BITMAP_ALLOCATE_REGI(9)           Basic Kernel Library Functions          BITMAP_ALLOCATE_REGI(9)



NAME
       bitmap_allocate_region - allocate bitmap region

SYNOPSIS
       int bitmap_allocate_region(unsigned long * bitmap, unsigned int pos, int order);

ARGUMENTS
       bitmap
           array of unsigned longs corresponding to the bitmap

       pos
           beginning of bit region to allocate

       order
           region size (log base 2 of number of bits) to allocate

DESCRIPTION
       Allocate (set bits in) a specified region of a bitmap.

       Return 0 on success, or -EBUSY if specified region wasn't free (not all bits were zero).

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