112  * table used for determining buddy sizes within characters of
115  * binary buddy of free bits within the character.
367 	/* block to be freed better be within the mapsize. */  in dbFree()
463 	/* the blocks better be within the mapsize. */  in dbUpdatePMap()
498 		/* determine the bit number and word within the dmap of  in dbUpdatePMap()
500 		 * are to be updated within this dmap.  in dbUpdatePMap()
515 			/* determine the bit number within the word and  in dbUpdatePMap()
516 			 * the number of bits within the word.  in dbUpdatePMap()
609  *		Within the allocation groups, we maintain a preferred
639 	/* determine the average number of free blocks within the ags. */  in dbNextAG()
701  *		allocate within the same dmap as contains the hint.
705  *		within the same allocation group as contains the hint. if
707  *		within the aggregate.
709  *		we also try to allocate anywhere within the aggregate for
750 	/* the hint should be within the map */  in dbAlloc()
785 	 * if so, check if we should allow allocations within this  in dbAlloc()
852 		/* try to satisfy the allocation request with blocks within  in dbAlloc()
868 	/* try to satisfy the allocation request with blocks within  in dbAlloc()
885 	/* Try to allocate within this allocation group.  if that fails, try to  in dbAlloc()
988  *	nblocks	    -  number of contiguous blocks within the current
1042  *	nblocks	    -  number of contiguous blocks within the current
1079 	/* better be within the file system */  in dbExtend()
1135  *		range within a dmap.
1167 	/* determine the bit number and word within the dmap of the  in dbAllocNext()
1173 	/* check if the specified block range is contained within  in dbAllocNext()
1187 	 * last words may be contained within the block range.  if this  in dbAllocNext()
1191 	 * will be used for all dmap words fully contained within the  in dbAllocNext()
1192 	 * specified range.  within this pass, the leaves of the dmap  in dbAllocNext()
1199 		/* determine the bit number within the word and  in dbAllocNext()
1200 		 * the number of bits within the word.  in dbAllocNext()
1217 			 * within the block range.  determine how many  in dbAllocNext()
1258  *		a specified block (hint) within a dmap.
1295 	/* determine the word within the dmap that holds the hint  in dbAllocNear()
1310 		/* determine the block number within the file system  in dbAllocNear()
1316 		 * starting bit number within the dmap word of the required  in dbAllocNear()
1340  *		free blocks within the specified allocation group.
1349  *		in addition, we start the search within this level at a
1372  *		control pages to indicate no free space (NOFREE) within
1465 	 * tree index of this allocation group within the control page.  in dbAllocAG()
1472 	 * group may be described by 1 or 2 subtrees within the ag level  in dbAllocAG()
1502 		/* determine the block number within the file system  in dbAllocAG()
1733  *		returns the starting block number within a dmap page that
1742  *		   on successful return, the first block within a dmap page
1783 		/* search the tree within the dmap control page for  in dbFindCtl()
1805 		/* adjust the block number to reflect the location within  in dbFindCtl()
1829  *		blocks starting within a specific dmap.
1834  *		routines are the starting block numbers within dmaps, with
1848  *		for a request size that fits within a dmap, this routine relies
2031 	/* search the tree within the dmap page for sufficient  in dbAllocDmapLev()
2041 	/* determine the block number within the file system corresponding  in dbAllocDmapLev()
2047 	 * bit number within the dmap word of the required string of free  in dbAllocDmapLev()
2065  *		of a specified block range within a dmap.
2069  *		block range causes the maximum string of free blocks within
2121  *		of a specified block range within a dmap.
2125  *		causes the maximum string of free blocks within the dmap to
2216 	/* determine the bit number and word within the dmap of the  in dbAllocBits()
2222 	/* block range better be within the dmap */  in dbAllocBits()
2227 	 * within the block range.  if this is the case, we'll work against  in dbAllocBits()
2231 	 * will be used for all dmap words fully contained within the  in dbAllocBits()
2232 	 * specified range.  within this pass, the bits of all fully contained  in dbAllocBits()
2239 		/* determine the bit number within the word and  in dbAllocBits()
2240 		 * the number of bits within the word.  in dbAllocBits()
2248 			/* allocate (set to 1) the appropriate bits within  in dbAllocBits()
2265 			 * within the block range.  determine how many  in dbAllocBits()
2360 	/* determine the bit number and word within the dmap of the  in dbFreeBits()
2366 	/* block range better be within the dmap.  in dbFreeBits()
2371 	 * not all bits of the first and last words may be contained within  in dbFreeBits()
2376 	 * for all dmap words fully contained within the specified range.  in dbFreeBits()
2377 	 * within this pass, the bits of all fully contained dmap words will  in dbFreeBits()
2388 		/* determine the bit number within the word and  in dbFreeBits()
2389 		 * the number of bits within the word.  in dbFreeBits()
2397 			/* free (zero) the appropriate bits within this  in dbFreeBits()
2414 			 * within the block range.  determine how many  in dbFreeBits()
2509  *		causing a binary buddy system within the leaves to be
2520  *	blkno	-  the first block of a block range within a dmap.  it is
2561 	 * the index within the dmap control tree.  in dbAdjCtl()
2577 	 * the leaves, if required, and bubble new values within the  in dbAdjCtl()
2741  *		within an allocation group which is a part (not first part)
3056  * FUNCTION:	find a specified number of binary buddy free bits within a
3060  *		bits at (1 << l2nb) alignments within the value.
3104  *		bits within 32-bits of the map.
3110  *	largest binary buddy of free bits within a dmap word.
3140  * FUNCTION:	determine the number of trailing zeros within a 32-bit
3165  * FUNCTION:	determine the number of leading zeros within a 32-bit
3258 	/* block to be allocated better be within the mapsize. */  in dbAllocBottomUp()
3315 	/* determine the bit number and word within the dmap of the  in dbAllocDmapBU()
3321 	/* block range better be within the dmap */  in dbAllocDmapBU()
3326 	 * within the block range.  if this is the case, we'll work against  in dbAllocDmapBU()
3330 	 * will be used for all dmap words fully contained within the  in dbAllocDmapBU()
3331 	 * specified range.  within this pass, the bits of all fully contained  in dbAllocDmapBU()
3338 		/* determine the bit number within the word and  in dbAllocDmapBU()
3339 		 * the number of bits within the word.  in dbAllocDmapBU()
3347 			/* allocate (set to 1) the appropriate bits within  in dbAllocDmapBU()
3356 			 * within the block range.  determine how many  in dbAllocDmapBU()
3727 	 * within the active ags.  in dbFinalizeBmap()
3790 	/* starting block number within the dmap */  in dbInitDmap()
3813 	 * within the block range.  in dbInitDmap()