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From: Roman Gushchin To: Shakeel Butt Cc: Andrew Morton , Johannes Weiner , Michal Hocko , 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-Migadu-Flow: FLOW_OUT X-Rspamd-Queue-Id: 456A41C0018 X-Rspam-User: X-Rspamd-Server: rspam05 X-Stat-Signature: gnkbmgu1s4fx3sqf447d49kir1jhfbnj X-HE-Tag: 1723750051-196998 X-HE-Meta: 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 goEFd4bY hx+awDgO/5nMV85fvumQvp4LOYB6KCdom23bT+3ex+mpIU/PcqMAY7LWopMCI58Pj1JDEhVtRc4ZemB7fP5hPLssL/HHN6p13kMQd0SnXwVjV/QrSOhEztIIoLu1Vk9SZdyKSCNMeaA0ovlerXiEIZVOyNU00QXXe3LzefpI+SVj/d+nVIROUEYPDiQ== 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, Aug 14, 2024 at 03:00:17PM -0700, 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] > > 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 I have a hope that we can deprecate memcg v1 altogether, but having more information about specific v1 users won't hurt. Acked-by: Roman Gushchin Thanks!