8a54 with SMTP id adf61e73a8af0-1ed7a640d32mr8499455637.20.1738190569677; Wed, 29 Jan 2025 14:42:49 -0800 (PST) Date: Wed, 29 Jan 2025 22:41:50 +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: <20250129224157.2046079-22-fvdl@google.com> Subject: [PATCH v2 21/28] x86/setup: call hugetlb_bootmem_alloc early 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 , Dave Hansen , Andy Lutomirski , Peter Zijlstra Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Call hugetlb_bootmem_allloc in an earlier spot in setup, after hugelb_cma_reserve. This will make vmemmap preinit of the sections covered by the allocated hugetlb pages possible. Cc: Dave Hansen Cc: Andy Lutomirski Cc: Peter Zijlstra Signed-off-by: Frank van der Linden --- arch/x86/kernel/setup.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index cebee310e200..ff8604007b08 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -1108,8 +1108,10 @@ void __init setup_arch(char **cmdline_p) initmem_init(); dma_contiguous_reserve(max_pfn_mapped << PAGE_SHIFT); =20 - if (boot_cpu_has(X86_FEATURE_GBPAGES)) + if (boot_cpu_has(X86_FEATURE_GBPAGES)) { hugetlb_cma_reserve(PUD_SHIFT - PAGE_SHIFT); + hugetlb_bootmem_alloc(); + } =20 /* * Reserve memory for crash kernel after SRAT is parsed so that it --=20 2.48.1.262.g85cc9f2d1e-goog