BL_LIMIT          671 gc/allchblk.c  	      } else if (size_needed > (signed_word)BL_LIMIT
BL_LIMIT          673 gc/allchblk.c  			    > (signed_word)BL_LIMIT) {
BL_LIMIT         1023 gc/alloc.c     	      slop = 2*divHBLKSZ(BL_LIMIT);