457                                  unsigned long shift, unsigned long nbits)  in bitmap_copy_with_src_offset()  argument
462     src += BIT_WORD(shift);  in bitmap_copy_with_src_offset()
463     shift %= BITS_PER_LONG;  in bitmap_copy_with_src_offset()
465     if (!shift) {  in bitmap_copy_with_src_offset()
471     right_mask = (1ul << shift) - 1;  in bitmap_copy_with_src_offset()
475         *dst = (*src & left_mask) >> shift;  in bitmap_copy_with_src_offset()
476         *dst |= (src[1] & right_mask) << (BITS_PER_LONG - shift);  in bitmap_copy_with_src_offset()
482     if (nbits > BITS_PER_LONG - shift) {  in bitmap_copy_with_src_offset()
483         *dst = (*src & left_mask) >> shift;  in bitmap_copy_with_src_offset()
484         nbits -= BITS_PER_LONG - shift;  in bitmap_copy_with_src_offset()
486         *dst |= (src[1] & last_mask) << (BITS_PER_LONG - shift);  in bitmap_copy_with_src_offset()
489         *dst = (*src >> shift) & last_mask;  in bitmap_copy_with_src_offset()
499                                  unsigned long shift, unsigned long nbits)  in bitmap_copy_with_dst_offset()  argument
504     dst += BIT_WORD(shift);  in bitmap_copy_with_dst_offset()
505     shift %= BITS_PER_LONG;  in bitmap_copy_with_dst_offset()
507     if (!shift) {  in bitmap_copy_with_dst_offset()
513     right_mask = (1ul << (BITS_PER_LONG - shift)) - 1;  in bitmap_copy_with_dst_offset()
516     *dst &= (1ul << shift) - 1;  in bitmap_copy_with_dst_offset()
518         *dst |= (*src & right_mask) << shift;  in bitmap_copy_with_dst_offset()
519         dst[1] = (*src & left_mask) >> (BITS_PER_LONG - shift);  in bitmap_copy_with_dst_offset()
525     if (nbits > BITS_PER_LONG - shift) {  in bitmap_copy_with_dst_offset()
526         *dst |= (*src & right_mask) << shift;  in bitmap_copy_with_dst_offset()
527         nbits -= BITS_PER_LONG - shift;  in bitmap_copy_with_dst_offset()
528         last_mask = ((1ul << nbits) - 1) << (BITS_PER_LONG - shift);  in bitmap_copy_with_dst_offset()
529         dst[1] = (*src & last_mask) >> (BITS_PER_LONG - shift);  in bitmap_copy_with_dst_offset()
532         *dst |= (*src & last_mask) << shift;  in bitmap_copy_with_dst_offset()