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b=FKsHU5y2YBMvZKTJ4sdMly6U+7qTR7yrhtyFlCL1XxziOKR4ZWff5sPDKVgDzHOb9 vsAkeojfOHszSouNxOzpMONI4jmnrmrewoOpKZ6eD4YGXrnzWQqw40bJfpMPHZ4Osk shTUjArFz2XKFHbCZ7QFHy2V4wkQ7+83sKHj/py8= Date: Thu, 23 Apr 2026 11:14:06 -0700 From: Andrew Morton To: kasong@tencent.com Cc: Kairui Song via B4 Relay , linux-mm@kvack.org, Axel Rasmussen , Yuanchu Xie , Wei Xu , Johannes Weiner , David Hildenbrand , Michal Hocko , Qi Zheng , Shakeel Butt , Lorenzo Stoakes , Barry Song , David Stevens , Chen Ridong , Leno Hou , Yafang Shao , Yu Zhao , Zicheng Wang , Kalesh Singh , Suren Baghdasaryan , Chris Li , Vernon Yang , linux-kernel@vger.kernel.org, Qi Zheng , Baolin Wang Subject: Re: [PATCH v6 00/14] mm/mglru: improve reclaim loop and dirty folio handling Message-Id: <20260423111406.10a88a4d80dd0e3145c661c3@linux-foundation.org> In-Reply-To: <20260424-mglru-reclaim-v6-0-a57622d770c3@tencent.com> References: <20260424-mglru-reclaim-v6-0-a57622d770c3@tencent.com> X-Mailer: Sylpheed 3.8.0beta1 (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-Stat-Signature: rbar8oar4w5pz6unztkcurwumez516im X-Rspam-User: X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: 012FE1A000D X-HE-Tag: 1776968048-337760 X-HE-Meta: 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 KYKT+FNe w8jFshtRZxPx0XR0mRolenjFgzN8Gj4gH7Kq/0+NzJUPzTHaNL/zFZTRrfLn0JgpFP/egeZXzSNIseBgACkLcqvE/GXIMGPppbJpY5VUqYc5R1JtCSRdOY9X3rjdXRQlFs5CczJ4W0FOw1dv28+uw5jq8Y7qsJu2hmVNR+8Ue/3uEIK1xC0q093E6KbfNotpFNKW75WJyRLKcnYkj/neBfSxbMtst8uhQxMwYlQ5TpCWvX5pi2VB8NC4O/s2YiVTnO9Q9ayhIgjQBj1zhjQC6BHdH2KFgSeAOHfH1SeZlJXeS37aWedqvrB5dDi6b9huVodUx/sgFERxBZEDNl+dE4uAYF1kFN4TDOfR6ZEmPW+4Z6B8U6HBzccKTnQ== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Fri, 24 Apr 2026 01:43:11 +0800 Kairui Song via B4 Relay wrote: > This series cleans up and slightly improves MGLRU's reclaim loop and > dirty writeback handling. As a result, we can see an up to ~30% increase > in some workloads like MongoDB with YCSB and a huge decrease in file > refault, no swap involved. Other common benchmarks have no regression, > and LOC is reduced, with less unexpected OOM, too. Thanks, I queued this up in mm-new. And thanks to all the testers and reviewers - it's so good to see MGRLU getting some attention.