Messages in this thread |  | | | Subject | Re: is CONFIG_PACKET_MMAP always a win? | | Date | Fri, 22 Feb 2002 18:40:01 +0000 (GMT) | | From | Alan Cox <> |
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> > 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) - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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