26 #define BITMAP_LAST_WORD_MASK(nbits) (~0UL >> (-(nbits) & (BITS_PER_LONG - 1)))  argument
28 static inline void bitmap_zero(unsigned long *dst, unsigned int nbits)  in bitmap_zero()  argument
30 	if (small_const_nbits(nbits))  in bitmap_zero()
33 		int len = BITS_TO_LONGS(nbits) * sizeof(unsigned long);  in bitmap_zero()
38 static inline void bitmap_fill(unsigned long *dst, unsigned int nbits)  in bitmap_fill()  argument
40 	unsigned int nlongs = BITS_TO_LONGS(nbits);  in bitmap_fill()
41 	if (!small_const_nbits(nbits)) {  in bitmap_fill()
45 	dst[nlongs - 1] = BITMAP_LAST_WORD_MASK(nbits);  in bitmap_fill()
48 static inline bool bitmap_empty(const unsigned long *src, unsigned int nbits)  in bitmap_empty()  argument
50 	if (small_const_nbits(nbits))  in bitmap_empty()
51 		return ! (*src & BITMAP_LAST_WORD_MASK(nbits));  in bitmap_empty()
53 	return find_first_bit(src, nbits) == nbits;  in bitmap_empty()
56 static inline bool bitmap_full(const unsigned long *src, unsigned int nbits)  in bitmap_full()  argument
58 	if (small_const_nbits(nbits))  in bitmap_full()
59 		return ! (~(*src) & BITMAP_LAST_WORD_MASK(nbits));  in bitmap_full()
61 	return find_first_zero_bit(src, nbits) == nbits;  in bitmap_full()
64 static inline unsigned int bitmap_weight(const unsigned long *src, unsigned int nbits)  in bitmap_weight()  argument
66 	if (small_const_nbits(nbits))  in bitmap_weight()
67 		return hweight_long(*src & BITMAP_LAST_WORD_MASK(nbits));  in bitmap_weight()
68 	return __bitmap_weight(src, nbits);  in bitmap_weight()
72 			     const unsigned long *src2, unsigned int nbits)  in bitmap_or()  argument
74 	if (small_const_nbits(nbits))  in bitmap_or()
77 		__bitmap_or(dst, src1, src2, nbits);  in bitmap_or()
84 static inline unsigned long *bitmap_zalloc(int nbits)  in bitmap_zalloc()  argument
86 	return calloc(1, BITS_TO_LONGS(nbits) * sizeof(unsigned long));  in bitmap_zalloc()
105 size_t bitmap_scnprintf(unsigned long *bitmap, unsigned int nbits,
116 			     const unsigned long *src2, unsigned int nbits)  in bitmap_and()  argument
118 	if (small_const_nbits(nbits))  in bitmap_and()
119 		return (*dst = *src1 & *src2 & BITMAP_LAST_WORD_MASK(nbits)) != 0;  in bitmap_and()
120 	return __bitmap_and(dst, src1, src2, nbits);  in bitmap_and()
132 				const unsigned long *src2, unsigned int nbits)  in bitmap_equal()  argument
134 	if (small_const_nbits(nbits))  in bitmap_equal()
135 		return !((*src1 ^ *src2) & BITMAP_LAST_WORD_MASK(nbits));  in bitmap_equal()
136 	if (__builtin_constant_p(nbits & BITMAP_MEM_MASK) &&  in bitmap_equal()
137 	    IS_ALIGNED(nbits, BITMAP_MEM_ALIGNMENT))  in bitmap_equal()
138 		return !memcmp(src1, src2, nbits / 8);  in bitmap_equal()
139 	return __bitmap_equal(src1, src2, nbits);  in bitmap_equal()
144 				     unsigned int nbits)  in bitmap_intersects()  argument
146 	if (small_const_nbits(nbits))  in bitmap_intersects()
147 		return ((*src1 & *src2) & BITMAP_LAST_WORD_MASK(nbits)) != 0;  in bitmap_intersects()
149 		return __bitmap_intersects(src1, src2, nbits);  in bitmap_intersects()