From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CAA9D13A86C for ; Fri, 29 Mar 2024 19:30:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711740633; cv=none; b=iyTBQ+V37eEcIy9aN2ghR6LPdPYZ2QoFAxcfsi3NrBR5/q8avEvranL1/iELCPHxTnaNRk7sNh0e2F1ZUhKo8ZqejUm44lP7d+zouLD/IuiZdh1ZxaNuMCd1uptAz3Z8JL1miW9YtBrZIur723eI1MbC4/4Q27fTDkaGr6J8bGI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711740633; c=relaxed/simple; bh=PAlduHF3Km5SgUEsC4ADkK2lgC54Y2AIhKpwrYsW3cA=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=US3/QQLEORVZx8Dk/S/AZd+zpJVrpH0THVFFc6eMoi5WqERJPrTtYf1DrawcpDKCKvHHEbXabNxiiE2dBdRXmgt/3EslyituRIfGlRv+Kh6xLP/V3ybEZsfFeDcvlYze1sSUuO9NhS5toYC1He8NSb9dAgquyUhCGeL66bt78S4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=GISlnzX4; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="GISlnzX4" Received: by smtp.kernel.org (Postfix) with ESMTPS id 4DCB3C43601; Fri, 29 Mar 2024 19:30:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1711740633; bh=PAlduHF3Km5SgUEsC4ADkK2lgC54Y2AIhKpwrYsW3cA=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=GISlnzX4ziWWSAZ87Z9N7wb6Z/+nJ11uGRdjng32IFnjYLKd9i5Ge8w3v3KMpsrKp F0wQwlAop1ZA/VXE3aNgd8FjjHgobrVZWiNkNASwnrpMyQ30vZuAILGRLEuX/tIy3b Ipcxx6QP7hAw/+C9seRRXQLtn7yGiHdBdhlzbdJNwcY/3vijGCRgihob+q4GNtA1hA XJkotICXdtiq3xpLp/e4hC4rsUdFcrmm4FNthY6WEe1ida7Xclg+tLI+3vU0yGTSpx P0eF8dNN3lIS1jCwLefUyRFIk1Y882dlYGhoY3c6E+w+Q9xznKLvmavmBwOoV7k5Rm Jq9U1ukKWLtpw== Received: from aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (localhost.localdomain [127.0.0.1]) by aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (Postfix) with ESMTP id 3CE6AD2D0EB; Fri, 29 Mar 2024 19:30:33 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net-next v2] devlink: use kvzalloc() to allocate devlink instance resources From: patchwork-bot+netdevbpf@kernel.org Message-Id: <171174063324.18563.6675369360892435443.git-patchwork-notify@kernel.org> Date: Fri, 29 Mar 2024 19:30:33 +0000 References: <20240327082128.942818-1-wenjian1@xiaomi.com> In-Reply-To: <20240327082128.942818-1-wenjian1@xiaomi.com> To: Jian Wen Cc: jiri@mellanox.com, aleksander.lobakin@intel.com, edumazet@google.com, davem@davemloft.net, wenjian1@xiaomi.com, netdev@vger.kernel.org Hello: This patch was applied to netdev/net-next.git (main) by Jakub Kicinski : On Wed, 27 Mar 2024 16:21:28 +0800 you wrote: > During live migration of a virtual machine, the SR-IOV VF need to be > re-registered. It may fail when the memory is badly fragmented. > > The related log is as follows. > > Mar 1 18:54:12 kernel: hv_netvsc 6045bdaa-c0d1-6045-bdaa-c0d16045bdaa eth0: VF slot 1 added > ... > Mar 1 18:54:13 kernel: kworker/0:0: page allocation failure: order:7, mode:0x40dc0(GFP_KERNEL|__GFP_COMP|__GFP_ZERO), nodemask=(null),cpuset=/,mems_allowed=0 > Mar 1 18:54:13 kernel: CPU: 0 PID: 24006 Comm: kworker/0:0 Tainted: G E 5.4...x86_64 #1 > Mar 1 18:54:13 kernel: Hardware name: Microsoft Corporation Virtual Machine/Virtual Machine, BIOS 090008 12/07/2018 > Mar 1 18:54:13 kernel: Workqueue: events work_for_cpu_fn > Mar 1 18:54:13 kernel: Call Trace: > Mar 1 18:54:13 kernel: dump_stack+0x8b/0xc8 > Mar 1 18:54:13 kernel: warn_alloc+0xff/0x170 > Mar 1 18:54:13 kernel: __alloc_pages_slowpath+0x92c/0xb2b > Mar 1 18:54:13 kernel: ? get_page_from_freelist+0x1d4/0x1140 > Mar 1 18:54:13 kernel: __alloc_pages_nodemask+0x2f9/0x320 > Mar 1 18:54:13 kernel: alloc_pages_current+0x6a/0xb0 > Mar 1 18:54:13 kernel: kmalloc_order+0x1e/0x70 > Mar 1 18:54:13 kernel: kmalloc_order_trace+0x26/0xb0 > Mar 1 18:54:13 kernel: ? __switch_to_asm+0x34/0x70 > Mar 1 18:54:13 kernel: __kmalloc+0x276/0x280 > Mar 1 18:54:13 kernel: ? _raw_spin_unlock_irqrestore+0x1e/0x40 > Mar 1 18:54:13 kernel: devlink_alloc+0x29/0x110 > Mar 1 18:54:13 kernel: mlx5_devlink_alloc+0x1a/0x20 [mlx5_core] > Mar 1 18:54:13 kernel: init_one+0x1d/0x650 [mlx5_core] > Mar 1 18:54:13 kernel: local_pci_probe+0x46/0x90 > Mar 1 18:54:13 kernel: work_for_cpu_fn+0x1a/0x30 > Mar 1 18:54:13 kernel: process_one_work+0x16d/0x390 > Mar 1 18:54:13 kernel: worker_thread+0x1d3/0x3f0 > Mar 1 18:54:13 kernel: kthread+0x105/0x140 > Mar 1 18:54:13 kernel: ? max_active_store+0x80/0x80 > Mar 1 18:54:13 kernel: ? kthread_bind+0x20/0x20 > Mar 1 18:54:13 kernel: ret_from_fork+0x3a/0x50 > > [...] Here is the summary with links: - [net-next,v2] devlink: use kvzalloc() to allocate devlink instance resources https://git.kernel.org/netdev/net-next/c/730fffce4fd2 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html