This allows us to use executables >2GB.

Based on a patch by Dave Anderson
Signed-off-by: NAndi Kleen <ak@suse.de>
Cc: Dave Anderson <anderson@redhat.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>