Format %pG expects a lower case 'p' in order to print the flags.
Fix it.

Link: https://lkml.kernel.org/r/20210108085202.4506-1-osalvador@suse.de
Fixes: 8295d535 ("mm,hwpoison: refactor get_any_page")
Signed-off-by: NOscar Salvador <osalvador@suse.de>
Reported-by: NDan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: NAnshuman Khandual <anshuman.khandual@arm.com>
Acked-by: NNaoya Horiguchi <naoya.horiguchi@nec.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>