Messages in this thread | | | Subject | Re: is CONFIG_PACKET_MMAP always a win? | Date | Fri, 22 Feb 2002 02:33:02 +0000 (GMT) | From | Alan Cox <> |
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> c) enable CONFIG_PACKET_MMAP, use PACKET_RX_RING, and read packets from an mmap'd ring buffer > 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.
Why are you copying it out of the ring not processing it in place ? - 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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