From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755911Ab0CXLtv (ORCPT ); Wed, 24 Mar 2010 07:49:51 -0400 Received: from gir.skynet.ie ([193.1.99.77]:43408 "EHLO gir.skynet.ie" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755901Ab0CXLtt (ORCPT ); Wed, 24 Mar 2010 07:49:49 -0400 Date: Wed, 24 Mar 2010 11:49:31 +0000 From: Mel Gorman To: Greg KH Cc: Andrew Morton , Christian Ehrhardt , linux-mm@kvack.org, Nick Piggin , Chris Mason , Jens Axboe , linux-kernel@vger.kernel.org, Corrado Zoccolo , Rik van Riel , Johannes Weiner Subject: Re: [RFC PATCH 0/3] Avoid the use of congestion_wait under zone pressure Message-ID: <20100324114930.GG21147@csn.ul.ie> References: <20100315130935.f8b0a2d7.akpm@linux-foundation.org> <20100322235053.GD9590@csn.ul.ie> <20100324023837.GH4359@suse.de> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-15 Content-Disposition: inline In-Reply-To: <20100324023837.GH4359@suse.de> User-Agent: Mutt/1.5.17+20080114 (2008-01-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Mar 23, 2010 at 07:38:37PM -0700, Greg KH wrote: > On Mon, Mar 22, 2010 at 11:50:54PM +0000, Mel Gorman wrote: > > 2. TTY using high order allocations more frequently > > fix title: ttyfix > > fixed in mainline? yes, in 2.6.34-rc2 > > affects: 2.6.31 to 2.6.34-rc1 > > > > 2.6.31 made pty's use the same buffering logic as tty. Unfortunately, > > it was also allowed to make high-order GFP_ATOMIC allocations. This > > triggers some high-order reclaim and introduces some stalls. It's > > fixed in 2.6.34-rc2 but needs back-porting. > > It will go to the other stable kernels for their next round of releases > now that it is in Linus's tree. > Great. > > Next Steps > > ========== > > > > Jens, any problems with me backporting the async/sync fixes from 2.6.31 to > > 2.6.30.x (assuming that is still maintained, Greg?)? > > No, .30 is no longer being maintained. > Right, I won't lose any sleep over 2.6.30.dodo so :) Thanks -- Mel Gorman Part-time Phd Student Linux Technology Center University of Limerick IBM Dublin Software Lab