7831 want vmem manual pages
7832 big theory statements need a place in the manual

*** 39,48 ****
--- 39,51 ----
   *      Arbitrary Resources.
   *
   *      Proceedings of the 2001 Usenix Conference.
   *      Available as http://www.usenix.org/event/usenix01/bonwick.html
   *
+  * Section 1, below, is also the primary contents of vmem(9).  If for some
+  * reason you are updating this comment, you will also wish to update the
+  * manual.
   *
   * 1. General Concepts
   * -------------------
   *
   * 1.1 Overview