STABLE_FLAG       218 mm/ksm.c       #define KSM_FLAG_MASK	(SEQNR_MASK|UNSTABLE_FLAG|STABLE_FLAG)
STABLE_FLAG       775 mm/ksm.c       	if (rmap_item->address & STABLE_FLAG) {
STABLE_FLAG      2017 mm/ksm.c       	rmap_item->address |= STABLE_FLAG;