From nobody Mon Feb 9 19:30:51 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 E63EF1AF0D0 for ; Wed, 29 Jan 2025 22:42:28 +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=1738190550; cv=none; b=rS5nZq1e2JijKuA4t+loHJ9vTnEhJaWVr9DZiyHgCOwn96nQvPole4Q3qc+uwgUKWRywhg8U7n7jgHl8garzS2MqiEjxccJ+GL0BUk6aJ7YkX98IhvpO5HOLjEQadv5mNm2LrWpfEYNP7TXHhTdk5Gn3x5BV0o5DaGQqHPmAu04= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738190550; c=relaxed/simple; bh=WiR1eqhOiClwJ0UZlwjHo0TqFZ4FOdPtQ5vRV8aDy9k=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=mfftfE6PPY78GIkopC6XcKy6KSAjRaUHi4iLi4cey3brXgPedeoQo7dzVhDHeifeR16k0g2N4AJ5TW86XfgnF13W1/O4LNkG4ETzx2yO1wDRXRjzeHoZZ3A09SpPUFMFsO88w2Fii6VUdLNKxY5E1mvHfg7em9I8FuzGyF0Dkkk= 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=qv7nCl9+; 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="qv7nCl9+" Received: by mail-pj1-f73.google.com with SMTP id 98e67ed59e1d1-2ef9204f898so229533a91.2 for ; Wed, 29 Jan 2025 14:42:28 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1738190548; x=1738795348; 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=Wwa6fsXZRK5gAo5OnSYVBrwDMxNqaUw9sa9Xi3hrPeg=; b=qv7nCl9+Ncg7wMfYc8mDXMTPy8oTJ3Yh1mMVjNK22dCHTBK7N5mrq9nvavJ9IKlnje nVP3BmlvtBzDol2SD93j6QQURgsMR4SimcpbRvuB/Gh7iwHKw7JoSIyh6JL3kseKuX4q TyKRwvWLXojU5R8kMR9yWoPvx8UykdSyGYRbXX0TFIIdW2PT/nDVgDEKxmVzUnMYDa0Y hlKwwUEIHVA2GRJ5jz8VS5n2JfrZj+pf4aTYOIgc1vuv7lZF3fq5FDbS2arwufkSENLT I+l3zfvJeL0K4Vcy6cGNpthXpxREjB/hf9smpcY1f/vAlRUdHtthVzDbAZCqcuQa1f7G fpFw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1738190548; x=1738795348; 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=Wwa6fsXZRK5gAo5OnSYVBrwDMxNqaUw9sa9Xi3hrPeg=; b=wxbTlrfa4qQKNQ9gOzd696IJdP6bTb9FNQ5W5ChmUAzABbkPmmGgS/KnW68iaYYrzm 46L7dqgF4KWjzPTbwmyb7HGlEGFiTQReNnJ4N8s1E6s/0EH2D9F3md9aSllHYxfg8Ysm mUR3Mv7cf+NRFnkmKfVc+JIBy9bng8UGEtQRMunxPfTNHwI8bQ1LjJlXS7bByQtxv24d k68YUVPGQyyEd7K5pi2ibvKM1rwMsYYVMXB8n1jjI+Nb0N1vfqe7ueVeddRyQljQn6ny GBXjr7+afa+qkXZ7gseoyx9yoqKEjR43cwYtTAzaDUCeRkyrnv1NZBg5M8vxan/OD9N/ mVjg== X-Forwarded-Encrypted: i=1; AJvYcCWZ4dmImTfMvZgZt2SvcP1WnktwbFX23P17lktCynyD4HT1k6xlk7Wb409h/dsSnslCRgyL+VTaLK8oxEg=@vger.kernel.org X-Gm-Message-State: AOJu0YwWd2JzxO8XfRtsY21OqnvhsHSYXTqfPMc8lWfQ9uRTKjtdVr7b tvhw8qqY3bpmR+iyj6lZaSSuhYlRs0/zrNjauASlWnTu2YLtqD8s00UJrAlmYqkOAFLnUw== X-Google-Smtp-Source: AGHT+IF59vnW7g2LrX0k3OPFChcYieeAbAKwK+MeTYrxX422BkPNegPy+HquNkgn402HeoagQo0/5oe0 X-Received: from pfbcn10.prod.google.com ([2002:a05:6a00:340a:b0:728:e76c:253f]) (user=fvdl job=prod-delivery.src-stubby-dispatcher) by 2002:a05:6a00:2e88:b0:725:df1a:288 with SMTP id d2e1a72fcca58-72fd0c74f49mr8427084b3a.24.1738190548297; Wed, 29 Jan 2025 14:42:28 -0800 (PST) Date: Wed, 29 Jan 2025 22:41:36 +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: <20250129224157.2046079-8-fvdl@google.com> Subject: [PATCH v2 07/28] 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, 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" 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 196359254cfb..20d54eaf2bad 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