Oops. 

Don't use pre1 without removing the "DEBUG_LRU_PAGE()" line
in mm/swap.c: __del_cache_del() - I uploaded an old diff, and 
since it's 4:30 AM I'm too tired to generate the correct one.

(Not removing the line will cause a nice oops very early on, 
nothing bad will happen).

	Linus "off to sleep" Torvalds