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 79D9EC433F5 for ; Thu, 14 Apr 2022 21:40:05 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id F28A66B0071; Thu, 14 Apr 2022 17:40:04 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id EB11B6B0073; Thu, 14 Apr 2022 17:40:04 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id D2AE86B0074; Thu, 14 Apr 2022 17:40:04 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (relay.hostedemail.com [64.99.140.28]) by kanga.kvack.org (Postfix) with ESMTP id C477D6B0071 for ; Thu, 14 Apr 2022 17:40:04 -0400 (EDT) Received: from smtpin06.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay07.hostedemail.com (Postfix) with ESMTP id 95A8523959 for ; Thu, 14 Apr 2022 21:40:04 +0000 (UTC) X-FDA: 79356802728.06.5A28420 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by imf31.hostedemail.com (Postfix) with ESMTP id 189BF20002 for ; Thu, 14 Apr 2022 21:40:03 +0000 (UTC) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id E755162056; Thu, 14 Apr 2022 21:40:02 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id AED77C385A1; Thu, 14 Apr 2022 21:40:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1649972402; bh=jDhzXENpNbP/MiBdGm0JpBRVv9ehD6kcIrzqj40Dt0k=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=ZnnAQ5oe6wEw7GrBpdTWtB7yLXnthd71LhoQgGS5KIFYaxXLmXj+sAFr7xc8BYtVS X9H6GuGW5fHb1Gy6mg4m1e2SJMYw2BcwLIwYMZ09bzshKY7ey49n6kZi+08fJvKpWQ HYOk0gWH0Ca+b14n3Jcj6ROoVBHCcfdJeY8kCKgs= Date: Thu, 14 Apr 2022 14:39:59 -0700 From: Andrew Morton To: Yu Zhao Cc: Barry Song <21cnbao@gmail.com>, Stephen Rothwell , Linux-MM , Andi Kleen , Aneesh Kumar , Catalin Marinas , Dave Hansen , Hillf Danton , Jens Axboe , Jesse Barnes , Johannes Weiner , Jonathan Corbet , Linus Torvalds , Matthew Wilcox , Mel Gorman , Michael Larabel , Michal Hocko , Mike Rapoport , Rik van Riel , Vlastimil Babka , Will Deacon , Ying Huang , LAK , Linux Doc Mailing List , LKML , Kernel Page Reclaim v2 , x86 , Brian Geffon , Jan Alexander Steffens , Oleksandr Natalenko , Steven Barrett , Suleiman Souhlal , Daniel Byrne , Donald Carr , Holger =?ISO-8859-1?Q?Hoffst=E4tte?= , Konstantin Kharlamov , Shuang Zhai , Sofia Trinh , Vaibhav Jain Subject: Re: [PATCH v10 06/14] mm: multi-gen LRU: minimal implementation Message-Id: <20220414143959.0daf4534613f2511b9b27f11@linux-foundation.org> In-Reply-To: References: <20220407031525.2368067-1-yuzhao@google.com> <20220407031525.2368067-7-yuzhao@google.com> X-Mailer: Sylpheed 3.7.0 (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: rspam07 X-Rspamd-Queue-Id: 189BF20002 X-Stat-Signature: ddknf48htjaj6z74gdcd8kbd7e5acuh8 Authentication-Results: imf31.hostedemail.com; dkim=pass header.d=linux-foundation.org header.s=korg header.b=ZnnAQ5oe; spf=pass (imf31.hostedemail.com: domain of akpm@linux-foundation.org designates 139.178.84.217 as permitted sender) smtp.mailfrom=akpm@linux-foundation.org; dmarc=none X-HE-Tag: 1649972403-942602 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: On Thu, 14 Apr 2022 14:36:03 -0600 Yu Zhao wrote: > > or it is only something > > meaningful for the internal code? > > This is how swappiness is interpreted. > > > if so, can we rename it to > > something else? otherwise, it is quite confusing. > > Feel free to suggest something. It is confusing, swap_preference?