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Shutemov" , Rong Chen , Michal Hocko , Vladimir Davydov , shy828301@gmail.com, Vlastimil Babka , Minchan Kim , Qian Cai Subject: Re: [PATCH v18 00/32] per memcg lru_lock: reviews Message-ID: <20200917164812.y6bstuo6zvxklcjc@ca-dmjordan1.us.oracle.com> 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> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: User-Agent: NeoMutt/20180716 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9747 signatures=668679 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 spamscore=0 bulkscore=0 mlxlogscore=999 malwarescore=0 mlxscore=0 phishscore=0 adultscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2006250000 definitions=main-2009170126 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9747 signatures=668679 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 bulkscore=0 mlxlogscore=999 adultscore=0 malwarescore=0 clxscore=1015 lowpriorityscore=0 phishscore=0 spamscore=0 priorityscore=1501 suspectscore=0 impostorscore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2006250000 definitions=main-2009170126 Content-Transfer-Encoding: quoted-printable 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 08:39:34AM -0700, Alexander Duyck wrote: > 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 res= ults? > > > > Alex, you were doing some will-it-scale runs earlier. Are you pl= anning to do > > > > more of those? Otherwise I can add them in. > > > > > > Hi Daniel, > > > > > > Does compaction perf scalable, like thpscale, I except they could g= et some 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. >=20 > 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. Ok, sure. I hadn't seen the regressions were taken case of, that's good = to hear. Might still add them to my testing for v19 and beyond, we'll see.