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BITMAP_ALLOCATE_REGI(9) | Basic Kernel Library Functions | BITMAP_ALLOCATE_REGI(9) |
NAME¶
bitmap_allocate_region - allocate bitmap regionSYNOPSIS¶
int
bitmap_allocate_region(unsigned long * bitmap,
unsigned int pos,
int order);
ARGUMENTS¶
bitmaparray 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¶
January 2017 | Kernel Hackers Manual 4.8. |