rem: D(if (blocks > 512) PRINT(("range of %ld blocks starting at %ld\n",blocks,start)));
context: AllocationGroup::AddFreeRange(int32 start, int32 blocks){	D(if (blocks > 512)		PRINT(("range of %ld blocks starting at %ld\n",blocks,start)));	if (fFirstFree == -1)		fFirstFree = start;	if (fLargest < blocks) {		fLargest = blocks;		fLargestFirst = start;	}	fFreeBits += blocks;}