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[109.81.83.166]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-371898ac2d1sm702780f8f.109.2024.08.14.23.29.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 14 Aug 2024 23:29:39 -0700 (PDT) Date: Thu, 15 Aug 2024 08:29:37 +0200 From: Michal Hocko To: Shakeel Butt Cc: Andrew Morton , Johannes Weiner , Roman Gushchin , Muchun Song , "T . J . Mercier" , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Meta kernel team , cgroups@vger.kernel.org Subject: Re: [PATCH v2 0/4] memcg: initiate deprecation of v1 features Message-ID: References: <20240814220021.3208384-1-shakeel.butt@linux.dev> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240814220021.3208384-1-shakeel.butt@linux.dev> X-Stat-Signature: 4ppym9cftu87xj54m1uxaix1iq8fxdct X-Rspam-User: X-Rspamd-Queue-Id: 32A2B120010 X-Rspamd-Server: rspam02 X-HE-Tag: 1723703380-259006 X-HE-Meta: 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 Kua71xOC x1P9gY7h+Po04O9UPmOk53/yEP7zjvABW8iOUIEjfuezDv0HyYpo8MduhNjGtzp30mqH3UPgA0FDJ1p46F/ZFLU04NOW7SnE+BgLr9L9kJNceFH+3KlDp2ecQAQHeic55AfRR+dGGZWOb3YWS2+b1ei/sJda8zs7KCzAUPJHmmbEvrbcoz0EHtZFwR6LrA+DPfm+LvFOYduO71F6dHhKHXG9BKVX9YpINL6hrn8lC87os1jWXu4Pbpj10C6M3p0UnFGD2SkYOPHN0U0m4Btj0AqPKykeSIyVblTnVDmdrBiVzv9wq6NpaS/ohqlypj41wtr86w2OieOXiZJzxBZBSSErBmTTT9EKiVoNPgE4Ga+D2d60v2BBijlkh0yQU599TYLxz/8NcSE+8QHM5k7A9wEbSEw== 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: List-Subscribe: List-Unsubscribe: On Wed 14-08-24 15:00:17, Shakeel Butt wrote: > Let start the deprecation process of the memcg v1 features which we > discussed during LSFMMBPF 2024 [1]. For now add the warnings to collect > the information on how the current users are using these features. Next > we will work on providing better alternatives in v2 (if needed) and > fully deprecate these features. > > Link: https://lwn.net/Articles/974575 [1] Acked-by: Michal Hocko I will add these to our SLES kernels to catch our distribution users. Thanks! > > Shakeel Butt (4): > memcg: initiate deprecation of v1 tcp accounting > memcg: initiate deprecation of v1 soft limit > memcg: initiate deprecation of oom_control > memcg: initiate deprecation of pressure_level > > Changes since v1: > - Fix build (T.J. Mercier) > - Fix documentation > > .../admin-guide/cgroup-v1/memory.rst | 32 +++++++++++++++---- > mm/memcontrol-v1.c | 16 ++++++++++ > 2 files changed, 42 insertions(+), 6 deletions(-) > > -- > 2.43.5 -- Michal Hocko SUSE Labs