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 3483BD3CCAD for ; Thu, 15 Jan 2026 03:52:22 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 8615B6B0088; Wed, 14 Jan 2026 22:52:21 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 80E8E6B0089; Wed, 14 Jan 2026 22:52:21 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 71B9C6B008A; Wed, 14 Jan 2026 22:52:21 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0016.hostedemail.com [216.40.44.16]) by kanga.kvack.org (Postfix) with ESMTP id 630F16B0088 for ; Wed, 14 Jan 2026 22:52:21 -0500 (EST) Received: from smtpin28.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay06.hostedemail.com (Postfix) with ESMTP id 24AFD1ABCF5 for ; Thu, 15 Jan 2026 03:52:21 +0000 (UTC) X-FDA: 84332825682.28.984489E Received: from out-183.mta0.migadu.com (out-183.mta0.migadu.com [91.218.175.183]) by imf14.hostedemail.com (Postfix) with ESMTP id 8B2FF100003 for ; Thu, 15 Jan 2026 03:52:19 +0000 (UTC) Authentication-Results: imf14.hostedemail.com; dkim=pass header.d=linux.dev header.s=key1 header.b=BhDYDSir; spf=pass (imf14.hostedemail.com: domain of qi.zheng@linux.dev designates 91.218.175.183 as permitted sender) smtp.mailfrom=qi.zheng@linux.dev; dmarc=pass (policy=none) header.from=linux.dev ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1768449139; 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=oJanBQGwiNlIzIYjsIPkM4qYw0PVa/FwcDXKz//5f1Y=; b=2ICPjPsSCFATq9QIgrucZJclJM+M6pC0eH6dr+Gz29AjN/XRQwQR7/IQ2Zxjzr8ZrUEDOJ pJMe4OMokcJGOXdIX5wOZHEoSo3KdqNP5xnbFKE6FE6o0nuodgMxJcV4DzrHUHniGD4Voj 7Mvpqf+Wv1MPbLYM4+diTyrvLs9eMeM= ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1768449139; a=rsa-sha256; cv=none; b=sMeUwW07O3sg1TBsiWfUBVqZ1QCU7VaHzGc3rUiXZlL1UmpAROWnkDV8BprbN0QUXfVg3L U7MseFBejOXvqfebp4SHEgY5d0HFyAECWNhVMhRxQY3x/zjGs1IZt+ICmMtHMkmnL4i+j1 PgXX1oaJRgwg1us1+nDtZhmsWadNY4A= ARC-Authentication-Results: i=1; imf14.hostedemail.com; dkim=pass header.d=linux.dev header.s=key1 header.b=BhDYDSir; spf=pass (imf14.hostedemail.com: domain of qi.zheng@linux.dev designates 91.218.175.183 as permitted sender) smtp.mailfrom=qi.zheng@linux.dev; dmarc=pass (policy=none) header.from=linux.dev Message-ID: <98819615-5001-45f6-8e63-c4220a242257@linux.dev> DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1768449137; 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=oJanBQGwiNlIzIYjsIPkM4qYw0PVa/FwcDXKz//5f1Y=; b=BhDYDSirnJw+eHoRUHKJU//R0gZHAKbWUCDbxWoxDqkkOz+Ueo/bmbgXmC0y3o2lAfiBb+ CtbQT78LdfZ76/j46TNgR+CZ7k3Hz/1/xflPkMJQrAx4+ZVoKssCf742EhN2/jOTFciGrh zUJEdJ7aqmqlcxX9p605iX8XQo/KpCQ= Date: Thu, 15 Jan 2026 11:52:04 +0800 MIME-Version: 1.0 Subject: Re: [PATCH v3 00/30] Eliminate Dying Memory Cgroup To: Andrew Morton Cc: hannes@cmpxchg.org, hughd@google.com, mhocko@suse.com, roman.gushchin@linux.dev, shakeel.butt@linux.dev, muchun.song@linux.dev, david@kernel.org, lorenzo.stoakes@oracle.com, ziy@nvidia.com, harry.yoo@oracle.com, yosry.ahmed@linux.dev, imran.f.khan@oracle.com, kamalesh.babulal@oracle.com, axelrasmussen@google.com, yuanchu@google.com, weixugc@google.com, chenridong@huaweicloud.com, mkoutny@suse.com, 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: <20260114095839.eabf8106e97bf3bcf0917341@linux-foundation.org> X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: Qi Zheng In-Reply-To: <20260114095839.eabf8106e97bf3bcf0917341@linux-foundation.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Migadu-Flow: FLOW_OUT X-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: 8B2FF100003 X-Rspam-User: X-Stat-Signature: zkuujrbwnsgqchgdjwyswg3f9m7kj44p X-HE-Tag: 1768449139-762748 X-HE-Meta: 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 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 1/15/26 1:58 AM, Andrew Morton wrote: > On Wed, 14 Jan 2026 19:26:43 +0800 Qi Zheng wrote: > >> This patchset is intended to transfer the LRU pages to the object cgroup >> without holding a reference to the original memory cgroup in order to >> address the issue of the dying memory cgroup. > > Thanks. I'll add this to mm.git for testing. A patchset of this > magnitude at -rc5 is a little ambitious, but Linus is giving us an rc8 > so let's see. > > I'll suppress the usual added-to-mm email spray. Hi Andrew, The issue reported by syzbot needs to be addressed. If you want to test this patchset, would you like me to provide a fix patch, or would you prefer me to update to v4? Thanks, Qi