K 10
svn:author
V 4
jeff
K 8
svn:date
V 27
2013-06-17T03:43:47.753120Z
K 7
svn:log
V 651
 - Add a new UMA API: uma_zcache_create().  This makes a zone without any
   backing memory that is only a container for per-cpu caches of arbitrary
   pointer items.  These zones have no kegs.
 - Convert the regular keg based allocator to use the new import/release
   functions.
 - Move some stats to be atomics since they would require excessive zone
   locking/unlocking with the new import/release paradigm.  Make
   zone_free_item simpler now that callers can manage more stats.
 - Check for these cache-only zones in the public APIs and debugging
   code by checking zone_first_keg() against NULL.

Sponsored by:	EMC / Isilong Storage Division

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