If it's off by default there is no issue.

On 2010-2-22, at 1:03, David Miller wrote:

> From: Lars Eggert <lars.eggert@nokia.com>
> Date: Sun, 21 Feb 2010 22:04:46 +0200
> 
>> Agree with Alexander. It is not at all clear to me that these
>> changes are safe for non-exerimental use in the wider Internet.
> 
> It's off by default and we provide all sorts of experimental
> congestion control algorithms which can cause just as much
> if not more trouble than these thin-stream bits.
> 
> There is no problem integrating these changes.