14 #define BITMAP_LAST_WORD_MASK(nbits)					\  argument
16 	((nbits) % BITS_PER_LONG) ?					\
17 		(1UL<<((nbits) % BITS_PER_LONG))-1 : ~0UL		\
20 #define small_const_nbits(nbits) \  argument
21 	(__builtin_constant_p(nbits) && (nbits) <= BITS_PER_LONG)
23 static inline void bitmap_zero(unsigned long *dst, int nbits)  in bitmap_zero()  argument
25 	if (small_const_nbits(nbits))  in bitmap_zero()
28 		int len = BITS_TO_LONGS(nbits) * sizeof(unsigned long);  in bitmap_zero()
33 static inline int bitmap_weight(const unsigned long *src, int nbits)  in bitmap_weight()  argument
35 	if (small_const_nbits(nbits))  in bitmap_weight()
36 		return hweight_long(*src & BITMAP_LAST_WORD_MASK(nbits));  in bitmap_weight()
37 	return __bitmap_weight(src, nbits);  in bitmap_weight()
41 			     const unsigned long *src2, int nbits)  in bitmap_or()  argument
43 	if (small_const_nbits(nbits))  in bitmap_or()
46 		__bitmap_or(dst, src1, src2, nbits);  in bitmap_or()