ZONES_MASK        737 include/linux/mm.h 	return (page->flags >> ZONES_PGSHIFT) & ZONES_MASK;
ZONES_MASK        908 include/linux/mm.h 	page->flags &= ~(ZONES_MASK << ZONES_PGSHIFT);
ZONES_MASK        909 include/linux/mm.h 	page->flags |= (zone & ZONES_MASK) << ZONES_PGSHIFT;