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Thu, 03 Sep 2026 02:06:19 +0000 X-Mizu-Trace-ID: 484a927a0ec94e73 X-Migadu-Flow: FLOW_OUT Message-ID: <767cba8d-1cc2-42e9-a8ac-8cda90d0fc35@linux.dev> Date: Thu, 3 Sep 2026 10:06:11 +0800 MIME-Version: 1.0 User-Agent: Betterbird (macOS/Intel) Subject: Re: [PATCH RESEND mm-stable v5 0/2] mm/vmscan: fix NR_ISOLATED accounting and throttle MGLRU eviction To: Andrew Morton Cc: Kairui Song , Qi Zheng , Shakeel Butt , Barry Song , Axel Rasmussen , Yuanchu Xie , Wei Xu , Johannes Weiner , David Hildenbrand , Michal Hocko , Lorenzo Stoakes , Baolin Wang , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Hui Zhu References: <20260902143727.776d04e71eac0e4b1fea6260@linux-foundation.org> Content-Language: en-US From: Hui Zhu In-Reply-To: <20260902143727.776d04e71eac0e4b1fea6260@linux-foundation.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Rspam-User: X-Rspamd-Server: rspam10 X-Rspamd-Queue-Id: BDEFD20008 X-Stat-Signature: fayxijgfeass7dhr534yeya453dd6zcq X-HE-Tag: 1788401180-152383 X-HE-Meta: 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 b0w7mODW U2nXVKVDCRaVY3bcywKTfSi0+4fJmuEDagB55rRQxlbigY+kAMkp+1cOqgOOs1UTOLWR2VbSaRnxEjoJY5uy9H+FWQ28eQ8gxh0Z72r4AhJoWQUEuErjtFxSrdBxYT8wWB6FwErgG7NoWN05VfXDxyTrxHN4zmjyVQMyls95gC8c50TAdbMZRMunFhHAF251obWIN6S+WQYdCxCOat/pYg/ov0R7krzfCgfI1KDtWRsigLkDOc0DzEjGQQiyuoorO+zTModVPvcT9N0muFHvS8jklGXaE06hmsTV5hWqJKRYmkMZU9/d5oHw2u+FoRRo4Jo1F57KJJOKqASJkb8oWK1tZ1nvDKLFHCyuqHNZFnN8ssz+us0R7IJPSV97Zs8d2QmMqMxw7OhT4cyxTvVrdiYsLow== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: > On Wed, 2 Sep 2026 17:11:24 +0800 "Hui Zhu" wrote: > >> Previously the patch was based on mm-unstable, which caused issues during >> Sashiko apply. >> So I rebased it onto mm-stable and resend. > Sorry, things are moving at a million mph at this stage of the cycle. > mm-new's isolate_folios() has changed a lot. > > So please redo on latest mm-new and let's retry? That'll be a few > hours after I hit "send" on this! > > Also, Sashiko isn't done yet. > > https://sashiko.dev/#/patchset/cover.1788339549.git.zhuhui@kylinos.cn > > If that's all too painful then I suggest waiting a week or so - I'm close to > completing processing the backlog (I've got it down to early July). Thanks for the heads up. I think we can hold off on this patchset for now. It has a notable impact on MGLRU performance, and will still need a fair amount of discussion, testing and revisions. My apologies — I should have posted this version as an RFC. Going forward, I’ll submit the whole series as RFCs, and only send the formal patchset once we have a broadly agreed result. Best, Hui