From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx127.postini.com [74.125.245.127]) by kanga.kvack.org (Postfix) with SMTP id 03BA96B004A for ; Wed, 11 Apr 2012 14:54:25 -0400 (EDT) Received: by yenm8 with SMTP id m8so899700yen.14 for ; Wed, 11 Apr 2012 11:54:25 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: <4F85BE78.8040205@redhat.com> References: <1334162298-18942-1-git-send-email-mgorman@suse.de> <1334162298-18942-2-git-send-email-mgorman@suse.de> <4F85BE78.8040205@redhat.com> From: KOSAKI Motohiro Date: Wed, 11 Apr 2012 14:54:04 -0400 Message-ID: Subject: Re: [PATCH 1/3] mm: vmscan: Remove lumpy reclaim Content-Type: text/plain; charset=ISO-8859-1 Sender: owner-linux-mm@kvack.org List-ID: To: Rik van Riel Cc: Mel Gorman , Andrew Morton , Konstantin Khlebnikov , Hugh Dickins , Ying Han , Linux-MM , LKML On Wed, Apr 11, 2012 at 1:25 PM, Rik van Riel wrote: > On 04/11/2012 12:38 PM, Mel Gorman wrote: >> >> Lumpy reclaim had a purpose but in the mind of some, it was to kick >> the system so hard it trashed. For others the purpose was to complicate >> vmscan.c. Over time it was giving softer shoes and a nicer attitude but >> memory compaction needs to step up and replace it so this patch sends >> lumpy reclaim to the farm. >> >> The tracepoint format changes for isolating LRU pages with this patch >> applied. Furthermore reclaim/compaction can no longer queue dirty pages in >> pageout() if the underlying BDI is congested. Lumpy reclaim used this >> logic >> and reclaim/compaction was using it in error. >> >> Signed-off-by: Mel Gorman > > Acked-by: Rik van Riel Acked-by: KOSAKI Motohiro -- 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