PG_double_map     674 include/linux/page-flags.h 	return PageHead(page) && test_bit(PG_double_map, &page[1].flags);
PG_double_map     680 include/linux/page-flags.h 	set_bit(PG_double_map, &page[1].flags);
PG_double_map     686 include/linux/page-flags.h 	clear_bit(PG_double_map, &page[1].flags);
PG_double_map     691 include/linux/page-flags.h 	return test_and_set_bit(PG_double_map, &page[1].flags);
PG_double_map     697 include/linux/page-flags.h 	return test_and_clear_bit(PG_double_map, &page[1].flags);