[root@soldier6 ~]# echo ::memstat | mdb -k
Page Summary                Pages                MB  %Tot
------------     ----------------  ----------------  ----
Kernel                    2685234             10489   16%
Boot pages                  69808               272    0%
ZFS File Data            11538805             45073   69%
Anon                      1348368              5267    8%
Exec and libs               15022                58    0%
Page cache                 195219               762    1%
Free (cachelist)            68803               268    0%
Free (freelist)            853176              3332    5%

Total                    16774435             65525
Physical                 16774433             65525