From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753976Ab2G3P3u (ORCPT ); Mon, 30 Jul 2012 11:29:50 -0400 Received: from mail-pb0-f46.google.com ([209.85.160.46]:40243 "EHLO mail-pb0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753636Ab2G3P3t (ORCPT ); Mon, 30 Jul 2012 11:29:49 -0400 Date: Mon, 30 Jul 2012 08:29:44 -0700 From: Greg Kroah-Hartman To: Ben Hutchings Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org, torvalds@linux-foundation.org, akpm@linux-foundation.org, alan@lxorguk.ukuu.org.uk Subject: Re: [ 36/40] mm: vmscan: convert global reclaim to per-memcg LRU lists Message-ID: <20120730152944.GA21091@kroah.com> References: <20120726211424.GA7709@kroah.com> <20120726211411.164006056@linuxfoundation.org> <20120726211414.464540343@linuxfoundation.org> <1343607917.4642.29.camel@deadeye.wl.decadent.org.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1343607917.4642.29.camel@deadeye.wl.decadent.org.uk> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jul 30, 2012 at 01:25:17AM +0100, Ben Hutchings wrote: > On Thu, 2012-07-26 at 14:29 -0700, Greg Kroah-Hartman wrote: > > From: Greg KH > > > > 3.0-stable review patch. If anyone has any objections, please let me know. > > > > ------------------ > > > > From: Johannes Weiner > > > > commit b95a2f2d486d0d768a92879c023a03757b9c7e58 upstream - WARNING: this is a substitute patch. > > > > Stable note: Not tracked in Bugzilla. This is a partial backport of an > > upstream commit addressing a completely different issue > > that accidentally contained an important fix. The workload > > this patch helps was memcached when IO is started in the > > background. memcached should stay resident but without this patch > > it gets swapped. Sometimes this manifests as a drop in throughput > > but mostly it was observed through /proc/vmstat. > [...] > > The impact of the accidental fix is to make it harder for kswapd to force > > scan small targets by taking zone->all_unreclaimable into account. This > > patch is the closest equivalent available based on what is backported. > > > > --- > > mm/vmscan.c | 3 ++- > > 1 file changed, 2 insertions(+), 1 deletion(-) > [...] > > This is missing sign-offs. Oops, my fault, somehow they got lost, I'll go add them back (it's just Mel's and mine.) greg k-h