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Rev 1970 Rev 2967
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		int sz, int bits);
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		int sz, int bits);
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extern int bitmap_find_free_region(unsigned long *bitmap, int bits, int order);
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extern int bitmap_find_free_region(unsigned long *bitmap, int bits, int order);
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extern void bitmap_release_region(unsigned long *bitmap, int pos, int order);
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extern void bitmap_release_region(unsigned long *bitmap, int pos, int order);
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extern int bitmap_allocate_region(unsigned long *bitmap, int pos, int order);
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extern int bitmap_allocate_region(unsigned long *bitmap, int pos, int order);
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extern void bitmap_copy_le(void *dst, const unsigned long *src, int nbits);
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extern void bitmap_copy_le(void *dst, const unsigned long *src, int nbits);
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extern int bitmap_ord_to_pos(const unsigned long *bitmap, int n, int bits);
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#define BITMAP_FIRST_WORD_MASK(start) (~0UL << ((start) % BITS_PER_LONG))
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#define BITMAP_LAST_WORD_MASK(nbits)					\
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#define BITMAP_LAST_WORD_MASK(nbits)					\
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(									\
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(									\
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	((nbits) % BITS_PER_LONG) ?					\
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	((nbits) % BITS_PER_LONG) ?					\
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		(1UL<<((nbits) % BITS_PER_LONG))-1 : ~0UL		\
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		(1UL<<((nbits) % BITS_PER_LONG))-1 : ~0UL		\