OO_SHIFT          191 mm/slub.c      #define OO_MASK		((1 << OO_SHIFT) - 1)
OO_SHIFT          333 mm/slub.c      		(order << OO_SHIFT) + order_objects(order, size)
OO_SHIFT          341 mm/slub.c      	return x.x >> OO_SHIFT;