Messages in this thread | | | Date | Sun, 25 Feb 2001 01:16:40 +0100 | From | Andi Kleen <> | Subject | Re: New net features for added performance |
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On Sat, Feb 24, 2001 at 07:13:14PM -0500, Jeff Garzik wrote: > Sorry... I should also point out that I was thinking of tulip > architecture and similar architectures, where you have a fixed number of > Skbs allocated at all times, and that number doesn't change for the > lifetime of the driver. > > Clearly not all cases would benefit from skb recycling, but there are a > number of rx-ring-based systems where this would be useful, and (AFAICS) > reduce the work needed to be done by the system, and reduce the amount > of overall DMA traffic by a bit.
A simple way to do it currently is just to compare the new skb with the old one. If it is the same, do a shortcut. That should usually work out when the system has enough memory.
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