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 D4969C433DF for ; Wed, 20 May 2020 23:49:59 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 925F32072C for ; Wed, 20 May 2020 23:49:59 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=chrisdown.name header.i=@chrisdown.name header.b="cVDVhHg2" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 925F32072C 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 3AB8080009; Wed, 20 May 2020 19:49:59 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 33567900002; Wed, 20 May 2020 19:49:59 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 1FC6180009; Wed, 20 May 2020 19:49:59 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0047.hostedemail.com [216.40.44.47]) by kanga.kvack.org (Postfix) with ESMTP id 0478F900002 for ; Wed, 20 May 2020 19:49:58 -0400 (EDT) Received: from smtpin10.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id BC66D181AEF0B for ; Wed, 20 May 2020 23:49:58 +0000 (UTC) X-FDA: 76838742876.10.flame99_5716c7634752f X-HE-Tag: flame99_5716c7634752f X-Filterd-Recvd-Size: 3462 Received: from mail-ed1-f66.google.com (mail-ed1-f66.google.com [209.85.208.66]) by imf24.hostedemail.com (Postfix) with ESMTP for ; Wed, 20 May 2020 23:49:58 +0000 (UTC) Received: by mail-ed1-f66.google.com with SMTP id e10so5207377edq.0 for ; Wed, 20 May 2020 16:49:58 -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=RUfnz+3+Nkh58pbHAS8sjZcUPVeApODwUMmXr4NI2ZY=; b=cVDVhHg2q1D6nCUuevO4L9GrF42LCXBhesqGp2oqY+Szm4s6/HGyDkVnnMedHOHVZK LykgwAJlryPBcvuXF2ra2GGQUtGGoixKRuBRkoY1hdDKfDap9f7d9cIDRAT5LFl2IHF2 KeOEFtHXVSe0jQ+iHUDUT/yqM7+JGeJa+akrM= 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=RUfnz+3+Nkh58pbHAS8sjZcUPVeApODwUMmXr4NI2ZY=; b=uKCF3YCiMQ3TtO+/bt70TC60QuPgfC2nu4NyTGPz8fzII9Wo2XRBQQMWgG/JDiBszt HzCpUAhSyWs0JH02TFkFc+zoTUPv3pBtrLTY0jD3sWHhEiZzMIfQRk+TqQvCi7j3+Wmr q489l7YXpLA8+IgnYYPaLTRW7HiPK76PI2cigj3ycutZiMz/2F7LfvkKVnMKcQZUG4bi 6gAOjvEAnidRrtSsFGkYU/aMSIWt+C3t9q3U5C7tehlc8LYJeIkcqHWjrIJjDNa+7diw MUYevJuL0QkQ8ED2aNxeVgfv1VYsFCQ9fmNUn8u1TCH32cV3+LNL2MeoCf03d/86ERER gcbg== X-Gm-Message-State: AOAM530NnRyHp5ovzg8E6+2TqgRuEfdl8VWMGoj62r2qS74VMMtC6+kv 9SO4YUkaX1V7qBfh1cEYybc7ww== X-Google-Smtp-Source: ABdhPJznwU1I3lqQRpLIzH8obpgeUm97jbOZSvYmp+dcp94Vi9i1I3/6JvVjoaU3Frm22nn60f3clw== X-Received: by 2002:a50:b586:: with SMTP id a6mr5514320ede.292.1590018597141; Wed, 20 May 2020 16:49:57 -0700 (PDT) Received: from localhost ([2620:10d:c093:400::5:4262]) by smtp.gmail.com with ESMTPSA id x8sm3268142edj.53.2020.05.20.16.49.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 20 May 2020 16:49:56 -0700 (PDT) Date: Thu, 21 May 2020 00:49:56 +0100 From: Chris Down To: Andrew Morton Cc: Johannes Weiner , Michal Hocko , linux-mm@kvack.org, cgroups@vger.kernel.org, linux-kernel@vger.kernel.org, kernel-team@fb.com Subject: Re: [PATCH] mm, memcg: unify reclaim retry limits with page allocator Message-ID: <20200520234956.GA892595@chrisdown.name> References: <20200520163142.GA808793@chrisdown.name> <20200520164037.e3598bc902e39415f4c263e7@linux-foundation.org> <20200520164243.56133fa135f65cc708e70ec0@linux-foundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: <20200520164243.56133fa135f65cc708e70ec0@linux-foundation.org> X-Bogosity: Ham, tests=bogofilter, spamicity=0.000006, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Hey Andrew, Andrew Morton writes: >Ah, my habit of working in reverse time order sometimes does this ;) > >I suggest that "mm, memcg: reclaim more aggressively before high >allocator throttling" and this patch become a two-patch series? Sure, they can do (sorry, I meant to add a comment mentioning the dependency, but forgot). I just didn't want to conflate discussion for both of them, since they are separate in nature :-) I'll hold off on sending v2 until the discussion with Michal is finished.