bad_page() only prints out 8 hexadecimal digits of page->flags regardless
of sizeof(page_flags_t).  This leads to confusing and/or incomplete bug
reports.  The following patch uses a field width argument to replace the
hardcoded %08lx so that bad_page() may print the whole of page->flags.
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>