K 10
svn:author
V 5
kmacy
K 8
svn:date
V 27
2009-09-26T20:43:00.386710Z
K 7
svn:log
V 239
- rather than evicting from one list and skewing the weighting, evict one buffer from each list
  until we've examined all buffers or we've hit the eviction target

- never evict if we're below arc_min
- always evict if we'r above arc_max

END