On Mon, 23 Dec 1996 22:22:32 +0000 (GMT) 
 Iain Hibbert <plunky@skate.demon.co.uk> wrote:

 > strangely enough, "print nbuf" before I did the set showed it to be zero 
 > - is this right?  (I hadn't actually run the kernel yet when I tried it) 
 > but it shows it to be 128 now (permanently)

It's initialized to 0 so that it's patchable.  The kernel only computes
the value at run-time if it's still 0.

Jason R. Thorpe                                       thorpej@nas.nasa.gov
NASA Ames Research Center                               Home: 408.866.1912
NAS: M/S 258-6                                          Work: 415.604.0935
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