Increasing number of groups in 4.2 - Info wanted

[Bruce Freeman]

We are planning to increase the number of groups one can be simultaneously in
from 8 to 32. We actually only need around 10 at this time but 32 should mean
we never have to recompile all the kernel source for this reason again. The
change seemed fairly straightforward but then I ran across an oblique comment
that increasing the number of groups may cause trouble with UPAGES becoming too
big. Has anyone actually increased the number of groups to 16 or 32? Suggestions
and information on size limitations and subtle dependencies would be welcome. It
helps when asking for test time from management that you are fairly sure the
change will work! Thanks for any information received.
-- 
Bruce Freeman	University of Toronto	{decvax|ihnp4|utzoo}!utcs!bjf