From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx168.postini.com [74.125.245.168]) by kanga.kvack.org (Postfix) with SMTP id 066336B0082 for ; Thu, 17 May 2012 09:11:45 -0400 (EDT) Message-ID: <4FB4F902.1050708@redhat.com> Date: Thu, 17 May 2012 09:11:30 -0400 From: Rik van Riel MIME-Version: 1.0 Subject: Re: [patch 0/5] refault distance-based file cache sizing References: <1335861713-4573-1-git-send-email-hannes@cmpxchg.org> <4FB33A4E.1010208@gmail.com> In-Reply-To: <4FB33A4E.1010208@gmail.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: "nai.xia" Cc: Johannes Weiner , linux-mm@kvack.org, Andrea Arcangeli , Peter Zijlstra , Mel Gorman , Andrew Morton , Minchan Kim , Hugh Dickins , KOSAKI Motohiro , linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org On 05/16/2012 01:25 AM, nai.xia wrote: > Hi Johannes, > > Just out of curiosity(since I didn't study deep into the > reclaiming algorithms), I can recall from here that around 2005, > there was an(or some?) implementation of the "Clock-pro" algorithm > which also have the idea of "reuse distance", but it seems that algo > did not work well enough to get merged? The main issue with clock-pro was scalability. Johannes has managed to take the good parts of clock-pro, and add it on top of our split lru VM, which lets us keep the scalability, while still being able to deal with file faults from beyond the inactive list. -- All rights reversed -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org