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/freebsd-11-stable/sys/kern/
H A Duipc_mbuf.cdiff 165447 Thu Dec 21 17:58:04 MST 2006 rrs The prepend function did not handle non-pkthdr's correctly.
It always called MH_ALIGN for small lengths being
prepended (less than MHLEN). This meant that if you did
a prepend on a non M_PKTHDR the system would panic with
the KASSERT in MH_ALIGN. Instead we are not aware of
this and do a MH_ALIGN or M_ALIGN as appropriate.

Reviewed by: andre
Approved by: gnn

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