K 10 svn:author V 10 nwhitehorn K 8 svn:date V 27 2012-05-20T14:33:28.738091Z K 7 svn:log V 317 Replace the list of PVOs owned by each PMAP with an RB tree. This simplifies range operations like pmap_remove() and pmap_protect() as well as allowing simple operations like pmap_extract() not to involve any global state. This substantially reduces lock coverages for the global table lock and improves concurrency. END