112  * table used for determining buddy sizes within characters of
115  * binary buddy of free bits within the character.
360 	/* block to be freed better be within the mapsize. */  in dbFree()
456 	/* the blocks better be within the mapsize. */  in dbUpdatePMap()
491 		/* determine the bit number and word within the dmap of  in dbUpdatePMap()
493 		 * are to be updated within this dmap.  in dbUpdatePMap()
508 			/* determine the bit number within the word and  in dbUpdatePMap()
509 			 * the number of bits within the word.  in dbUpdatePMap()
602  *		Within the allocation groups, we maintain a preferred
632 	/* determine the average number of free blocks within the ags. */  in dbNextAG()
694  *		allocate within the same dmap as contains the hint.
698  *		within the same allocation group as contains the hint. if
700  *		within the aggregate.
702  *		we also try to allocate anywhere within the aggregate
743 	/* the hint should be within the map */  in dbAlloc()
778 	 * if so, check if we should allow allocations within this  in dbAlloc()
845 		/* try to satisfy the allocation request with blocks within  in dbAlloc()
861 	/* try to satisfy the allocation request with blocks within  in dbAlloc()
878 	/* Try to allocate within this allocation group.  if that fails, try to  in dbAlloc()
913  *	nblocks	    -  number of contiguous blocks within the current
967  *	nblocks	    -  number of contiguous blocks within the current
1004 	/* better be within the file system */  in dbExtend()
1060  *		range within a dmap.
1092 	/* determine the bit number and word within the dmap of the  in dbAllocNext()
1098 	/* check if the specified block range is contained within  in dbAllocNext()
1112 	 * last words may be contained within the block range.  if this  in dbAllocNext()
1116 	 * will be used for all dmap words fully contained within the  in dbAllocNext()
1117 	 * specified range.  within this pass, the leaves of the dmap  in dbAllocNext()
1124 		/* determine the bit number within the word and  in dbAllocNext()
1125 		 * the number of bits within the word.  in dbAllocNext()
1142 			 * within the block range.  determine how many  in dbAllocNext()
1183  *		a specified block (hint) within a dmap.
1220 	/* determine the word within the dmap that holds the hint  in dbAllocNear()
1235 		/* determine the block number within the file system  in dbAllocNear()
1241 		 * starting bit number within the dmap word of the required  in dbAllocNear()
1265  *		free blocks within the specified allocation group.
1274  *		in addition, we start the search within this level at a
1297  *		control pages to indicate no free space (NOFREE) within
1390 	 * tree index of this allocation group within the control page.  in dbAllocAG()
1397 	 * group may be described by 1 or 2 subtrees within the ag level  in dbAllocAG()
1427 		/* determine the block number within the file system  in dbAllocAG()
1658  *		returns the starting block number within a dmap page that
1667  *		   on successful return, the first block within a dmap page
1708 		/* search the tree within the dmap control page for  in dbFindCtl()
1730 		/* adjust the block number to reflect the location within  in dbFindCtl()
1754  *		blocks starting within a specific dmap.
1759  *		routines are the starting block numbers within dmaps, with
1773  *		for a request size that fits within a dmap, this routine relies
1956 	/* search the tree within the dmap page for sufficient  in dbAllocDmapLev()
1966 	/* determine the block number within the file system corresponding  in dbAllocDmapLev()
1972 	 * bit number within the dmap word of the required string of free  in dbAllocDmapLev()
1990  *		of a specified block range within a dmap.
1994  *		block range causes the maximum string of free blocks within
2046  *		of a specified block range within a dmap.
2050  *		causes the maximum string of free blocks within the dmap to
2141 	/* determine the bit number and word within the dmap of the  in dbAllocBits()
2147 	/* block range better be within the dmap */  in dbAllocBits()
2152 	 * within the block range.  if this is the case, we'll work against  in dbAllocBits()
2156 	 * will be used for all dmap words fully contained within the  in dbAllocBits()
2157 	 * specified range.  within this pass, the bits of all fully contained  in dbAllocBits()
2164 		/* determine the bit number within the word and  in dbAllocBits()
2165 		 * the number of bits within the word.  in dbAllocBits()
2173 			/* allocate (set to 1) the appropriate bits within  in dbAllocBits()
2190 			 * within the block range.  determine how many  in dbAllocBits()
2285 	/* determine the bit number and word within the dmap of the  in dbFreeBits()
2291 	/* block range better be within the dmap.  in dbFreeBits()
2296 	 * not all bits of the first and last words may be contained within  in dbFreeBits()
2301 	 * for all dmap words fully contained within the specified range.  in dbFreeBits()
2302 	 * within this pass, the bits of all fully contained dmap words will  in dbFreeBits()
2313 		/* determine the bit number within the word and  in dbFreeBits()
2314 		 * the number of bits within the word.  in dbFreeBits()
2322 			/* free (zero) the appropriate bits within this  in dbFreeBits()
2339 			 * within the block range.  determine how many  in dbFreeBits()
2434  *		causing a binary buddy system within the leaves to be
2445  *	blkno	-  the first block of a block range within a dmap.  it is
2486 	 * the index within the dmap control tree.  in dbAdjCtl()
2502 	 * the leaves, if required, and bubble new values within the  in dbAdjCtl()
2670  *		within an allocation group which is a part (not first part)
2974  * FUNCTION:	find a specified number of binary buddy free bits within a
2978  *		bits at (1 << l2nb) alignments within the value.
3022  *		bits within 32-bits of the map.
3028  *	largest binary buddy of free bits within a dmap word.
3058  * FUNCTION:	determine the number of trailing zeros within a 32-bit
3083  * FUNCTION:	determine the number of leading zeros within a 32-bit
3176 	/* block to be allocated better be within the mapsize. */  in dbAllocBottomUp()
3233 	/* determine the bit number and word within the dmap of the  in dbAllocDmapBU()
3239 	/* block range better be within the dmap */  in dbAllocDmapBU()
3244 	 * within the block range.  if this is the case, we'll work against  in dbAllocDmapBU()
3248 	 * will be used for all dmap words fully contained within the  in dbAllocDmapBU()
3249 	 * specified range.  within this pass, the bits of all fully contained  in dbAllocDmapBU()
3256 		/* determine the bit number within the word and  in dbAllocDmapBU()
3257 		 * the number of bits within the word.  in dbAllocDmapBU()
3265 			/* allocate (set to 1) the appropriate bits within  in dbAllocDmapBU()
3274 			 * within the block range.  determine how many  in dbAllocDmapBU()
3645 	 * within the active ags.  in dbFinalizeBmap()
3708 	/* starting block number within the dmap */  in dbInitDmap()
3731 	 * within the block range.  in dbInitDmap()