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 EE5D5C433FE for ; Mon, 21 Nov 2022 21:41:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231773AbiKUVlV (ORCPT ); Mon, 21 Nov 2022 16:41:21 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58794 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231709AbiKUVlR (ORCPT ); Mon, 21 Nov 2022 16:41:17 -0500 Received: from mail-io1-xd33.google.com (mail-io1-xd33.google.com [IPv6:2607:f8b0:4864:20::d33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 62A1DD2F78 for ; Mon, 21 Nov 2022 13:41:01 -0800 (PST) Received: by mail-io1-xd33.google.com with SMTP id e189so9649364iof.1 for ; Mon, 21 Nov 2022 13:41:01 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=google; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=0+xfYS/683CuEX8Moz7DN5D+iq5a+HRddPc04OAxt08=; b=Tmrax2HtLx9acijQh4ktOiCFNspYBm9czQO9vC+hgh16yhXiq5RyvSKc/8X48Yn6bo htTajxPPiW0Lsmr5jl6ZJh1+6V/m5ChitgOSpS6KBQ7ll5X5P1skZcbsej2h/DApNnIq u0xC1JtTdPPMF5q+wPkS1LuhqaXUemqkmRceA= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=0+xfYS/683CuEX8Moz7DN5D+iq5a+HRddPc04OAxt08=; b=DApSxYwSmEWOMecJn6g3GmUtu8xYoTHVMTq5XYuKNSmgzjtkYerf9Y7n56QsvMQTMH CZ/s6kT7nR5AnZ95tGBkrTh5PKTGvB2oBvHpinIsxY9S/wU0wLZC9NZaTAB/4CvJVFfe Jx5NWn9wdqVzz+AseIbZIoq/eht1jpiyP+W9jlNRJRCqASzfX2urW00r1lyvqfEVTvNH +Av5JmW/Z4yrD3EvbLNKkIqfRiZWNKx3fh8/Dcr50jvLWOByAjajNqUWhjr57x0XLRCg 46W7yc8imkPksRZLJa8HL8FC4rjoPxEYtWx0P8kuOEOo55gt77rrnLvyLz9JLkizxtGB whYA== X-Gm-Message-State: ANoB5pmtvN2K01A6312szYoSK4hOA0Jt4udAq9fy3NFp9HO8/wE1EvgB t4yXNMRwvtB+RkkjjlDZV6j5Sw== X-Google-Smtp-Source: AA0mqf4lOq6werVuvT/Ru0/037+ZZBKwQ9dV2Uvyt9oiXBE03aeSGMACS9M8fMwvTL7wgcvnDkeJPA== X-Received: by 2002:a05:6638:3786:b0:363:b82d:d510 with SMTP id w6-20020a056638378600b00363b82dd510mr9070708jal.112.1669066860689; Mon, 21 Nov 2022 13:41:00 -0800 (PST) Received: from [192.168.1.128] ([38.15.45.1]) by smtp.gmail.com with ESMTPSA id w11-20020a056638024b00b0037609ad8485sm4704611jaq.69.2022.11.21.13.40.57 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 21 Nov 2022 13:40:59 -0800 (PST) Message-ID: <4585e331-03ad-959f-e715-29af15f63712@linuxfoundation.org> Date: Mon, 21 Nov 2022 14:40:56 -0700 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.4.2 Subject: Re: [PATCH v1 2/3] Treewide: Stop corrupting socket's task_frag Content-Language: en-US To: Benjamin Coddington , David Howells Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Philipp Reisner , Lars Ellenberg , =?UTF-8?Q?Christoph_B=c3=b6hmwalder?= , Jens Axboe , Josef Bacik , Keith Busch , Christoph Hellwig , Sagi Grimberg , Lee Duncan , Chris Leech , Mike Christie , "James E.J. Bottomley" , "Martin K. Petersen" , Valentina Manea , Shuah Khan , Greg Kroah-Hartman , Marc Dionne , Steve French , Christine Caulfield , David Teigland , Mark Fasheh , Joel Becker , Joseph Qi , Eric Van Hensbergen , Latchesar Ionkov , Dominique Martinet , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Ilya Dryomov , Xiubo Li , Trond Myklebust , Anna Schumaker , Chuck Lever , Jeff Layton , drbd-dev@lists.linbit.com, linux-block@vger.kernel.org, nbd@other.debian.org, linux-nvme@lists.infradead.org, open-iscsi@googlegroups.com, linux-scsi@vger.kernel.org, linux-usb@vger.kernel.org, linux-afs@lists.infradead.org, linux-cifs@vger.kernel.org, samba-technical@lists.samba.org, cluster-devel@redhat.com, ocfs2-devel@oss.oracle.com, v9fs-developer@lists.sourceforge.net, ceph-devel@vger.kernel.org, linux-nfs@vger.kernel.org, Shuah Khan References: <382872.1669039019@warthog.procyon.org.uk> <51B5418D-34FB-4E87-B87A-6C3FCDF8B21C@redhat.com> From: Shuah Khan In-Reply-To: <51B5418D-34FB-4E87-B87A-6C3FCDF8B21C@redhat.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org On 11/21/22 07:34, Benjamin Coddington wrote: > On 21 Nov 2022, at 8:56, David Howells wrote: > >> Benjamin Coddington wrote: >> >>> Since moving to memalloc_nofs_save/restore, SUNRPC has stopped setting the >>> GFP_NOIO flag on sk_allocation which the networking system uses to decide >>> when it is safe to use current->task_frag. >> >> Um, what's task_frag? > > Its a per-task page_frag used to coalesce small writes for networking -- see: > > 5640f7685831 net: use a per task frag allocator > > Ben > > I am not seeing this in the mainline. Where can find this commit? thanks, -- Shuah