From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 676E6C52D7C for ; Tue, 13 Aug 2024 18:33:23 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 028376B008A; Tue, 13 Aug 2024 14:33:23 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id F1A016B0095; Tue, 13 Aug 2024 14:33:22 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id DE1736B0098; Tue, 13 Aug 2024 14:33:22 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0012.hostedemail.com [216.40.44.12]) by kanga.kvack.org (Postfix) with ESMTP id B314F6B008A for ; Tue, 13 Aug 2024 14:33:22 -0400 (EDT) Received: from smtpin30.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay01.hostedemail.com (Postfix) with ESMTP id 4F3221C3F70 for ; Tue, 13 Aug 2024 18:33:22 +0000 (UTC) X-FDA: 82448069844.30.6A927C1 Received: from sin.source.kernel.org (sin.source.kernel.org [145.40.73.55]) by imf06.hostedemail.com (Postfix) with ESMTP id 1361418000E for ; Tue, 13 Aug 2024 18:33:19 +0000 (UTC) Authentication-Results: imf06.hostedemail.com; dkim=pass header.d=linux-foundation.org header.s=korg header.b="16hU/NNH"; spf=pass (imf06.hostedemail.com: domain of akpm@linux-foundation.org designates 145.40.73.55 as permitted sender) smtp.mailfrom=akpm@linux-foundation.org; dmarc=none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1723573929; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=4OhDIBeuw9ycWAcpPQN8Rqp8dQrCy2F5DzkH82lxEK8=; b=k3LDr2JsOtnyqqHckkblsfPnAe+AHpn38nTKIJ81IrjHoO0fxqYFnbRM4FrPkKuntvY22Y xV5gaeBG+zZqLsZyrLbsfwR+okmJmigrRuhmzUdrofOPgRd+KwlsPgT5+zsgw7HAAmtWBN qsA9NCSM9w5j1KRQsssfRr4xYf/uQuA= ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1723573929; a=rsa-sha256; cv=none; b=GXBIRXRre75moZw//m21UCDyrT20c4XLmrQxehujKq1TxpkDmb8NFeS7BjXEe7LW/V1NSQ CtCb/8ljZPzpXv1jTWp3eegGIhcfFMxxSFhCJO2iOQMRmWF7So0Cc2QBEMd1Jdjny7kVoE AePjajye2yfY2z4fG2zdTDlRfaF27TI= ARC-Authentication-Results: i=1; imf06.hostedemail.com; dkim=pass header.d=linux-foundation.org header.s=korg header.b="16hU/NNH"; spf=pass (imf06.hostedemail.com: domain of akpm@linux-foundation.org designates 145.40.73.55 as permitted sender) smtp.mailfrom=akpm@linux-foundation.org; dmarc=none Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sin.source.kernel.org (Postfix) with ESMTP id 246ADCE16F9; Tue, 13 Aug 2024 18:33:16 +0000 (UTC) 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) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspam-User: X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: 1361418000E X-Stat-Signature: nk6prbm5f663zoutzkc9itsdq18pz4rq X-HE-Tag: 1723573999-692904 X-HE-Meta: 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 QsDDpurG bBsJyZXoi4osT5qgqfxQhKD5ZDCcpyq/nL03uu+Itu9GWJYD+rCjaFxGRFC/I/1TZ+qvDqXL4X30UXPrxa4hp1yLGKT9DYwn3J+iz/GQVEziKK8MZnfAZBl16OdKLwTYBwUKuvB7HUHDvAVm0pYWH11+TzFw0XrvE27nbanYoIvShdLPfF557dKE41th1uOG58x6vK4lC6h/buEnhogHSROv1qA4otF4hxtM+EvaqvVqIoncSbvMBM5NXEs71hOLn86XQ8jYWRkVTqZLEFsGGwTjY0T4z69MGm2qApG4NqvT6KgKAl60iNDU+5NiVQUfYsQSAz2OpTPQ0Yru0ooZgRgGH9g== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: 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!