From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail138.messagelabs.com (mail138.messagelabs.com [216.82.249.35]) by kanga.kvack.org (Postfix) with SMTP id AC7336B0170 for ; Wed, 31 Aug 2011 11:03:05 -0400 (EDT) Date: Wed, 31 Aug 2011 17:03:00 +0200 From: Johannes Weiner Subject: Re: [PATCH 3/3] compaction accouting fix Message-ID: <20110831150300.GC19122@redhat.com> References: <282a4531f23c5e35cfddf089f93559130b4bb660.1321112552.git.minchan.kim@gmail.com> <20110831113710.GC17512@redhat.com> <20110831145651.GA2198@barrios-desktop> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20110831145651.GA2198@barrios-desktop> Sender: owner-linux-mm@kvack.org List-ID: To: Minchan Kim Cc: Andrew Morton , linux-mm , LKML , Mel Gorman , Rik van Riel On Wed, Aug 31, 2011 at 11:56:51PM +0900, Minchan Kim wrote: > On Wed, Aug 31, 2011 at 01:37:10PM +0200, Johannes Weiner wrote: > > It's a teensy-bit awkward that isolate_migratepages() can return > > success without actually isolating any new pages, just because there > > are still some pages left from a previous run (cc->nr_migratepages is > > maintained across isolation calls). > > If migrate_pages fails, we reset cc->nr_migratepages to zero in compact_zone. > Am I missing something? Brainfart on my side, sorry. It's all good, then :) -- 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