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=-3.6 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED 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 C0CCCC43461 for ; Thu, 17 Sep 2020 15:39:49 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 30D472222A for ; Thu, 17 Sep 2020 15:39:48 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="WILyDFJq" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 30D472222A Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 545368E0003; Thu, 17 Sep 2020 11:39:48 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 4F5A08E0001; Thu, 17 Sep 2020 11:39:48 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 3BDF18E0003; Thu, 17 Sep 2020 11:39:48 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0136.hostedemail.com [216.40.44.136]) by kanga.kvack.org (Postfix) with ESMTP id 227A38E0001 for ; Thu, 17 Sep 2020 11:39:48 -0400 (EDT) Received: from smtpin15.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id B85933625 for ; Thu, 17 Sep 2020 15:39:47 +0000 (UTC) X-FDA: 77272963614.15.sock27_250bdee27123 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin15.hostedemail.com (Postfix) with ESMTP id 876081814B0C1 for ; Thu, 17 Sep 2020 15:39:46 +0000 (UTC) X-HE-Tag: sock27_250bdee27123 X-Filterd-Recvd-Size: 5339 Received: from mail-il1-f194.google.com (mail-il1-f194.google.com [209.85.166.194]) by imf44.hostedemail.com (Postfix) with ESMTP for ; Thu, 17 Sep 2020 15:39:46 +0000 (UTC) Received: by mail-il1-f194.google.com with SMTP id t18so2712219ilp.5 for ; Thu, 17 Sep 2020 08:39:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc:content-transfer-encoding; bh=+9HU43KroNK5/x6wnhb2ZPEi6bPpfMElvU5+soOALQc=; b=WILyDFJqy/kKppDyOXiv0T0ZJeoRPbsBrW+7oCxHCSzypdd0t9S2MeYT/bSdApP/pK yDT3toE44n1//aXcVJqtiZALsGX6gYub0Lj2RthM0Eb8YPYutIppe3s+iJasQDNFdWxN x6vc4gQ0VnYI2VMMVKYHpBdbIxHQ8TleU96wpk4sjSOPC2SaPiBy1w5ccYTRNg6mu9kQ T5PtHr2DR/bv9S2bjQRnrQEYZOwsx+DOYWNC5wlf+K4A5m066MyWwa/eN58LHhXtnutz Mqx3V0JDt8c7JMIIap0P8HISCbbafv2ol/KoD4rSnLph5PIdCTR7M7/pGif4EaBTDFUX WwKw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc:content-transfer-encoding; bh=+9HU43KroNK5/x6wnhb2ZPEi6bPpfMElvU5+soOALQc=; b=G/S+cL/Ubtgm1kc2LUdbKUGZLuk3xfCJ2Sqg17BBULFSXluWmACxY0XAzX5mj+alJP VB+eaJA+NVByP3Hfba5cT2z+xzBqfqqySD7w7FpCG6h4bt5KWcPKQ6tIwtN/HXTXx7vb dG923olEYOIMQD4Lmy2gd9eaISOsRiUlaq/HXAiLx48QzBO0cG2++s4rgeB5g9rJ+g2a r1majnJHa2qg5H33B/+KCzhjSbrvQmk9Ti4bEnl3cCgw0MA0s0xcIXdv1BCsA+ApI7g9 p1B/0GD/odxbcOJhZvABk1JFFOhMmps54iNz2k/Ri2ftW4wnFpi4KXxBCNowCY/zBX2w I0eQ== X-Gm-Message-State: AOAM533ZI/Ufh9DJVlLGwKP8vbb5otvsJ6tYBetj/W1QGo5x5bqX+XYu OJEvepmrC0+KT250UirTJ0+Ol4plYHzt01GtqGY= X-Google-Smtp-Source: ABdhPJxV3kTtMKU9Fb9Mz10pXxYSNq4oOPvCHIapWzAoUpP3YpZs9DQZTZltRrEQ3HLZWIgSINsZ2+tPMe1gQqVmhpU= X-Received: by 2002:a92:b74c:: with SMTP id c12mr26223986ilm.237.1600357185698; Thu, 17 Sep 2020 08:39:45 -0700 (PDT) MIME-Version: 1.0 References: <61a42a87-eec9-e300-f710-992756f70de6@linux.alibaba.com> <855ad6ee-dba4-9729-78bd-23e392905cf6@linux.alibaba.com> <5cfc6142-752d-26e6-0108-38d13009268b@linux.alibaba.com> <20200915165807.kpp7uhiw7l3loofu@ca-dmjordan1.us.oracle.com> <20200917143519.lhdfnoc47qrmbhaz@ca-dmjordan1.us.oracle.com> In-Reply-To: <20200917143519.lhdfnoc47qrmbhaz@ca-dmjordan1.us.oracle.com> From: Alexander Duyck Date: Thu, 17 Sep 2020 08:39:34 -0700 Message-ID: Subject: Re: [PATCH v18 00/32] per memcg lru_lock: reviews To: Daniel Jordan Cc: Alex Shi , Hugh Dickins , Andrew Morton , Mel Gorman , Tejun Heo , Konstantin Khlebnikov , Matthew Wilcox , Johannes Weiner , kbuild test robot , linux-mm , LKML , cgroups@vger.kernel.org, Shakeel Butt , Joonsoo Kim , Wei Yang , "Kirill A. Shutemov" , Rong Chen , Michal Hocko , Vladimir Davydov , shy828301@gmail.com, Vlastimil Babka , Minchan Kim , Qian Cai Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Rspamd-Queue-Id: 876081814B0C1 X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam03 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Thu, Sep 17, 2020 at 7:26 AM Daniel Jordan wrote: > > On Thu, Sep 17, 2020 at 10:37:45AM +0800, Alex Shi wrote: > > =E5=9C=A8 2020/9/16 =E4=B8=8A=E5=8D=8812:58, Daniel Jordan =E5=86=99=E9= =81=93: > > > On Tue, Sep 15, 2020 at 01:21:56AM -0700, Hugh Dickins wrote: > > >> On Sun, 13 Sep 2020, Alex Shi wrote: > > >>> Uh, I updated the testing with some new results here: > > >>> https://lkml.org/lkml/2020/8/26/212 > > >> Right, I missed that, that's better, thanks. Any other test results= ? > > > Alex, you were doing some will-it-scale runs earlier. Are you planni= ng to do > > > more of those? Otherwise I can add them in. > > > > Hi Daniel, > > > > Does compaction perf scalable, like thpscale, I except they could get s= ome benefit. > > Yep, I plan to stress compaction. Reclaim as well. > > I should have said which Alex I meant. I was asking Alex Duyck since he'= d done > some will-it-scale runs. I probably won't be able to do any will-it-scale runs any time soon. If I recall I ran them for this latest v18 patch set and didn't see any regressions like I did with the previous set. However the system I was using is tied up for other purposes and it may be awhile before I can free it up to look into this again. Thanks. - Alex