From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7E5AB3D6CAC for ; Fri, 24 Apr 2026 13:36:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777037798; cv=none; b=hZSs5CVWmyR/mBYPapYF+LqD4OLipiA51OacLBjCC1xH9BUB5HSC3E+rD42/MZZG/TpBs38D8vCUomZCQIEfRhjR51MMv4gsUwB5myFdGOkMEQ+KGbgCjXT60gR/cqwsvf/Chiknb2XSqN7VoeQOsF4oGXQdNqq1HFFJMCYM/+o= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777037798; c=relaxed/simple; bh=myF9le/R6pGmIw8tiyhwd1Iy7g2x5mMlZx8UkRi5O80=; h=Date:From:To:Cc:Subject:Message-Id:In-Reply-To:References: Mime-Version:Content-Type; b=vEdoGR/hpfBcLaQf/WDUrHI2MECY0WUBcq2JCJPm7igyDW4PI0L70icbpr9qOUyQkpkv62/lh8W5g+d7iXU/3PHumkK4qwYBjtjkucH8dnLPL36eeG28Yzlo4zUOu8uhDK8awtL6xEYLFSDSbI7+E0hct389FtifJFVU8dPn2ZQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b=GUfpMeUn; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="GUfpMeUn" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 689ECC19425; Fri, 24 Apr 2026 13:36:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1777037798; bh=myF9le/R6pGmIw8tiyhwd1Iy7g2x5mMlZx8UkRi5O80=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=GUfpMeUnr2ggotIvQlkhMrquftqxygXwYRjitm1e5SI2yhyg5pwIRRwCwlACzWbe0 uPacpiPJ9LT9BZutRSnszT0MvL5OnXW4ufvARGO168Fyeq1UNTNe5HB2THUyLF4mvC i3MnNmnsOinvlAMAb8+cacfVh1MW5E5qoQ6IINGA= Date: Fri, 24 Apr 2026 06:36:36 -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: <20260424063636.539c202e4d1326088843a0f2@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) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit 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. Sashiko: https://sashiko.dev/#/patchset/20260424-mglru-reclaim-v6-0-a57622d770c3@tencent.com