From nobody Fri Dec 19 09:11:05 2025 Received: from mail-pj1-f74.google.com (mail-pj1-f74.google.com [209.85.216.74]) (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 1BF21272909 for ; Tue, 18 Feb 2025 18:17:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.216.74 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739902661; cv=none; b=CR6+h4r+oM8vJHRMp3NyAg5QQeQJ28whV9NnWnR0/djiq7YHmqGssPFG4UVUcQdO1OxK9CWlxUG72WHiaxpnTg9F0etYrWTt9Cci82NE0bsgSbRNuh6g7jRItNzA4mBcYLb1HuemTgnk/TJJzNWFGqAB37qhyUYhFPNJnkP/Fnk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739902661; c=relaxed/simple; bh=5vZQ1GXCvGMDTWhgfthSKEBmS0sQYiH3cOarqWYrv8s=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=O7pz6p4/NPHvffffeAkUUaGAaFBYf8daSKjaTzqB4nbSy2YktICAXpiZKABwknAMDeoxEj/dQD1A43R9VfABOqWRvtBbGfYb1NDvEi2ZrezvM9705IroBrxNjZuCVNVk/dTSZYUnpIPlm9yNzzD60PlA8WW5xf9vuDhs5keD1sk= 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=3I9tDD8V; arc=none smtp.client-ip=209.85.216.74 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="3I9tDD8V" Received: by mail-pj1-f74.google.com with SMTP id 98e67ed59e1d1-2fc318bd470so8609415a91.0 for ; Tue, 18 Feb 2025 10:17:39 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1739902659; x=1740507459; 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=C4lxvaanET3KprDs3s7VrwzCEx/dq6Uoz76UzjW+xmI=; b=3I9tDD8V0EWLpmf4dZDj8U8Scp56Ez+YQUSjIcmWyiS4L2k7b3eIPCHmjiSE/B5yUX lzO7dt7PpPLq/sO0vcTeo2SzuNQbveS8chB5czZeoXJ6T8omyEkqQdVq5nKkyoO9sKKe UZyWfpUAKC2uYx4AdDfHlsKUrj+cinBSGQPfdQFYRqNAWba2/mywsEgTcr/Eyc7rfVVP Fyb38Sfn36kdGeDaopM6otBP4YMgO3TZUAcjd0zXBSV+/bq4nssI3mM4dFjejVncujgF RJIEx9vaILtwxrHAl1Lv+LdUEy5srCF7Vx3qDCndx5s6T5KCxFfybJ7rlC//hH98Q33H zlUw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1739902659; x=1740507459; 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=C4lxvaanET3KprDs3s7VrwzCEx/dq6Uoz76UzjW+xmI=; b=guTrHW3r5CQvT2vxw9MQCrlg9wlvu/o9hMUzQSLNjWNDOF7AInIsyy1aSmWLsA/cNe aek4Xia2xH66ZopoZhFb9aKcNerLrkB1Xtqmdk5NhcNjrtOjF+i5QXC+5OdJ5jDuIcLF X4OUbIJV2s+inRRgkB0qWtE9WV+foSNdhzWJ/E2wpGsJ9wp3mHEB8FKgeO7ft+zLPd4Y YUAO/+q8/GO79YtZpcc6GASh8DOu4oFj1fgEYJwJnQ8VOvJRGZqwGu3t+Y3nWoKJeeLZ qazutpff8KLuTDEzgoAyeIxWsIk6AW6PTnLYPH4+9LNSLvSpVDvasHW3g8z/YzRhWI9G V3xg== X-Forwarded-Encrypted: i=1; AJvYcCWSoZnlxGceYPIEjClUxdcHet6eWbbXtIXM1B8+jg5sLEPnuGOGMCW0mFiwdZ6WTbgaH8SZkP12/iPdWCM=@vger.kernel.org X-Gm-Message-State: AOJu0Yxsv/qQzmzcdwYlcXPAfn0qRwm1GxJ1h9AvUfA91r8Jw3rE8GE+ OZ1axgc7Pv7g0rOO+vdMevLU2HgtpmojDUQi+Vi5j2UP3WDWNdPtrnrTE4mk555TfpwnBQ== X-Google-Smtp-Source: AGHT+IFxez6ckyQY1Z+cRSf5y3EPSwk4DytJGyZjzIw5jPp+flAShbFokg8rFRyA+qYRsz2KFf/vnhwg X-Received: from pfbbd17.prod.google.com ([2002:a05:6a00:2791:b0:730:8a55:44fd]) (user=fvdl job=prod-delivery.src-stubby-dispatcher) by 2002:a05:6a00:14c2:b0:730:9659:ff4b with SMTP id d2e1a72fcca58-732618e4fccmr18581142b3a.19.1739902659518; Tue, 18 Feb 2025 10:17:39 -0800 (PST) Date: Tue, 18 Feb 2025 18:16:49 +0000 In-Reply-To: <20250218181656.207178-1-fvdl@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250218181656.207178-1-fvdl@google.com> X-Mailer: git-send-email 2.48.1.601.g30ceb7b040-goog Message-ID: <20250218181656.207178-22-fvdl@google.com> Subject: [PATCH v4 21/27] 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 be2c311f5118..fa0c0059959c 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 2.48.1.601.g30ceb7b040-goog