From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D3B8CC433FE for ; Fri, 30 Sep 2022 01:50:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230111AbiI3Bu0 (ORCPT ); Thu, 29 Sep 2022 21:50:26 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39514 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230072AbiI3BuW (ORCPT ); Thu, 29 Sep 2022 21:50:22 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E350EFADB9; Thu, 29 Sep 2022 18:50:16 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 7F94062209; Fri, 30 Sep 2022 01:50:15 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id CA323C433D6; Fri, 30 Sep 2022 01:50:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1664502614; bh=U/wl4sfOCbRmnbRe8Qdj9wn6w23xnk8ijjxkRXD1rvs=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=DytHIQjq7M7MQq1AAM0pvvoqGiynchRzt5mXZorP9D7gLRbq0TxD5z34vdqaXUxoF 5qZNxgkz7VdGAAwV9v3LNHs6Hxvj0nid/aE+vKftVw4vCBYIH4VdXEdJbIOKoH1ZZt nKEVlEt56HsJ9JFvgCMZwslcw7MH8AvUbPlUvI14lgHX0xfU7JN/MnqU5kDUY2Vb1J zyG3aBCj9R3AIZk1ytQEAXcJNG+ECVTcdWInXlEXShd+ZUdKWv4J34/JY6pegdp7Tw quBDWGW8k8DJdI9xdscmkMCAASb7XGUCdK8eueTQMX29Yy39WSbTXAzn7Osps68Ne5 /EG83Z+zxlrMA== 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 A9496C395DA; Fri, 30 Sep 2022 01:50:14 +0000 (UTC) Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH] vhost/vsock: Use kvmalloc/kvfree for larger packets. From: patchwork-bot+netdevbpf@kernel.org Message-Id: <166450261468.15562.8337973902056212950.git-patchwork-notify@kernel.org> Date: Fri, 30 Sep 2022 01:50:14 +0000 References: <20220928064538.667678-1-uekawa@chromium.org> In-Reply-To: <20220928064538.667678-1-uekawa@chromium.org> To: =?utf-8?b?SnVuaWNoaSBVZWthd2EgKOS4iuW3nee0lOS4gCkgPHVla2F3YUBjaHJvbWl1bS5v?=@ci.codeaurora.org, =?utf-8?b?cmc+?=@ci.codeaurora.org Cc: stefanha@redhat.com, sgarzare@redhat.com, jasowang@redhat.com, edumazet@google.com, davem@davemloft.net, netdev@vger.kernel.org, kuba@kernel.org, virtualization@lists.linux-foundation.org, kvm@vger.kernel.org, mst@redhat.com, pabeni@redhat.com, linux-kernel@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org Hello: This patch was applied to netdev/net.git (master) by Jakub Kicinski : On Wed, 28 Sep 2022 15:45:38 +0900 you wrote: > When copying a large file over sftp over vsock, data size is usually 32kB, > and kmalloc seems to fail to try to allocate 32 32kB regions. > > Call Trace: > [] dump_stack+0x97/0xdb > [] warn_alloc_failed+0x10f/0x138 > [] ? __alloc_pages_direct_compact+0x38/0xc8 > [] __alloc_pages_nodemask+0x84c/0x90d > [] alloc_kmem_pages+0x17/0x19 > [] kmalloc_order_trace+0x2b/0xdb > [] __kmalloc+0x177/0x1f7 > [] ? copy_from_iter+0x8d/0x31d > [] vhost_vsock_handle_tx_kick+0x1fa/0x301 [vhost_vsock] > [] vhost_worker+0xf7/0x157 [vhost] > [] kthread+0xfd/0x105 > [] ? vhost_dev_set_owner+0x22e/0x22e [vhost] > [] ? flush_kthread_worker+0xf3/0xf3 > [] ret_from_fork+0x4e/0x80 > [] ? flush_kthread_worker+0xf3/0xf3 > > [...] Here is the summary with links: - vhost/vsock: Use kvmalloc/kvfree for larger packets. https://git.kernel.org/netdev/net/c/0e3f72931fc4 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html