From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 6296BE8FDB1 for ; Mon, 29 Dec 2025 07:48:55 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id CA24C6B0089; Mon, 29 Dec 2025 02:48:54 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id C692B6B008A; Mon, 29 Dec 2025 02:48:54 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id B95D86B008C; Mon, 29 Dec 2025 02:48:54 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0014.hostedemail.com [216.40.44.14]) by kanga.kvack.org (Postfix) with ESMTP id A9BB76B0089 for ; Mon, 29 Dec 2025 02:48:54 -0500 (EST) Received: from smtpin05.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay08.hostedemail.com (Postfix) with ESMTP id 5E150140C14 for ; Mon, 29 Dec 2025 07:48:54 +0000 (UTC) X-FDA: 84271732188.05.C1C5635 Received: from out-179.mta1.migadu.com (out-179.mta1.migadu.com [95.215.58.179]) by imf06.hostedemail.com (Postfix) with ESMTP id 513C918000B for ; Mon, 29 Dec 2025 07:48:52 +0000 (UTC) Authentication-Results: imf06.hostedemail.com; dkim=pass header.d=linux.dev header.s=key1 header.b=SA9vSxTu; dmarc=pass (policy=none) header.from=linux.dev; spf=pass (imf06.hostedemail.com: domain of qi.zheng@linux.dev designates 95.215.58.179 as permitted sender) smtp.mailfrom=qi.zheng@linux.dev ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1766994532; a=rsa-sha256; cv=none; b=kEBJhyBi+eXOUbKX2futQie89a7z0uWmUFmNkeoJpmt8gmXzs16fSb7I2CCmfM4r1a5ro9 GoV3F4szp714jxjcQRf98lcHpB6ntGBI6+vYhuC18QvVDBM8F1VxVxSXrmVaUYtym5jRzJ spHp7QPYp7ek3jP0AautAjnxVUeIuxw= ARC-Authentication-Results: i=1; imf06.hostedemail.com; dkim=pass header.d=linux.dev header.s=key1 header.b=SA9vSxTu; dmarc=pass (policy=none) header.from=linux.dev; spf=pass (imf06.hostedemail.com: domain of qi.zheng@linux.dev designates 95.215.58.179 as permitted sender) smtp.mailfrom=qi.zheng@linux.dev ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1766994532; h=from:from:sender: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:dkim-signature; bh=v1R/ahL6rq4+3c38JNqI4dZ67fdzAfwCNTqIsx/+srY=; b=y4RKJUaLPVwJRJPhS3zy0vmsdmXYRefUHZP1j8HMwevPszAFo/E3Z7zkL48dQkxxTeIYPD FxyPCMqSCucDdI/L4jgqfYNMSv5fOiBijAKXOE5nhsSu8DZDrGF3DMck+XUNZ7vUFHiMCH /RBCtvVDWyEh76TiYm4fzNPhe/U7FXo= 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 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 X-Rspamd-Queue-Id: 513C918000B X-Rspamd-Server: rspam03 X-Stat-Signature: 7c1pobecopfkn1cuwbciqbfbfp91151g X-Rspam-User: X-HE-Tag: 1766994532-182338 X-HE-Meta: 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 jvQ6h+eh qwAwvaR8NL9ozDIZQejr9b1BKobXWpiubBQfwX29keDnq1BgHOCDHC68PggbNL9zmSk+rxcR0rAwS0d4mftsU00ijMWShxwcmE/LlNBXnSD/qxYhd38ugzuRdxPVDO2j0ElSIkuxRDR68/5PDP0IRSscArvYoPk1xTTcUZg4A6csNc3wY1V7JIdBCXvzRge9gUC3tSv6Q2fjInlfJiZgArftRdg== 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 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? >