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b=rlpLqS/Kj6XuSnENrppvplSEKrxYqPvM+aALj0ec5JjEL9u5ixAsovpcNNV7ejj0S ljLr1AObex51OKKnoemq2v5AjE6O6xx8BW7Uq/Mxw9EQkmTCgKqYr0ac2XQl6ye+cM GGkekwE02kT/+Xw0PJzgRoeJlHS3jhSKzvw6sAt4= Date: Wed, 4 Mar 2026 14:03:07 -0800 From: Andrew Morton To: Yosry Ahmed Cc: Qi Zheng , 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, bhe@redhat.com, usamaarif642@gmail.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org, cgroups@vger.kernel.org, Qi Zheng Subject: Re: [PATCH v5 update 29/32] mm: memcontrol: prepare for reparenting non-hierarchical stats Message-Id: <20260304140307.f51a33f77f6ddc1dfc0cf476@linux-foundation.org> In-Reply-To: References: <20260228072556.31793-1-qi.zheng@linux.dev> <46bgg2vwqvmex7wtk2fkvf454tqgaychb7l4odnnrx7svci5ha@vy4b4ophm763> <22cca07c-49e0-42e8-b937-7b1c7c51e78d@linux.dev> X-Mailer: Sylpheed 3.7.0 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: F3A1C14000D X-Stat-Signature: dsf1fttr7xxnxtzi9tgcghugqwbakjdm X-Rspam-User: X-HE-Tag: 1772661789-761338 X-HE-Meta: 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 LyxOmVLV TgBNaWMNtyKCMBBOLSyWs+RbKGGKiY33SL8AoFecdbJa/FAzkA9QKsb6rvHbIzTLOoRbgcbtPzkWgWj2I4kntx1KyW6fSZ7opN16yfYPVDLdpmeYL237bc2qQf4kFwOi/Ngw58ZndWbSVrdKrKoFT7qeFbtqrjESnd3055h6I23DA0RMUO13t5KPWqlE+e3ZUulM2zz+Lgu4bd7/B+JLw8tqeFSB3YngLKynjKsFr3f6+Zjm5lVTa/l76n86Hv0dItQTntDS7OjwVkHPP0GaJ00esPQ== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Wed, 4 Mar 2026 13:57:41 +0000 Yosry Ahmed wrote: > > > What about this (untested), it should apply on top of 'mm: memcontrol: > > > eliminate the problem of dying memory cgroup for LRU folios' in mm-new, > > > so maybe it needs to be broken down across different patches: > > > > > > > I applied and tested it, so the final updated patches is as follows, > > If there are no problems, I will send out the official patches. > > If I am not mistaken, Andrew prefers fixups to what he already has in > mm-new (Andrew, please correct me if I am wrong). Yes, if the changes are reasonably small and the code has already undergone significant review. Although the mm-new branch is quite speculative/early so I guess this is less important there. Adding a sprinkle of -fix patches can be a pain all round, so nowadays if someone sends a replacement series I'll generate and send a what-you-changed-since-last-time diff. So - we can check that the diff matches the changelogged updates - reviewers don't have to re-review everything - the author can eyeball it and think "yup, I meant to change that". I believe this series is due for quite a few updates so a full v6 resend series would be appropriate. I'll generate the how-you-changed-mm.git email from that.