bitmap_allocate_region (9) - Linux Manuals
bitmap_allocate_region: allocate bitmap region
NAME
bitmap_allocate_region - allocate bitmap region
SYNOPSIS
-
int bitmap_allocate_region(unsigned long
* bitmap, unsigned intpos, 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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