1BITMAP_ALLOCATE_REGI(9) Basic Kernel Library Functions BITMAP_ALLOCATE_REGI(9)
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6 bitmap_allocate_region - allocate bitmap region
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9 int bitmap_allocate_region(unsigned long * bitmap, int pos, int order);
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12 bitmap
13 array of unsigned longs corresponding to the bitmap
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15 pos
16 beginning of bit region to allocate
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18 order
19 region size (log base 2 of number of bits) to allocate
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22 Allocate (set bits in) a specified region of a bitmap.
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24 Return 0 on success, or -EBUSY if specified region wasn´t free (not all
25 bits were zero).
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28Kernel Hackers Manual 2.6. June 2019 BITMAP_ALLOCATE_REGI(9)