NetBSD master CVS tree commits

[source%NetBSD.ORG@localhost]

pk
Mon Mar  3 15:07:16 PST 1997
Update of /cvsroot/src/sys/arch/sparc/sparc
In directory netbsd1:/var/slash-tmp/cvs-serv2812

Modified Files:
        machdep.c 
Log Message:
Fix calculation of max virtual memory to be gobbled up by the buffer cache.
Apply "stop-gap" nbuf clamp only on sun4/4c and if nbuf not explicitly
configured in.