From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out-188.mta0.migadu.com (out-188.mta0.migadu.com [91.218.175.188]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1D06D6BFC7 for ; Thu, 15 Aug 2024 19:27:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=91.218.175.188 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723750053; cv=none; b=UUTSDoGvqAbmWUu8Zh4SM0c8yoQQz/CKkOah91Opxm2QHDT2d8mO8g3vte2l9ns9Uc9ig+vCJtbrEa3MQvwCY9vegM9v7w1pfQD4UpVDXkX3UPTxXZ/MxU67+ikLuQMz9cq9NrrQlQBsoeX/EXavq5IeMhmgj3GaObYT2T8L2d8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723750053; c=relaxed/simple; bh=FewbRw4tUyZZjk2W84WuNf+l2RNNaOjU3ORVlGkXNyM=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Jq6RXULiRSJXWNSPAOYkX8lpoDBUWWPgcqGQI5LboLiN2TuP+C7K8HFGLZnVA22wx3YK1xvgvWwEgZaCOFkNxmP4LJB8tEZmKCQEmuDWZNGD0RRenXsmhEMLbCl9SwkDdNB6LEB7V9XGvr3slrR7/jRpPGYySew6MEZlJxcRQHM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=D6jIaJOD; arc=none smtp.client-ip=91.218.175.188 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="D6jIaJOD" Date: Thu, 15 Aug 2024 19:27:22 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1723750048; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=r0Xeb82lVijSqwns9NTrmpuUUH4zQ7c+TXWG5G988UM=; b=D6jIaJOD19nkqrqlj45gS2IKBIpTJN4auMAAmB2bJh1PlZx7/WK0Af69U4WNrooRXtBGIp XUYlSu/MVW4dJeG1gSddxm30scxYI6WWjhVHFrTK4F5cO45f6aA38yeFu0MzN8keFeadkd W/8hD1aAsytR2aKeTgjAzJ02sMFOWjA= X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. 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> Precedence: bulk X-Mailing-List: cgroups@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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 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!