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).