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 8E34AD3CCB3 for ; Thu, 15 Jan 2026 06:06:02 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id BC3236B0088; Thu, 15 Jan 2026 01:06:01 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id B6A966B0089; Thu, 15 Jan 2026 01:06:01 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id AA4316B008A; Thu, 15 Jan 2026 01:06:01 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0015.hostedemail.com [216.40.44.15]) by kanga.kvack.org (Postfix) with ESMTP id 97FA16B0088 for ; Thu, 15 Jan 2026 01:06:01 -0500 (EST) Received: from smtpin30.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay01.hostedemail.com (Postfix) with ESMTP id 407131AE50 for ; Thu, 15 Jan 2026 06:06:01 +0000 (UTC) X-FDA: 84333162522.30.63297A8 Received: from out-173.mta0.migadu.com (out-173.mta0.migadu.com [91.218.175.173]) by imf16.hostedemail.com (Postfix) with ESMTP id 5058D180006 for ; Thu, 15 Jan 2026 06:05:59 +0000 (UTC) Authentication-Results: imf16.hostedemail.com; dkim=pass header.d=linux.dev header.s=key1 header.b=scuVfxqH; spf=pass (imf16.hostedemail.com: domain of qi.zheng@linux.dev designates 91.218.175.173 as permitted sender) smtp.mailfrom=qi.zheng@linux.dev; dmarc=pass (policy=none) header.from=linux.dev ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1768457159; a=rsa-sha256; cv=none; b=JXH7OtFNuYl38BAEmJuIqo1qWsF6E8ugTlwxiE4djyMEHn3UdjvUJ17ElGXHtOeJlVAcrB mU4Qp4H/Eerbc3MSi47cZE+d3P6xmYOBOUBmj2AVCpnG6UcatG9FePwMdU1YNnlWMP/2Si G2q5A9WACciVscq0Cn0nO1NRKNUA2a4= ARC-Authentication-Results: i=1; imf16.hostedemail.com; dkim=pass header.d=linux.dev header.s=key1 header.b=scuVfxqH; spf=pass (imf16.hostedemail.com: domain of qi.zheng@linux.dev designates 91.218.175.173 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=1768457159; 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=Cp95f05P+xA83/rUgh+jT3tO7oOGwmlpf1fGjpsoUdo=; b=y9MbxG6jKImpPl1JJUj39DHOor9Xrg0uae4Pd24VfxSCclO77lXID4xHDuwBtuH58LKzei owRDRmSqHS5WPrjbk+KZS+Y/zkbxZnH+ccKBfNgzeJOml6h8sMb0RzD18+8yn/WWXYkKWI tLUPHyRwWmVcIMkGyt6AU4uqZ7oCacM= Message-ID: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1768457156; 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=Cp95f05P+xA83/rUgh+jT3tO7oOGwmlpf1fGjpsoUdo=; b=scuVfxqH0RS0DP4ECtaLqxeLhUm/MS0pkZ3DN29Jl1v51x5jAQDJI0sam/Mebc5IBmiJbY Cr2n1UfaQcHd+BT4UCQczYjJLbH/dlfcEVIsG2SsS1SwNM0LRFM8kw055llt0WrMPuOiFt sI7eKBZ+FvUrwZ4wof0jBQiTUgrTEh8= Date: Thu, 15 Jan 2026 14:05:46 +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> <98819615-5001-45f6-8e63-c4220a242257@linux.dev> <20260114215917.8eee7b9fa4da37305b74d6f2@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: <20260114215917.8eee7b9fa4da37305b74d6f2@linux-foundation.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Migadu-Flow: FLOW_OUT X-Stat-Signature: hepw6kpbuehyem3n8orudhihthzgwmq8 X-Rspamd-Server: rspam01 X-Rspamd-Queue-Id: 5058D180006 X-Rspam-User: X-HE-Tag: 1768457159-253346 X-HE-Meta: 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 GBbJX/DK m90wkmGv0857ghalkgovKq/vc48iPK6BZ4RbBK+Hkvi01eY08kPSxcH8i7b2F0UIvapd2++UNp3gfCx0THKqLBkWYXtkOLdJiom3bLKSBWhcECvTnRPeOEycUcRXax83KZl6pQTP3xzJM8WAxqlpIHcbqo2td+lP+Xb7EB9glw/3U5+76I1GDVf86CmKRXX3eEhtU4Syzp6JyarP5e8QEl3YW/nkCnR1VIvaU6vnhnTrYQ70= 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 1:59 PM, Andrew Morton wrote: > On Thu, 15 Jan 2026 11:52:04 +0800 Qi Zheng wrote: > >> >> >> 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? > > A fix would be preferred if that's reasonable - it's a lot of patches > be resending! OK, I'll send the fix ASAP.