From mboxrd@z Thu Jan  1 00:00:00 1970
From: Eric Wong <normalperson@yhbt.net>
Subject: Re: ppoll() stuck on POLLIN while TCP peer is sending
Date: Fri, 11 Jan 2013 00:51:05 +0000
Message-ID: <20130111005105.GA15023@dcvr.yhbt.net>
References: <20130110194212.GJ13304@suse.de>
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Cc: linux-mm@kvack.org, netdev@vger.kernel.org,
	linux-kernel@vger.kernel.org, Rik van Riel <riel@redhat.com>,
	Minchan Kim <minchan@kernel.org>,
	Eric Dumazet <eric.dumazet@gmail.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Linus Torvalds <torvalds@linux-foundation.org>
To: Mel Gorman <mgorman@suse.de>
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Mel Gorman <mgorman@suse.de> wrote:
> mm: compaction: Partially revert capture of suitable high-order page

<snip>
 
> Reported-by: Eric Wong <normalperson@yhbt.net>
> Cc: stable@vger.kernel.org
> Signed-off-by: Mel Gorman <mgorman@suse.de>

Thanks, my original use case and test works great after several hours!

Tested-by: Eric Wong <normalperson@yhbt.net>


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>

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