K 10
svn:author
V 4
jeff
K 8
svn:date
V 27
2013-06-13T21:05:38.066033Z
K 7
svn:log
V 506
 - Convert the slab free item list from a linked array of indices to a
   bitmap using sys/bitset.  This is much simpler, has lower space
   overhead and is cheaper in most cases.
 - Use a second bitmap for invariants asserts and improve the quality of
   the asserts as well as the number of erroneous conditions that we will
   catch.
 - Drastically simplify sizing code.  Special case refcnt zones since they
   will be going away.
 - Update stale comments.

Sponsored by:	EMC / Isilon Storage Division

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