From nobody Tue Feb 10 00:22:33 2026 Received: from mail-pl1-f201.google.com (mail-pl1-f201.google.com [209.85.214.201]) (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 E64591F3D2F for ; Mon, 27 Jan 2025 23:22:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738020179; cv=none; b=STI4TlmnlELJNk2m8tG3o7r1SlElZ8NlB2Zc1KCJjCrx3N4E/RO7ow8cWdcfNXgBEWG+PbxbLBXqAUNbHsLO59V9HgcHQ8OCuU+S0kTPORW2qHW8k+a3zH5EQnnaWl7jWWJ6zufzzmpK6UCR4MOjvaDnK+LXpiaa21D3pINhUBY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738020179; c=relaxed/simple; bh=PhxBtYJUW/kKgXQ6h3YdeGhAEyBHcClaMjIq80aDBUo=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=P4tGShnNI+dFwEpDmdWkFWSB4W7+TM+88c5LUAuk/YEbPdUDbrL+/VXqbX0Z1gK1wVG9GSAdeDeTJqBxDtqvm8oyDR00efQJa84+wKwrPNpEa0oiunp4XEs8p4G0rrxbt/2WK2ZHtabN+NqidwiJ43KmfB2rwHponlW/PFr6gC8= 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=hRX0Vveb; arc=none smtp.client-ip=209.85.214.201 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="hRX0Vveb" Received: by mail-pl1-f201.google.com with SMTP id d9443c01a7336-2166f9f52fbso155256125ad.2 for ; Mon, 27 Jan 2025 15:22:57 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1738020177; x=1738624977; 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=hRX0Vveb9mX4s00WHHjV4JervnFbAKRZzRmm6qgtQtftCR0zI2TTA/BlYJzTrFMie4 C8OVSbCjj04WRHARh9X4KgSfSk0RdSBQm9v2I57xqMSZW5uRZjzMZlsU0o9UbuJ2JGxt ioewfO6oofdTJF+5qBzcS1yqBo1yFnCDwK9q1hpwqBc8eavzVoe6r2A4dfI/y+BsbvNq /ky9U+MmaMmnRloicnWVbYJbd6TKTGRNM/UPNRGQRF5Z9b7ZKncwUGKkYsiP3Mr4Ewfq ZQX9aVfC7Lp0YWPWIyOg60hfqV+UpUsab9wLdFCjoOvadwzAOSAi4nL80yoo5sm9GRnh PoEw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1738020177; x=1738624977; 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=aruu/gwt5gJTiqsU2l64DbUlZLXv4b9ZzMKfl0uq+0FaRDfrfnUIwCB+ydGxRqL0oD l+IUx7lBGhpbnYVqCNaf4+4eVzDa+9Z2yhl57wmSWIl76meoIQz4tkF7HWM50FQmWc4H ZvuVzxFXKUQTdG9G37e4OE45xnHNNIJv/GN+i+tE6pxl90XYUJxYCU3vv2NeQSSvo8Wd 3m5wMtGIUz+jvnwCde9c17J/cc/kM1ctiPZsWxQyo/XcFIKMrr1oU/yXUFpgvBg7gcg4 vwhlCQMLHc3Ky9J327CZFX3/TwZApintLNYXV0xiZOmEvm3NNz35cDp4Ilvz3mSz3jWy xG0Q== X-Forwarded-Encrypted: i=1; AJvYcCWSAMQDnaZMtglA+5DlhRjZFsjUf+2D9m8t6vBY/ncQSgnK9cTh0B5+uI/oGH9RgBhfOolFPnVDvrmAAj0=@vger.kernel.org X-Gm-Message-State: AOJu0YwsjPFh2DOUI9+A+keVtQkswnusUgmi7d3u2s5ggVzYEp38sMIY U6Cksg6uG7ujUXsG7E3GzlWnNBE3VAwn9VyG7PLYAOX8tWgtrSeD0PBbImHF1bZk6kunCA== X-Google-Smtp-Source: AGHT+IHTkWT+vKPtNmML5TD/UxEnzEGLQT8O3DJ3Xye94Aonki0v0QAKyqnXLqCJrz3+wg2puwj3NqqG X-Received: from pfav8.prod.google.com ([2002:a05:6a00:ab08:b0:728:b8e3:993f]) (user=fvdl job=prod-delivery.src-stubby-dispatcher) by 2002:a05:6a20:3942:b0:1e1:9f77:da92 with SMTP id adf61e73a8af0-1eb215901e0mr60888783637.33.1738020177482; Mon, 27 Jan 2025 15:22:57 -0800 (PST) Date: Mon, 27 Jan 2025 23:22:01 +0000 In-Reply-To: <20250127232207.3888640-1-fvdl@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250127232207.3888640-1-fvdl@google.com> X-Mailer: git-send-email 2.48.1.262.g85cc9f2d1e-goog Message-ID: <20250127232207.3888640-22-fvdl@google.com> Subject: [PATCH 21/27] 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, usama.arif@bytedance.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