Move some foo_kern.c files to foo.c now that the old foo.c files are out
of the way.

Also cleaned up some whitespace and an emacs formatting comment.
Signed-off-by: NJeff Dike <jdike@addtoit.com>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>