Re: is CONFIG_PACKET_MMAP always a win?

[Alan Cox]

> >    Overhead: kernel does a full memcpy of the packet body to get it
> >    into the ring buffer, and my program does another to get it out.
> 
> I had a look at this about a year ago, and it seems there is no method
> provided to read the packets without copying them, if you need them in
> user space.

You can process them in the ring buffer. If you can't keep up then you
are screwed any way you look at it 8)