From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out-186.mta1.migadu.com (out-186.mta1.migadu.com [95.215.58.186]) (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 032123A1E98 for ; Mon, 29 Dec 2025 07:49:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=95.215.58.186 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766994544; cv=none; b=ZoWhjK3EPHBTRvNOOVWCeRWH0LYemhbvwOQD2xvRh7Wqq4S9ivHLPhh4ZFahl60xtk/WL0e10Ufd2HNhIukQPCOmZQkQT1o/2CUrYS7LZNbP5aILEtm/gHV+Fc3NBVxnMQ7jW1QtytK60DoD+lhe52lh6G5AKyyymXGSQVFOVEw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766994544; c=relaxed/simple; bh=4qlQMRgBiOeJ9g+nUPQgkzr3ymxS+qJLX6FbdJ9DNwI=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=ZkwTo9YUIL9dB3CAyV67ucTBWoNFyOn1Xo+E336vZB4L4FN+CN5oZ0fdVJPnmPrpsXA6jDAzBpLjVrGztlKRpjayNGLGeZhVwLB4Gj8Xxttw/k48dPLuISgNwqgCJwhpJWi5fg5xCgDe8D3m3+cnXaSIyQLcYTPHpOSRiYgH1vU= 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=SA9vSxTu; arc=none smtp.client-ip=95.215.58.186 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="SA9vSxTu" Message-ID: <1264fd2b-e9bd-4a3b-86ad-eb919941f0a4@linux.dev> DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1766994530; 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: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=v1R/ahL6rq4+3c38JNqI4dZ67fdzAfwCNTqIsx/+srY=; b=SA9vSxTuD15GpKVc0SGajXBGdyPHOJccBB1B9R0ae6mEHD/IGMctJlYs2L7oHmIN2wryoN CELOsJJglhfZzoPhKFCEdl9cQfqll8AjpCzXy3ZnTsHCYTaefqmTAvOY7S6a+lusPV/kFO v+7XqFUuuIYvjyytWCNUxzsHpkTS/cI= Date: Mon, 29 Dec 2025 15:48:26 +0800 Precedence: bulk X-Mailing-List: cgroups@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Subject: Re: [PATCH v2 00/28] Eliminate Dying Memory Cgroup To: Shakeel Butt , Yosry Ahmed Cc: hannes@cmpxchg.org, hughd@google.com, mhocko@suse.com, roman.gushchin@linux.dev, muchun.song@linux.dev, david@kernel.org, lorenzo.stoakes@oracle.com, ziy@nvidia.com, harry.yoo@oracle.com, imran.f.khan@oracle.com, kamalesh.babulal@oracle.com, axelrasmussen@google.com, yuanchu@google.com, weixugc@google.com, chenridong@huaweicloud.com, mkoutny@suse.com, akpm@linux-foundation.org, hamzamahfooz@linux.microsoft.com, apais@linux.microsoft.com, lance.yang@linux.dev, linux-mm@kvack.org, linux-kernel@vger.kernel.org, cgroups@vger.kernel.org, Qi Zheng References: <5dsb6q2r4xsi24kk5gcnckljuvgvvp6nwifwvc4wuho5hsifeg@5ukg2dq6ini5> X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: Qi Zheng In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Migadu-Flow: FLOW_OUT On 12/24/25 7:20 AM, Shakeel Butt wrote: > On Tue, Dec 23, 2025 at 08:04:50PM +0000, Yosry Ahmed wrote: > [...] >> >> I think there might be a problem with non-hierarchical stats on cgroup >> v1, I brought it up previously [*]. I am not sure if this was addressed >> but I couldn't immediately find anything. > > Sigh, the curse of memcg-v1. Let's see what we can do to not break v1. The memcg-v1 was originally planned to be removed, could we skip supporting v1? >