svn commit: r192544 - head/sys/kern

Ed Schouten ed at
Thu May 21 16:42:43 UTC 2009

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.

 Ed Schouten <ed at>
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