112  * table used for determining buddy sizes within characters of
115  * binary buddy of free bits within the character.
352 	/* block to be freed better be within the mapsize. */  in dbFree()
448 	/* the blocks better be within the mapsize. */  in dbUpdatePMap()
483 		/* determine the bit number and word within the dmap of  in dbUpdatePMap()
485 		 * are to be updated within this dmap.  in dbUpdatePMap()
500 			/* determine the bit number within the word and  in dbUpdatePMap()
501 			 * the number of bits within the word.  in dbUpdatePMap()
594  *		Within the allocation groups, we maintain a preferred
624 	/* determine the average number of free blocks within the ags. */  in dbNextAG()
686  *		allocate within the same dmap as contains the hint.
690  *		within the same allocation group as contains the hint. if
692  *		within the aggregate.
694  *		we also try to allocate anywhere within the aggregate
735 	/* the hint should be within the map */  in dbAlloc()
770 	 * if so, check if we should allow allocations within this  in dbAlloc()
837 		/* try to satisfy the allocation request with blocks within  in dbAlloc()
853 	/* try to satisfy the allocation request with blocks within  in dbAlloc()
870 	/* Try to allocate within this allocation group.  if that fails, try to  in dbAlloc()
905  *	nblocks	    -  number of contiguous blocks within the current
959  *	nblocks	    -  number of contiguous blocks within the current
996 	/* better be within the file system */  in dbExtend()
1052  *		range within a dmap.
1084 	/* determine the bit number and word within the dmap of the  in dbAllocNext()
1090 	/* check if the specified block range is contained within  in dbAllocNext()
1104 	 * last words may be contained within the block range.  if this  in dbAllocNext()
1108 	 * will be used for all dmap words fully contained within the  in dbAllocNext()
1109 	 * specified range.  within this pass, the leaves of the dmap  in dbAllocNext()
1116 		/* determine the bit number within the word and  in dbAllocNext()
1117 		 * the number of bits within the word.  in dbAllocNext()
1134 			 * within the block range.  determine how many  in dbAllocNext()
1175  *		a specified block (hint) within a dmap.
1212 	/* determine the word within the dmap that holds the hint  in dbAllocNear()
1227 		/* determine the block number within the file system  in dbAllocNear()
1233 		 * starting bit number within the dmap word of the required  in dbAllocNear()
1257  *		free blocks within the specified allocation group.
1266  *		in addition, we start the search within this level at a
1289  *		control pages to indicate no free space (NOFREE) within
1382 	 * tree index of this allocation group within the control page.  in dbAllocAG()
1389 	 * group may be described by 1 or 2 subtrees within the ag level  in dbAllocAG()
1419 		/* determine the block number within the file system  in dbAllocAG()
1652  *		returns the starting block number within a dmap page that
1661  *		   on successful return, the first block within a dmap page
1702 		/* search the tree within the dmap control page for  in dbFindCtl()
1724 		/* adjust the block number to reflect the location within  in dbFindCtl()
1748  *		blocks starting within a specific dmap.
1753  *		routines are the starting block numbers within dmaps, with
1767  *		for a request size that fits within a dmap, this routine relies
1953 	/* search the tree within the dmap page for sufficient  in dbAllocDmapLev()
1963 	/* determine the block number within the file system corresponding  in dbAllocDmapLev()
1969 	 * bit number within the dmap word of the required string of free  in dbAllocDmapLev()
1987  *		of a specified block range within a dmap.
1991  *		block range causes the maximum string of free blocks within
2043  *		of a specified block range within a dmap.
2047  *		causes the maximum string of free blocks within the dmap to
2138 	/* determine the bit number and word within the dmap of the  in dbAllocBits()
2144 	/* block range better be within the dmap */  in dbAllocBits()
2149 	 * within the block range.  if this is the case, we'll work against  in dbAllocBits()
2153 	 * will be used for all dmap words fully contained within the  in dbAllocBits()
2154 	 * specified range.  within this pass, the bits of all fully contained  in dbAllocBits()
2161 		/* determine the bit number within the word and  in dbAllocBits()
2162 		 * the number of bits within the word.  in dbAllocBits()
2170 			/* allocate (set to 1) the appropriate bits within  in dbAllocBits()
2187 			 * within the block range.  determine how many  in dbAllocBits()
2282 	/* determine the bit number and word within the dmap of the  in dbFreeBits()
2288 	/* block range better be within the dmap.  in dbFreeBits()
2293 	 * not all bits of the first and last words may be contained within  in dbFreeBits()
2298 	 * for all dmap words fully contained within the specified range.  in dbFreeBits()
2299 	 * within this pass, the bits of all fully contained dmap words will  in dbFreeBits()
2310 		/* determine the bit number within the word and  in dbFreeBits()
2311 		 * the number of bits within the word.  in dbFreeBits()
2319 			/* free (zero) the appropriate bits within this  in dbFreeBits()
2336 			 * within the block range.  determine how many  in dbFreeBits()
2431  *		causing a binary buddy system within the leaves to be
2442  *	blkno	-  the first block of a block range within a dmap.  it is
2483 	 * the index within the dmap control tree.  in dbAdjCtl()
2499 	 * the leaves, if required, and bubble new values within the  in dbAdjCtl()
2667  *		within an allocation group which is a part (not first part)
2988  * FUNCTION:	find a specified number of binary buddy free bits within a
2992  *		bits at (1 << l2nb) alignments within the value.
3036  *		bits within 32-bits of the map.
3042  *	largest binary buddy of free bits within a dmap word.
3072  * FUNCTION:	determine the number of trailing zeros within a 32-bit
3097  * FUNCTION:	determine the number of leading zeros within a 32-bit
3190 	/* block to be allocated better be within the mapsize. */  in dbAllocBottomUp()
3247 	/* determine the bit number and word within the dmap of the  in dbAllocDmapBU()
3253 	/* block range better be within the dmap */  in dbAllocDmapBU()
3258 	 * within the block range.  if this is the case, we'll work against  in dbAllocDmapBU()
3262 	 * will be used for all dmap words fully contained within the  in dbAllocDmapBU()
3263 	 * specified range.  within this pass, the bits of all fully contained  in dbAllocDmapBU()
3270 		/* determine the bit number within the word and  in dbAllocDmapBU()
3271 		 * the number of bits within the word.  in dbAllocDmapBU()
3279 			/* allocate (set to 1) the appropriate bits within  in dbAllocDmapBU()
3288 			 * within the block range.  determine how many  in dbAllocDmapBU()
3659 	 * within the active ags.  in dbFinalizeBmap()
3722 	/* starting block number within the dmap */  in dbInitDmap()
3745 	 * within the block range.  in dbInitDmap()