* gc.c: Rename free_min to min_free_slots and free_min_page to max_free_slots. The algorithm for heap growth is:

    if (swept_slots < min_free_slots) pages++
    if (swept_slots > max_free_slots) pages--

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43399 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* 2013-10-24

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43400 b2dd03c8-39d4-4d8f-98ff-823fe69b080e