BITMAP_FIND_NEXT_ZER(9)           Basic Kernel Library Functions          BITMAP_FIND_NEXT_ZER(9)



NAME
       bitmap_find_next_zero_area_off - find a contiguous aligned zero area

SYNOPSIS
       unsigned long bitmap_find_next_zero_area_off(unsigned long * map, unsigned long size,
                                                    unsigned long start, unsigned int nr,
                                                    unsigned long align_mask,
                                                    unsigned long align_offset);

ARGUMENTS
       map
           The address to base the search on

       size
           The bitmap size in bits

       start
           The bitnumber to start searching at

       nr
           The number of zeroed bits we're looking for

       align_mask
           Alignment mask for zero area

       align_offset
           Alignment offset for zero area.

DESCRIPTION
       The align_mask should be one less than a power of 2; the effect is that the bit offset of
       all zero areas this function finds plus align_offset is multiple of that power of 2.

COPYRIGHT
Kernel Hackers Manual 4.8.                 January 2017                   BITMAP_FIND_NEXT_ZER(9)