BITMAP_ALLOCATE_REGI(9) Basic Kernel Library Functions BITMAP_ALLOCATE_REGI(9)NAMEbitmap_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).
COPYRIGHTKernel Hackers Manual 2.6. November 2013 BITMAP_ALLOCATE_REGI(9)