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 8D7D11CA89; Tue, 13 Aug 2024 18:33:15 +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=1723573995; cv=none; b=lv/GF5B/PF4s+NX1/e55fDZCQICJKzz7TJDMRViARy5ZcxZdUIZh4eP2hKQVsPE2lTbbVNcKpPToznKNCRp00NaSgPsGDOgYOmtSgtqQVvJ9a8UL5W+whc8MyPHbYreifcaoag9cKYl2u9hFblSN1PPae289NH+3SQg89GhNQRA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723573995; c=relaxed/simple; bh=KWDKWjxE1E/s3QH15Hq35qO4ScPFX3+4IcVvJdtREl0=; h=Date:From:To:Cc:Subject:Message-Id:In-Reply-To:References: Mime-Version:Content-Type; b=UvNYOrnHNMFzb75WWQffl+tuIP/VD27EDQ+I0M/YL77NLBvBzTHKljKgufBsdVP5EutCCQs313aq5bZLcjy/FOZrZJQaLF0zXMs07krl42tuw5aotx6UECXsea4B6Ya1bR550b2L8lUwcsa3mK4dd0NFZlKY5YfIJBGJzI1knFc= 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=16hU/NNH; 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="16hU/NNH" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E23CDC32782; Tue, 13 Aug 2024 18:33:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1723573995; bh=KWDKWjxE1E/s3QH15Hq35qO4ScPFX3+4IcVvJdtREl0=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=16hU/NNHYwuhJAbfzotkgWfso/3cOiglyCcrwFjNI38PqvFno4xiVLWbcohboe1RH q8mKXD992a9LedQWWQ4oa/2ix0CehYUTOrAziOs3gNvf5hwENzAmrOnUG9TOcowVBR t/zBC9UVG286GNOHG6GisP2ZCZhPgLVomUZWyBM0= Date: Tue, 13 Aug 2024 11:33:13 -0700 From: Andrew Morton To: Yuanchu Xie Cc: David Hildenbrand , "Aneesh Kumar K.V" , Khalid Aziz , Henry Huang , Yu Zhao , Dan Williams , Gregory Price , Huang Ying , Lance Yang , Randy Dunlap , Muhammad Usama Anjum , Kalesh Singh , Wei Xu , David Rientjes , Greg Kroah-Hartman , "Rafael J. Wysocki" , Johannes Weiner , Michal Hocko , Roman Gushchin , Muchun Song , Shuah Khan , Yosry Ahmed , Matthew Wilcox , Sudarshan Rajagopalan , Kairui Song , "Michael S. Tsirkin" , Vasily Averin , Nhat Pham , Miaohe Lin , Qi Zheng , Abel Wu , "Vishal Moola (Oracle)" , Kefeng Wang , linux-kernel@vger.kernel.org, linux-mm@kvack.org, cgroups@vger.kernel.org, linux-kselftest@vger.kernel.org Subject: Re: [PATCH v3 0/7] mm: workingset reporting Message-Id: <20240813113313.1af3a5d7db7134a354a4cda3@linux-foundation.org> In-Reply-To: <20240813165619.748102-1-yuanchu@google.com> References: <20240813165619.748102-1-yuanchu@google.com> X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Precedence: bulk X-Mailing-List: linux-kselftest@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 Tue, 13 Aug 2024 09:56:11 -0700 Yuanchu Xie wrote: > This patch series provides workingset reporting of user pages in > lruvecs, of which coldness can be tracked by accessed bits and fd > references. Very little reviewer interest. I wonder why. Will Google be the only organization which finds this useful? > Benchmarks > ========== > Ghait Ouled Amar Ben Cheikh has implemented a simple "reclaim everything > colder than 10 seconds every 40 seconds" policy and ran Linux compile > and redis from the phoronix test suite. The results are in his repo: > https://github.com/miloudi98/WMO I'd suggest at least summarizing these results here in the [0/N]. The Linux kernel will probably outlive that URL!