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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 1245AC433FE for ; Tue, 22 Nov 2022 16:05:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=0+xfYS/683CuEX8Moz7DN5D+iq5a+HRddPc04OAxt08=; b=Tg4k3y0x1CKele3vQBc2OnNRb/ suqXVyFInx2to2j5OH5IMsj/BH/9ZOBbCfLGyQJaAnctDs3LBQCol+upKRQDT9yEukD7mKQxnwjM0 kelkBhCYxJtjS/C9OHJiMdFbYhjp5dI3x8+htH6UiPaO1rQmxbchsYskapK+qcYG/rJJxfdCqauyW JpItE3le5KDIrTIu5AfvOgYw+AGM9Zar1S7C+1/qfxP4VRCXvM47mPUvGOLK+m5BOvItGR93S1Du6 eHQ1+aidfNyFSdNxM6xhjdlsGqgGuFzCElcWsbVQHr6ZeDLbM2qEXqBjk9/5uV2mZyIjm6CJ/vK2x cm7igEeA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oxVm2-00Aa7w-28; Tue, 22 Nov 2022 16:05:26 +0000 Received: from mail-io1-xd30.google.com ([2607:f8b0:4864:20::d30]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oxEXJ-000Uea-Q2 for linux-nvme@lists.infradead.org; Mon, 21 Nov 2022 21:41:09 +0000 Received: by mail-io1-xd30.google.com with SMTP id 11so9668219iou.0 for ; Mon, 21 Nov 2022 13:41:02 -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=bx4zgzcV0dhKNMkZi/bgZQOv+MzUUtKz0slNSgXi7FH/R1M4aYzVcoidwQcfvKBdbd hWDwxsNebtx9ZGLHWdpURtpmT0ynBzd1evcfniPcYSF5IRjf+Rt6ABPWhyL1K6MYIJl/ gn8XcxA8ZIBKRygV/4ELovCxYlzXLXcldrz0cUr1yM78wqdD9BSh8+3DAeIyI8Nj+Ip6 DMslT47Bp7deb+koPNPTMoTD4fBICiATiDu/FKD/UiFuIuif0uSMnolLMG829pAnkU66 QPIXEKHmHOeLSkTyv6n4DKuTPmr/DembQp6FtyN/+Fns2/0HxS2rMJiM07A865c38VGr Of3Q== X-Gm-Message-State: ANoB5plreq5qJoT0pREzBuF4c3CS1t89GPZI2p8QEbMTyKHFxSVI8lHn bDiDdTJb64XpFsrSROLF4bukpA== 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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221121_134105_881182_0AF5760B X-CRM114-Status: GOOD ( 13.79 ) X-Mailman-Approved-At: Tue, 22 Nov 2022 08:05:24 -0800 X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.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