Whether they're a user that is doing a scientific application that 
needs more than 3GB, or a large PAE machine that needs more 
ZONE_NORMAL, lots of people are applying patches to change 
PAGE_OFFSET.  This patch lets you do it in a config option.  It is a 
port from Andrea's 2.4 tree, and I believe that Ingo is the original 
author.

Andrea's patch didn't have a Config.help entry for this option, so I 
wrote one.  I may not have all of the necessary context to explain it, 
so any comments there would be appreciated.
-- 
Dave Hansen
haveblue@us.ibm.com