From nobody Fri Dec 19 17:43:34 2025 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 C7CAA27FE7F for ; Fri, 28 Feb 2025 18:29:59 +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=1740767401; cv=none; b=dgX9AU5JjmqjrGGQEQ/LBAQtNd0TVUgF6+1/pSazQ+PjGdii6SaFeq2lCF2tU66nuhTSrKR8cf8PjLHoerMLkeMUDtZkkO157qL1GNXAS5dzFmGpEOvqvQQwAdfsaZiZzWIHkBk5FOMkdul9jBdbJbJAmKBMk4l12vaVDZUmovw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740767401; c=relaxed/simple; bh=uXyYOXDU0aeoS4KbS7TXHQWHQaLj/wkyH4OQB/o5oDA=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=VHLQ2BFQGUDvettxR8M5zwH9cysR1xMstEzcm1ylMBWYFvF3OFY4trAsqMtdVb9BrmF6H5H/UaaExED/SBoUQLjWoHUNT/Bi/aJbCTGNDTYQRFa7IGE9ezhdyhH83CftpmTHi5q61PKBfPDfA5PEpMJnCQG1FBH1JGZoARGAURA= 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=rDSlDzTH; 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="rDSlDzTH" Received: by mail-pj1-f73.google.com with SMTP id 98e67ed59e1d1-2feb8d29740so2891793a91.1 for ; Fri, 28 Feb 2025 10:29:59 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1740767399; x=1741372199; 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=OPcdQrMWcNv7Zau8OEpT7S16MfDg/G7TA8+N5ucsG+E=; b=rDSlDzTHiXd6EMUONnN34Uy0gllSgpx9iZFcAbgZ4ofKQyFpRtevOnUrIbNw9x+oGS 0QCornZaRPRxBmRoM9ZiWWE51YZB0ktLgd9DfhUsQTPO+lxqUYxy+tu3Cxqp3ag3tMBo DckBWJGiwt4Sa70OjdVIP+la5m4zpvw3NhQ6quq+c7lsLcH+E62x458H5enxTPYi1LCq IHllIdRjD8PONggtA6e+eSxfkXYqzfSBzVf2q4fL9XXd6qt/OqVK7ewQFhP8tCzQ1NH3 /MBgB0diENryszCQKhjvczoFOYRMKw0KceQk5P5U+ZRDER5Y/sWh3bpdUZloCZkB/mKv +DBg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1740767399; x=1741372199; 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=OPcdQrMWcNv7Zau8OEpT7S16MfDg/G7TA8+N5ucsG+E=; b=W4VtIZpBEnhKO1cWpvWPuL+IiVDf/Du2n6IuHsdxJ71gFgHLJPZ+nA+ASXT6KDlNyl HmtDw78jPxtmP20PlDou9YkwllM4ARaIKMgOfWYitR1QboWPcku+Meg+X4hGn5cfT7If jgvQWgXpkMnmwc3CpVW5XJOHK8/RyaObjYFDi3HchjAQ659YClaWFlVeHdxrHkd2Edim RtiJzgiipkN+KsbCFiVuvAWGyYGNzfD+ATWayqNwJW3z5+E40VKl55MelqUk0AxatOvt S9Ob1EW410BYYcfWARDZJZCzsp1LnzQ1hKT2ODQOeO6JHGCzCca5+Osmp+ffLDpoMc6K f/eQ== X-Forwarded-Encrypted: i=1; AJvYcCU1JcqDl9hNJlcGGeExTfArQKMd7poLr7RyXagBo+1mRVT/nLy3buMRAPJI1vtc1Tfax3uw1upm5D3BbFg=@vger.kernel.org X-Gm-Message-State: AOJu0Yz1CRculjq5gmgY2kwLJ9sD/BdcfXL2kti9e63gl1hiMavqpvkE fNEnucWJK+I6yVDA4xyLm4Lr6zZeYh/Cu/138rSxHOV7VAOwU6/LKoMRtpk2Dkw7PkBOrw== X-Google-Smtp-Source: AGHT+IEc3NQ9Go14+cTqU/Rv73CdPaJm8EFFQ8SG1wAZVrkhFUHYZ37HYVGqfmxLOr8BdLrKJjaxUlZ8 X-Received: from pjur6.prod.google.com ([2002:a17:90a:d406:b0:2fc:ccfe:368]) (user=fvdl job=prod-delivery.src-stubby-dispatcher) by 2002:a17:90b:2fc7:b0:2ef:31a9:95c6 with SMTP id 98e67ed59e1d1-2febab5bf2fmr7679905a91.14.1740767399073; Fri, 28 Feb 2025 10:29:59 -0800 (PST) Date: Fri, 28 Feb 2025 18:29:07 +0000 In-Reply-To: <20250228182928.2645936-1-fvdl@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250228182928.2645936-1-fvdl@google.com> X-Mailer: git-send-email 2.48.1.711.g2feabab25a-goog Message-ID: <20250228182928.2645936-7-fvdl@google.com> Subject: [PATCH v5 06/27] 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, usamaarif642@gmail.com, joao.m.martins@oracle.com, roman.gushchin@linux.dev, ziy@nvidia.com, david@redhat.com, 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 d6d7ebc75b86..0592c076cd36 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); @@ -4546,8 +4546,8 @@ 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 2.48.1.711.g2feabab25a-goog