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=-0.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS 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 490EDC43331 for ; Tue, 31 Mar 2020 15:25:38 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id F313B20786 for ; Tue, 31 Mar 2020 15:25:37 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=chrisdown.name header.i=@chrisdown.name header.b="MX3Slhqt" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org F313B20786 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=chrisdown.name Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 9EF536B0070; Tue, 31 Mar 2020 11:25:37 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 99FAC6B0071; Tue, 31 Mar 2020 11:25:37 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 8B5576B0072; Tue, 31 Mar 2020 11:25:37 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0008.hostedemail.com [216.40.44.8]) by kanga.kvack.org (Postfix) with ESMTP id 6FB726B0070 for ; Tue, 31 Mar 2020 11:25:37 -0400 (EDT) Received: from smtpin27.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id 2131752A6 for ; Tue, 31 Mar 2020 15:25:37 +0000 (UTC) X-FDA: 76656031914.27.blow34_30f1c4dc0720a X-HE-Tag: blow34_30f1c4dc0720a X-Filterd-Recvd-Size: 2988 Received: from mail-wr1-f67.google.com (mail-wr1-f67.google.com [209.85.221.67]) by imf07.hostedemail.com (Postfix) with ESMTP for ; Tue, 31 Mar 2020 15:25:36 +0000 (UTC) Received: by mail-wr1-f67.google.com with SMTP id d5so26583198wrn.2 for ; Tue, 31 Mar 2020 08:25:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chrisdown.name; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=YTzVrLlnv/U861L9j2OH30y80LBa/uThEvzXvP/gh2c=; b=MX3SlhqtOgu7+xXPL0VtCywalercn8WvcRrstjEE7UrqsuB7MOfCn54non2gPg5X59 uLet+fnVhtkcLmoWl91/g5RA8oxVdZsQT8JOjXegkF08l25QW2YHmBU2fGuolcm2oQCG THSGdBz4PAgk6GtfOmO2lXmtTDQFqofruA8cA= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=YTzVrLlnv/U861L9j2OH30y80LBa/uThEvzXvP/gh2c=; b=B+3K9VgsHJwRo7pnbWvJ2u4rohVYOhDG7tNQRLhsTIvrJQvI+qapH2lnRwFg0Hr1bF vJwu7Ok6b3/OzLUvtJWX6CFK4S02R3Dq5GY5cQoAEJDrvq8HpPD2yUits+Y51AKRTC7j iGIONaL5Z0LYJEF8Jcw5nME8OT6u4NQerYx8euzQ7mLUhqF7v22Oph8Nxvb/zG2srAOp Gld8A8KXhCWrak/eCRBBioxnnllZRRpeb/6MR9y6pqWtoptXA6J+Umul1K1AzL/5oDyP Rh6OdyrH8+GrdO06j8nfJ7n/6jkOhYBwV/jv1A/S93ZuOOvnlzd4roBeAcCgKGTKgttW p81Q== X-Gm-Message-State: ANhLgQ2fn7EUMpznkX8ASPCSPntFzKr93cVKAuJ4nlj+f4jc15rq7bsj IAOLD5mfd+s45ZEfeZD2U5i70g== X-Google-Smtp-Source: ADFU+vtwJF1/nQQsqo4I3dRj5KZv3ZcoTKSDqx3vwC8HQz+R1N9Nja42TBa60n4K9gVoKNdsr+oLCw== X-Received: by 2002:adf:f68b:: with SMTP id v11mr20090187wrp.270.1585668335013; Tue, 31 Mar 2020 08:25:35 -0700 (PDT) Received: from localhost ([2620:10d:c092:180::1:27bd]) by smtp.gmail.com with ESMTPSA id u22sm4278976wmu.43.2020.03.31.08.25.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 31 Mar 2020 08:25:34 -0700 (PDT) Date: Tue, 31 Mar 2020 16:25:34 +0100 From: Chris Down To: Andrew Morton Cc: Johannes Weiner , Jakub Kicinski , linux-mm@kvack.org, cgroups@vger.kernel.org, linux-kernel@vger.kernel.org, kernel-team@fb.com Subject: Re: [PATCH] mm, memcg: Do not high throttle allocators based on wraparound Message-ID: <20200331152534.GA972283@chrisdown.name> References: <20200331152424.GA1019937@chrisdown.name> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: <20200331152424.GA1019937@chrisdown.name> X-Bogosity: Ham, tests=bogofilter, spamicity=0.000011, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Andrew, this is a pretty bad one that could definitely affect memory.high users. We should probably expedite it going in. Sorry for the trouble, especially on a -stable patch...