From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932431Ab2DFUbf (ORCPT ); Fri, 6 Apr 2012 16:31:35 -0400 Received: from mail-iy0-f174.google.com ([209.85.210.174]:63897 "EHLO mail-iy0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757941Ab2DFUbe (ORCPT ); Fri, 6 Apr 2012 16:31:34 -0400 Date: Fri, 6 Apr 2012 13:31:14 -0700 (PDT) From: Hugh Dickins X-X-Sender: hugh@eggly.anvils To: Andrew Morton cc: Mel Gorman , Linux-MM , LKML , Rik van Riel , Konstantin Khlebnikov , Hugh Dickins Subject: Re: [RFC PATCH 0/2] Removal of lumpy reclaim In-Reply-To: <20120406123439.d2ba8920.akpm@linux-foundation.org> Message-ID: References: <1332950783-31662-1-git-send-email-mgorman@suse.de> <20120406123439.d2ba8920.akpm@linux-foundation.org> User-Agent: Alpine 2.00 (LSU 1167 2008-08-23) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 6 Apr 2012, Andrew Morton wrote: > On Wed, 28 Mar 2012 17:06:21 +0100 > Mel Gorman wrote: > > > (cc'ing active people in the thread "[patch 68/92] mm: forbid lumpy-reclaim > > in shrink_active_list()") > > > > In the interest of keeping my fingers from the flames at LSF/MM, I'm > > releasing an RFC for lumpy reclaim removal. > > I grabbed them, thanks. I do have a concern with this: I was expecting lumpy reclaim to be replaced by compaction, and indeed it is when CONFIG_COMPACTION=y. But when CONFIG_COMPACTION is not set, we're back to 2.6.22 in relying upon blind chance to provide order>0 pages. Hugh