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Subject: Re: bdi_min_ratio never shrinks, ultimately preventing valid
 setting of min_ratio
From: Peter Zijlstra <peterz@infradead.org>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: lkml@pengaru.com, linux-kernel@vger.kernel.org,
        Wu Fengguang <fengguang.wu@intel.com>, miklos <miklos@szeredi.hu>
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Date: Wed, 08 Jun 2011 11:25:13 +0200
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On Tue, 2011-06-07 at 17:13 -0700, Andrew Morton wrote:

> I grabbed this, wrote a changelog and stuck your signed-off-by on it. 

Thanks, I was still waiting for feedback :/

> I also added a cc:stable but I didn't work out how far back in time it
> goes.  A long way, I think?

Yeah, ages ago:

commit 189d3c4a94ef19fca2a71a6a336e9fda900e25e7
Author: Peter Zijlstra <a.p.zijlstra@chello.nl>
Date:   Wed Apr 30 00:54:35 2008 -0700

    mm: bdi: allow setting a minimum for the bdi dirty limit

git describe --contains doesn't seem to want to give a -linus release,
my git foo is too weak :-(