svn commit: r192544 - head/sys/kern

Kostik Belousov kostikbel at
Thu May 21 16:46:20 UTC 2009

On Thu, May 21, 2009 at 06:42:42PM +0200, Ed Schouten wrote:
> Hi Kostik,
> I forgot to mention something,
> * Ed Schouten <ed at> wrote:
> > Because it reduces performance significantly. If I remember correctly,
> > UMTS devices (u3g, etc) have big buffer sizes. This means that we have
> > to zero a lot of memory.
> > 
> > The code was already present, but not enabled, so I thought it would
> > have been better to at least offer it as an easy to enable feature.
> I am willing to enable it by default. I'd rather leave the sysctl there,
> to make it easier for people to revert to the old behaviour if it turns
> out to be a problem.
I think this would be much better.
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