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b=L48eLu0gsNzfLk0cW3B98uy4zM9DenEhROjLupQYl9xFPWiTdiLoUSngK53UkWjyS Y3B0ANxOVzenZ2y152NVmyWSE0FWD1GS/5ZYaBve8kNsU+/UTxnxKiBP+WLuoXJ8mN Gzupv8u57JfHU4irjn/z6tdRQnILxm3TU1U38z8aHl9LxmA7AOkpKA3K8NvxfGq5q2 Azp4IbwudUo2+aKucZQyreoTFFAIb0CIXNiBV4ZRpz6z3PXt0Z7fNRm4sO2Hbdu8cI eLLMOTyem2zEHLGB3OzO4GWDSr2+z8iY/sQpqFFfcEeO2Ud2x6kxrQKVNbxLg7US7W SoZSWHFPVHbzg== Date: Tue, 24 Mar 2026 13:40:31 +0900 From: "Harry Yoo (Oracle)" To: Qi Zheng 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, akpm@linux-foundation.org, 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, Yosry Ahmed , Qi Zheng Subject: Re: [PATCH v6 30/33] mm: memcontrol: prepare for reparenting non-hierarchical stats Message-ID: References: <2d39ea5e-fd69-4acf-8518-a504f5f7a838@linux.dev> <138d9363-ab0c-4f5c-bedc-b326f5aaee91@linux.dev> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <138d9363-ab0c-4f5c-bedc-b326f5aaee91@linux.dev> X-Rspamd-Server: rspam01 X-Rspamd-Queue-Id: 090CE40008 X-Stat-Signature: jxatzp3zf9abgn5ek44ei86pxhce1crt X-Rspam-User: X-HE-Tag: 1774327234-315493 X-HE-Meta: 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 mGVR4VJx +YtpqKEUQbGy5YVwCNkMbskDlSkIwYzz3b1hRI/Ju1j0hXPmS5tHO6NtAs9CMrZafN9heblFlz5x4dZ2WVYM6wJJLcjny4DM564hsRaDf5bSlZ4bRfEy2iE60alFyKJoBO3QY6nJv2z4Ddqup+bxY2KtAg7TlGh9X4kFywrIa5QupJz8ywi8w8kDdPE4GwwcOQptah8yTnYN+kAPLEu/+CSMX0QENupmWBFh1LqxhglccDXkBH9TKsSUz6mTTi5wTD0cIR0kkQM8KGHuiqoHlQTo2WA== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Tue, Mar 24, 2026 at 12:25:16PM +0800, Qi Zheng wrote: > On 3/24/26 12:05 PM, Harry Yoo (Oracle) wrote: > > On Tue, Mar 24, 2026 at 10:54:48AM +0800, Qi Zheng wrote: > > > On 3/23/26 8:25 PM, Harry Yoo (Oracle) wrote: > > > > On Mon, Mar 23, 2026 at 05:47:27PM +0800, Qi Zheng wrote: > > > > > > so I prefer to add a cleanup patchset to > > > avoid interfering with the merge of this patchset. > > > > but it's a little bit more than a cleanup, no? > > > > I'd say without the followup, this patchset introduces a very subtle > > (likely nobody would notice) functional regression visible on memcgs > > with billions of pages. > > Right. > > > > Otherwise, sending v7 might be more appropriate. > > I think it should be sent either as v7 or as part of v7.1-rcX. > > (Whichever way Andrew prefers) > > OK, In any case I will first send out the cleanup/fix patchset for > everyone to review. Sounds great, thanks! -- Cheers, Harry / Hyeonggon