table of contents
| 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¶
| May 2024 | Kernel Hackers Manual 2.6. |