LAST_CPUPID_MASK 815 include/linux/mm.h return xchg(&page->_last_cpupid, cpupid & LAST_CPUPID_MASK); LAST_CPUPID_MASK 824 include/linux/mm.h page->_last_cpupid = -1 & LAST_CPUPID_MASK; LAST_CPUPID_MASK 829 include/linux/mm.h return (page->flags >> LAST_CPUPID_PGSHIFT) & LAST_CPUPID_MASK; LAST_CPUPID_MASK 838 include/linux/mm.h page->flags &= ~(LAST_CPUPID_MASK << LAST_CPUPID_PGSHIFT); LAST_CPUPID_MASK 839 include/linux/mm.h page->flags |= (cpupid & LAST_CPUPID_MASK) << LAST_CPUPID_PGSHIFT;