nbits_reg        1034 lib/bitmap.c   	int nbits_reg;		/* number of bits in region */
nbits_reg        1047 lib/bitmap.c   	nbits_reg = 1 << order;
nbits_reg        1050 lib/bitmap.c   	nlongs_reg = BITS_TO_LONGS(nbits_reg);
nbits_reg        1051 lib/bitmap.c   	nbitsinlong = min(nbits_reg,  BITS_PER_LONG);