From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx138.postini.com [74.125.245.138]) by kanga.kvack.org (Postfix) with SMTP id 3B8D26B004D for ; Fri, 30 Dec 2011 10:51:32 -0500 (EST) Date: Fri, 30 Dec 2011 15:51:27 +0000 From: Mel Gorman Subject: Re: [PATCH 3/3] mm: take pagevecs off reclaim stack Message-ID: <20111230155127.GG15729@suse.de> References: <20111229145548.e34cb2f3.akpm@linux-foundation.org> <4EFD04B2.7050407@gmail.com> <20111229195917.13f15974.akpm@linux-foundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-15 Content-Disposition: inline In-Reply-To: <20111229195917.13f15974.akpm@linux-foundation.org> Sender: owner-linux-mm@kvack.org List-ID: To: Andrew Morton Cc: Hugh Dickins , KOSAKI Motohiro , Konstantin Khlebnikov , linux-mm@kvack.org, Mel Gorman On Thu, Dec 29, 2011 at 07:59:17PM -0800, Andrew Morton wrote: > > > Now, a way out here is to remove lumpy reclaim (please). And make the > problem not come back by promising to never call putback_lru_pages(lots > of pages) (how do we do this?). > > So I think the best way ahead here is to distribute this patch in the > same release in which we remove lumpy reclaim (pokes Mel). > I'll take a look at this in the New Years. Removing lumpy reclaim is straight-forward. Making sure that it does not ruin THP allocation success rates will be the time consuming part. -- Mel Gorman SUSE Labs -- 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