From nobody Tue Feb 10 05:17:44 2026 Received: from mail-pj1-f73.google.com (mail-pj1-f73.google.com [209.85.216.73]) (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 E81351DE3C1 for ; Mon, 27 Jan 2025 23:22:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.216.73 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738020157; cv=none; b=rP/5G9CdRJkZmDk620awlHFbIIl1rOe8CKhDEDX3y09/Evd9S58Qvfazo/Awz0n9EiMTZvx5iUM8AQjivYRwDxB9sK1aH4uav82D7eUy1OkHaxSAanpEddI4ZH51OktMBBoFlM4G94bWcsLaxz4Lmw2Lc1kHhkLJnATW/HA61IM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738020157; c=relaxed/simple; bh=bFyuQM/BLDpPpOIoZMC6yuLZOIjFsots5RoZXv0dsTU=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=OX9NXElML6/hcQAcJI/G5UOYIjPmcyg/8LsG0+5voMit8WRV5gvYjS2FZFDGlxIkfl3JB4XqE+lQLx6s177SICq3dhC/joLhaJPSowIbD3paVMB0RnIAeqHGElLg0d/5Qg7ibdrjCkd42OBBlZz9At0N40qO4f0i0qvQZ/FwCoE= 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=3Vs8wRHW; arc=none smtp.client-ip=209.85.216.73 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="3Vs8wRHW" Received: by mail-pj1-f73.google.com with SMTP id 98e67ed59e1d1-2efa0eb9dacso9972524a91.1 for ; Mon, 27 Jan 2025 15:22:35 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1738020155; x=1738624955; 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=Brcq4JfPtIrbpkUFa9/+gtrrIFaN0auRSXJvK1RMs+A=; b=3Vs8wRHWDV0gzMeeG6zkae6rc6wu/BfoZdKq8R9KB7ZHeFWrjoo4O9lcEgF2TWDi42 CNpwuR6vz12Iq8NAA2jgKx4iR+ojrCSRjAXpXXY25BuGyzh5e6QhGV4xiixYPdTyePZI 4T2jSoYj6RMIVvg9Y0UYT+OJRxkSiP7KQeB2Jty2QkHvtYz5Ip2bAyJVi9juiF873WGB E9B4fxzFt6l+XU1nCySnUYB0IRMbRJubaYAe+2x4Y74YC4KOsBNiq85NaN/bC/5twREv mlKGSPqhmLjXk01gLoHW/qpB6xaEBhx9ZBuK5EQjeZTV8l0D+yRS9BOXFQ5nDbdb/k/0 LGNw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1738020155; x=1738624955; 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=Brcq4JfPtIrbpkUFa9/+gtrrIFaN0auRSXJvK1RMs+A=; b=K3SnAb1sojU88aK3sWvTpkzVTA5c8pKs4MtGyrE0wlKpNkc2JiSiLH9Ux3C0jcaQwR o8xu8ZYKGfSVXVg3/OCBXi5EYPR2GM/F7lNskLMtbzBX4YjYzvwC0bgZaDDzPQBNNa9s QSXDoLMAYdw/Yi1+wjU5rtvzunqjW0tfdKpfaom8gUSYt/J2h98NOMqxb16j9LRnxWmh BWYtnksMeG5Uqiao0taV+Q7aq0ukiyILwnWVDev5oddF7XUGMhWVwj++3qXH5DyZcyd9 2iwtT3xeC+dDCZlWfr+Ccu4jNfxJ5CYmhTGCYOjDt3ykMc1UaueW0GZLLn30SM3aJM7K TBwg== X-Forwarded-Encrypted: i=1; AJvYcCUNjZrQyBPdzCtB96XZnTgFzQRhQareEDRKudL9y3VWX2WsgHljuGWNA+lXIpCQjEwUCNhFrCUDopWUuAs=@vger.kernel.org X-Gm-Message-State: AOJu0YxAwHDAQx2//iU7JisauFt3emigrrB0g24gD7fWhXPCqs2QVoVl Yh0Z2+Ygu0jQfUdekyK0tbShVvj9/40hD/Ns0Ql3gyql0MjpvryYVqzzPyxhiRrzwT3skA== X-Google-Smtp-Source: AGHT+IGUkjMGVlFTGDZ543aYzipvaZgJpL0AKG+8193aCJtZ1jd6maoDFhLCDJp+8UWj3sceamvMoeB3 X-Received: from pfbf7.prod.google.com ([2002:a05:6a00:ad87:b0:725:f376:f548]) (user=fvdl job=prod-delivery.src-stubby-dispatcher) by 2002:a05:6a00:180e:b0:72a:a7a4:9b21 with SMTP id d2e1a72fcca58-72daf9ac293mr56912330b3a.5.1738020155273; Mon, 27 Jan 2025 15:22:35 -0800 (PST) Date: Mon, 27 Jan 2025 23:21:47 +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: <20250127232207.3888640-8-fvdl@google.com> Subject: [PATCH 07/27] mm/hugetlb: use online nodes for bootmem allocation 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 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Later commits will move hugetlb bootmem allocation to earlier in init, when N_MEMORY has not yet been set on nodes. Use online nodes instead. At most, this wastes just a few cycles once during boot (and most likely none). Signed-off-by: Frank van der Linden --- mm/hugetlb.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 42d8334d13bb..a67339ca65b4 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -3152,7 +3152,7 @@ int __alloc_bootmem_huge_page(struct hstate *h, int n= id) goto found; } /* allocate from next node when distributing huge pages */ - for_each_node_mask_to_alloc(&h->next_nid_to_alloc, nr_nodes, node, &node_= states[N_MEMORY]) { + for_each_node_mask_to_alloc(&h->next_nid_to_alloc, nr_nodes, node, &node_= states[N_ONLINE]) { m =3D memblock_alloc_try_nid_raw( huge_page_size(h), huge_page_size(h), 0, MEMBLOCK_ALLOC_ACCESSIBLE, node); @@ -4550,8 +4550,8 @@ void __init hugetlb_add_hstate(unsigned int order) for (i =3D 0; i < MAX_NUMNODES; ++i) INIT_LIST_HEAD(&h->hugepage_freelists[i]); INIT_LIST_HEAD(&h->hugepage_activelist); - h->next_nid_to_alloc =3D first_memory_node; - h->next_nid_to_free =3D first_memory_node; + h->next_nid_to_alloc =3D first_online_node; + h->next_nid_to_free =3D first_online_node; snprintf(h->name, HSTATE_NAME_LEN, "hugepages-%lukB", huge_page_size(h)/SZ_1K); =20 --=20 2.48.1.262.g85cc9f2d1e-goog