K 10
svn:author
V 3
pjd
K 8
svn:date
V 27
2008-03-16T21:29:02.000000Z
K 7
svn:log
V 333
- Use wait-free method to manage ui_sbsize and ui_proccnt fields in the
  uidinfo structure. This entirely removes contention observed on the
  ui_mtxp mutex (as it is now gone).
- Convert the uihashtbl_mtx mutex to a rwlock, as most of the time we just
  need to read-lock it.

Reviewed by:	jhb, jeff, kris & others
Tested by:	kris

END