From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx115.postini.com [74.125.245.115]) by kanga.kvack.org (Postfix) with SMTP id D56466B007E for ; Wed, 11 Apr 2012 14:52:40 -0400 (EDT) Message-ID: <4F85BE78.8040205@redhat.com> Date: Wed, 11 Apr 2012 13:25:12 -0400 From: Rik van Riel MIME-Version: 1.0 Subject: Re: [PATCH 1/3] mm: vmscan: Remove lumpy reclaim References: <1334162298-18942-1-git-send-email-mgorman@suse.de> <1334162298-18942-2-git-send-email-mgorman@suse.de> In-Reply-To: <1334162298-18942-2-git-send-email-mgorman@suse.de> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Mel Gorman Cc: Andrew Morton , Konstantin Khlebnikov , Hugh Dickins , Ying Han , Linux-MM , LKML 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 -- 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