BITMAP_ALLOCATE_REGI
Section: Basic Kernel Library Functions (9)
Updated: February 2011
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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).
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