PG_head           188 include/linux/page-flags.h 	return test_bit(PG_head, &page->flags) || PageTail(page);
PG_head           570 include/linux/page-flags.h #define PG_head_mask ((1UL << PG_head))
PG_head            99 include/trace/events/mmflags.h 	{1UL << PG_head,		"head"		},		\
PG_head           831 mm/memory-failure.c #define head		(1UL << PG_head)