K 10 svn:author V 6 jasone K 8 svn:date V 27 2008-07-18T19:35:44.515323Z K 7 svn:log V 298 Enhance arena_chunk_map_t to directly support run coalescing, and use the chunk map instead of red-black trees where possible. Remove the red-black trees and node objects that are obsoleted by this change. The net result is a ~1-2% memory savings, and a substantial allocation speed improvement. END