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, 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 3.10 June 2014 BITMAP_ALLOCATE_REGI(9)
