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 X-Spam-Level: X-Spam-Status: No, score=-2.3 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 54C83C43331 for ; Thu, 5 Sep 2019 15:06:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A750520870 for ; Thu, 5 Sep 2019 15:06:30 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="e+UAEUh5" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390240AbfIEPG3 (ORCPT ); Thu, 5 Sep 2019 11:06:29 -0400 Received: from mail-wr1-f65.google.com ([209.85.221.65]:46625 "EHLO mail-wr1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387659AbfIEPG3 (ORCPT ); Thu, 5 Sep 2019 11:06:29 -0400 Received: by mail-wr1-f65.google.com with SMTP id h7so3187104wrt.13; Thu, 05 Sep 2019 08:06:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=FUgWccw0woyG2e6M/7x469teGzAXAKjM5wym+f71oLU=; b=e+UAEUh5SHxW1D8bYZCGYrbModyU/OXU3yDAxz4voldJsEaZQEXtvsXWm7v+9pAkGF BJLTEX3dqNCBTw3qdGwjqLCbuLEUWwbYKZyfPDwt9GCwykySJwxjaUTa4ouNKatSzYd5 rHct195PnDwraMfmIPVbFnRoRLla15Km3O20FqlIZSLWwLpKJr/IKyvy3WdIqGhtVVNp REu46XBQy4Ch90jVs9csNzj3+PiLgwZ6422f40CqfBdy7ZbucEcgsed1OYIi04xP7j3L Yu3b+6pcITEPKPoEHElO/hI8qe8GyIEit60LnC0rGRGmCOspPYitYB2bnsJpU8GryxgH YTeg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=FUgWccw0woyG2e6M/7x469teGzAXAKjM5wym+f71oLU=; b=Sra2ZNGrg5XFY0GWSs4PzEVdLuNgXr6663g03K3mU3w0yqZEJCaIc3JAwVCR64bWz8 bQ+NyizskAVxTn0pyBOebS1whZ9mOld+BT2p2JeXKPvonXE98Kt8TYpCqIzcgBjSgpeC lBKuWx/JimPiUSlDm5d9EzgKYGZYUJka8BaGwFwKFoR8CsPMfYqFqa1meq6KSDMV1w+y N/nPjWd8wHv0dMYWU6DxG/zCjthshiAR/Yn4H3xkIYLpzAGX3Bn0lR9VTPuKPLNIZ7qy vf99Lbmz6+BlYW96OJzWfzKFUuX/zWJeRRlTAN1UfzZWIc8sAZ18FoHHsSkZOLCtr42i wjxQ== X-Gm-Message-State: APjAAAVrAKHQrrds9tUjEQRL+j7q0qhZN6eB3s1U/rsp/eIRtorgk3sL Lf5XKnUl3I+ZCmZMA2lVDCE= X-Google-Smtp-Source: APXvYqzOItE1cvzLVy+eSPRwJEMTk3j5+XdfCLAUzFZEoTLNy6oDpYOIt9n+79BqphySIrPpLua5gg== X-Received: by 2002:a5d:4649:: with SMTP id j9mr2995539wrs.193.1567695986780; Thu, 05 Sep 2019 08:06:26 -0700 (PDT) Received: from [192.168.8.147] (163.175.185.81.rev.sfr.net. [81.185.175.163]) by smtp.gmail.com with ESMTPSA id z5sm2501262wrl.33.2019.09.05.08.06.24 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 05 Sep 2019 08:06:25 -0700 (PDT) Subject: Re: [PATCH] net/skbuff: silence warnings under memory pressure To: Qian Cai , Eric Dumazet , Sergey Senozhatsky Cc: Sergey Senozhatsky , Michal Hocko , davem@davemloft.net, netdev@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Petr Mladek , Steven Rostedt References: <20190903132231.GC18939@dhcp22.suse.cz> <1567525342.5576.60.camel@lca.pw> <20190903185305.GA14028@dhcp22.suse.cz> <1567546948.5576.68.camel@lca.pw> <20190904061501.GB3838@dhcp22.suse.cz> <20190904064144.GA5487@jagdpanzerIV> <20190904065455.GE3838@dhcp22.suse.cz> <20190904071911.GB11968@jagdpanzerIV> <20190904074312.GA25744@jagdpanzerIV> <1567599263.5576.72.camel@lca.pw> <20190904144850.GA8296@tigerII.localdomain> <1567629737.5576.87.camel@lca.pw> <165827b5-6783-f4f8-69d6-b088dd97eb45@gmail.com> <1567692555.5576.91.camel@lca.pw> From: Eric Dumazet Message-ID: <5b4b16b1-caf9-ceff-43a4-635489d6ac66@gmail.com> Date: Thu, 5 Sep 2019 17:06:23 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: <1567692555.5576.91.camel@lca.pw> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 9/5/19 4:09 PM, Qian Cai wrote: > > I feel like you may not follow the thread closely. There are more details > uncovered in the last few days and narrowed down to the culprits. > I have followed the thread closely, thank you very much. I am happy that the problem is addressed as I suggested. Ie not individual patches adding selected __GFP_NOWARN.