From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754258Ab3AKJax (ORCPT ); Fri, 11 Jan 2013 04:30:53 -0500 Received: from cantor2.suse.de ([195.135.220.15]:52399 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753330Ab3AKJav (ORCPT ); Fri, 11 Jan 2013 04:30:51 -0500 Date: Fri, 11 Jan 2013 09:30:49 +0000 From: Mel Gorman To: Eric Wong Cc: linux-mm@kvack.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Rik van Riel , Minchan Kim , Eric Dumazet , Andrew Morton , Linus Torvalds Subject: Re: ppoll() stuck on POLLIN while TCP peer is sending Message-ID: <20130111093049.GL13304@suse.de> References: <20130110194212.GJ13304@suse.de> <20130111005105.GA15023@dcvr.yhbt.net> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-15 Content-Disposition: inline In-Reply-To: <20130111005105.GA15023@dcvr.yhbt.net> 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 Fri, Jan 11, 2013 at 12:51:05AM +0000, Eric Wong wrote: > Mel Gorman wrote: > > mm: compaction: Partially revert capture of suitable high-order page > > > > > Reported-by: Eric Wong > > Cc: stable@vger.kernel.org > > Signed-off-by: Mel Gorman > > Thanks, my original use case and test works great after several hours! > > Tested-by: Eric Wong > Thanks very much Eric. I've resent the patch to Andrew so it should make its way to mainline. It'll fail to apply to 3.7-stable but I should get a notification from Greg when that happens and fix it up. > Unfortunately, I also hit a new bug in 3.8 (not in 3.7.x). based on Eric > Dumazet's observations, sk_stream_wait_memory may be to blame. > Fortunately this is easier to reproduce (I've cc-ed participants > on this thread already): <20130111004915.GA15415@dcvr.yhbt.net> It looks like the relevant fix for this has already been written by Eric Dumazet and picked up by David Miller. -- Mel Gorman SUSE Labs