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Mon, 10 Jul 2023 08:03:10 -0700 (PDT) MIME-Version: 1.0 References: <20230707044613.1169103-1-hezhongkun.hzk@bytedance.com> In-Reply-To: From: =?UTF-8?B?6LS65Lit5Z2k?= Date: Mon, 10 Jul 2023 23:02:59 +0800 Message-ID: Subject: Re: [External] Re: [RFC PATCH 0/2] zram: objects charge to mem_cgroup To: Michal Hocko Cc: minchan@kernel.org, senozhatsky@chromium.org, david@redhat.com, yosryahmed@google.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Rspamd-Queue-Id: 1F9331001BE X-Rspam-User: X-Stat-Signature: 4dqgwxogboti7kh5u5dn5z8cy7xwsd3h X-Rspamd-Server: rspam01 X-HE-Tag: 1689001392-235951 X-HE-Meta: U2FsdGVkX198NAm/E6qQt5Lp3W9tsYpxZsKV5qVHKQOa9jnuH7BfOYcvjQJzKeDGlm0m+T31cTLjr3ONyr1BTU7V6gynJnclI4PAkZcgutogYNux7VpX4t+30w0c79d3NXJK651jB7rVktJgxCgZCOgkwo+I5NFibqNeyUGG99aYFiyOkCL/3/jcDFTDLQV7sINgwlQ4ViqFNIKS8foLK1qfrUVjUdhgR+OCmEkYXDYuN/Pe0X0fdNh2yEDx0J5YhZDO9ar+mWVNKsFU8kmnfZ4ovjY6bHU8Vx+898eDsgJpqO4RQeE+/dunbt3KPSB1hoDpBioUgKgKsrOKEmi72wNidiFF3xEaULbhO/FlHBg/+CLJnhOQ0EnPhDu4Gyom+cz4yuEoPeUvRPZcmdl6yTsCOYVAb97SlGQ5omUIzZjBFtHmTf7FktscdekDuwdBJwtBv5HCcSRTRZq1Z2MEMLaNgAq6y/MLQRUZzcw/3VTerQxlmdK0Vv6lsEm0kpQ9fuqf+usop11Rp8UfAnpEmPP0JRRh1hi1eMwmj9O3LOSdV+4Hv0+mR9QO8z5zkhq+YqeLqKfnspEp8U8lkR/BywG9hpHs5vaE1C2cbQ6ewlav2TLKpqtLrfxmasQ//YPG8K68lI4wj3lGE6Lzhxku5TF7LMWp0urVyKLIIzswNU2fTiotsPcxC9rnCu3cHp0v/sVOMA6otnVcNZJfW/ocJfo//JO8dOyifrMhJ1O3bmjlkEkmjQ3X7iMdppGCy5rJxkuRkh8z6Jrv9pnYw+VJHuDsEl3mknSGB7vbCxEQTdpTsz/vrhxamwGoQTjkleAHOOQDuVp6LzM9OVubGnwOmxxvLXmoaNFjwvJMpui68PT7i0RWaPmoDuFtchXNJBrgDTwttc/yFejdCjLfg5c04woZPaa/4fyGL0fARWDgBuA7J8Z9GvhwqQ4ri5QgOIK+BiRSPx2R2+sYHAf6hnv iZt/y/Fg XyT82r82HeajAZFxfND1wAblnFJ5B3Ec5dgZyLl4l8haP5aEZCj8epINpxjOzpID1RYCLr0IuStMyKKD/3uoP3TgKuPsRNeTkDIBr79UQYOpe0tKMKS+aUII3YCKUun+2+wzy6VStB4kwV1xoDKkuCEdT1requMRz76xuknHJdOZizRfwNCukQFILJXu4Ll23P7kWDKFFGShRspMQtODrgjIxx3Yxma4ar8E7sHEKIiPQZGkNZOJduS2t4U46+eJgk5d+eb1AIN96s/b7wtlP6DTez59k7v7RIubvoknCYWPLxPyZOvt4zUFSS9deTNzKkLzZ63ed4GNYnZfgD4eUgXSt25rOYn7tZuHF/67Fkozsk7ZuOWgQAK0B4A== 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: On Mon, Jul 10, 2023 at 9:35=E2=80=AFPM Michal Hocko wrot= e: > > On Mon 10-07-23 21:16:42, =E8=B4=BA=E4=B8=AD=E5=9D=A4 wrote: > > > > > > OK, this is an important detail to mention. Also have tried to get so= me > > > numbers of how much excess is happening for a mixed bag of compressib= le > > > memory? > > > > Yes, I've done the test many times. The numbers of excess depend on th= e > > compression ratio only. The maximum amount will not exceed 400KB,and wi= ll be > > smaller than the hard limit finally. > > Again, important data point for your changelog. Thanks, more data will be added in the next version. > > -- > Michal Hocko > SUSE Labs