From what I read in the linked msdn blog link (http://blogs.msdn.com/b/tims/archive/2010/10/29/pdc10-mysteries-of-windows-memory-management-revealed-part-two.as

From what I read in the linked msdn blog link (http://blogs.msdn.com/b/tims/archive/2010/10/29/pdc10-mysteries-of-windows-memory-management-revealed-part-two.aspx http://blogs.msdn.com/b/tims/archive/2010/10/29/pdc10-myster...) it sure seems like it's a list.