87 	int plogical_first_u8, plogical_last_u8, box;  in packing()  local
115 	 * logical bit significance. "box" denotes the current logical u8.  in packing()
120 	for (box = plogical_first_u8; box >= plogical_last_u8; box--) {  in packing()
121 		/* Bit indices into the currently accessed 8-bit box */  in packing()
132 		if (box == plogical_first_u8)  in packing()
136 		if (box == plogical_last_u8)  in packing()
141 		/* We have determined the box bit start and end.  in packing()
142 		 * Now we calculate where this (masked) u8 box would fit  in packing()
143 		 * in the unpacked (CPU-readable) u64 - the u8 box's  in packing()
145 		 * box is u8, the projection is u64 because it may fall  in packing()
148 		proj_start_bit = ((box * 8) + box_start_bit) - endbit;  in packing()
149 		proj_end_bit   = ((box * 8) + box_end_bit) - endbit;  in packing()
153 		/* Determine the offset of the u8 box inside the pbuf,  in packing()
158 		box_addr = pbuflen - box - 1;  in packing()