maxnode is a bit index and can't be directly compared against a byte length
like PAGE_SIZE
Signed-off-by: NAndi Kleen <ak@suse.de>
Cc: Chris Wright <chrisw@sous-sol.org>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>