On Sat, May 05, 2001 at 04:04:27PM -0700, Archie Cobbs wrote:
> Jonathan Lemon writes:
> > >Please consider the case where there are two mbuf chains being
> > >transmitted, which look like this:
> > 
> > Um.  "Not Possible".  
> I thought m_copypacket() of a cluster mbuf would yield exactly
> this situation (two headers pointing to the same data region).

Well, only external mbufs can be shared, not mbuf chains; and clusters
are accessed through the (unused) mbuf that comprises the chain.

I believe Terry may have been referring to some local modifications
that is in his code, which permits the scenario he describes.

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