602 static void move_bits_down(const u8 *from, u64 from_offset, u8 *to, u64 to_offset, u32 size)  in move_bits_down()  argument
612 	field = get_big_field(from, from_offset, count);  in move_bits_down()
614 	from_offset += count;  in move_bits_down()
619 	offset = from_offset % BITS_PER_TYPE(u32);  in move_bits_down()
620 	source = from + (from_offset - offset) / BITS_PER_BYTE;  in move_bits_down()
626 		from_offset += BITS_PER_TYPE(u32);  in move_bits_down()
633 		field = get_big_field(from, from_offset, size);  in move_bits_down()
642 static void move_bits_up(const u8 *from, u64 from_offset, u8 *to, u64 to_offset, u32 size)  in move_bits_up()  argument
654 		field = get_big_field(from, from_offset + size, count);  in move_bits_up()
659 	offset = (from_offset + size) % BITS_PER_TYPE(u32);  in move_bits_up()
660 	source = from + (from_offset + size - offset) / BITS_PER_BYTE;  in move_bits_up()
671 		field = get_big_field(from, from_offset, size);  in move_bits_up()
681 static void move_bits(const u8 *from, u64 from_offset, u8 *to, u64 to_offset, u32 size)  in move_bits()  argument
688 			field = get_big_field(from, from_offset, size);  in move_bits()
695 	if (from_offset > to_offset)  in move_bits()
696 		move_bits_down(from, from_offset, to, to_offset, size);  in move_bits()
698 		move_bits_up(from, from_offset, to, to_offset, size);  in move_bits()