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Add a description of m_defragrandomfailures.

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silby 2003-04-15 02:26:13 +00:00
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share/man/man9/mbuf.9
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@ -532,6 +532,10 @@ and other mbuf-reliant parts of the kernel.
causes ip_output to fragment outgoing mbuf chains into fragments of
the specified size. Setting this option to 1 is an excellent way to
test the long mbuf chain handling ability of network drivers.
.Pp
.Va kern.ipc.m_defragrandomfailures
causes the function m_defrag to randomly fail, returning NULL. Any
piece of code which uses m_defrag should be tested with this feature.
.El
.Sh RETURN VALUES
See above.