NODES_PGSHIFT 771 include/linux/mm.h return (page->flags >> NODES_PGSHIFT) & NODES_MASK; NODES_PGSHIFT 914 include/linux/mm.h page->flags &= ~(NODES_MASK << NODES_PGSHIFT); NODES_PGSHIFT 915 include/linux/mm.h page->flags |= (node & NODES_MASK) << NODES_PGSHIFT;