Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757538Ab2ERFDZ (ORCPT ); Fri, 18 May 2012 01:03:25 -0400 Received: from mail-pb0-f46.google.com ([209.85.160.46]:46361 "EHLO mail-pb0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756929Ab2ERFDW (ORCPT ); Fri, 18 May 2012 01:03:22 -0400 Message-ID: <4FB5D80B.8060000@gmail.com> Date: Fri, 18 May 2012 13:03:07 +0800 From: Nai Xia Reply-To: nai.xia@gmail.com Organization: NJU User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:12.0) Gecko/20120430 Thunderbird/12.0.1 MIME-Version: 1.0 To: Rik van Riel 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 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> <4FB4F902.1050708@redhat.com> In-Reply-To: <4FB4F902.1050708@redhat.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 979 Lines: 27 On 2012年05月17日 21:11, Rik van Riel wrote: > 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. > Hmm, I see. Thanks for the reply. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/