Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754269Ab2ERPHz (ORCPT ); Fri, 18 May 2012 11:07:55 -0400 Received: from mx1.redhat.com ([209.132.183.28]:29026 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753024Ab2ERPHx (ORCPT ); Fri, 18 May 2012 11:07:53 -0400 Message-ID: <4FB665B8.8000300@redhat.com> Date: Fri, 18 May 2012 11:07:36 -0400 From: Rik van Riel User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:12.0) Gecko/20120430 Thunderbird/12.0.1 MIME-Version: 1.0 To: nai.xia@gmail.com 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> <20120516065132.GC1769@cmpxchg.org> <4FB3A416.9010703@gmail.com> <20120517210849.GE1800@cmpxchg.org> <4FB5C5A7.6080000@gmail.com> In-Reply-To: <4FB5C5A7.6080000@gmail.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 891 Lines: 26 On 05/17/2012 11:44 PM, Nai Xia wrote: > But I do think that Clock-pro deserves its credit, since after all > it's that research work firstly brought the idea of "refault/reuse > distance" to the kernel community. The ARC people did that, too. > Further more, it's also good > to let the researchers and the community to together have some > brain-storm of this problem if it's really hard to deal with in > reality. How much are researchers interested in the real world constraints that OS developers have to deal with? Often scalability is as much of a goal as being good at selecting the right page to replace... -- All rights reversed -- 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/