18 	unsigned long mask = (val & c->low_bits) + c->low_bits;  in prep_zero_mask()  local
19 	return ~(mask | rhs);  in prep_zero_mask()
22 #define create_zero_mask(mask) (mask)  argument
24 static inline long find_zero(unsigned long mask)  in find_zero()  argument
28 	if (mask >> 32)  in find_zero()
29 		mask >>= 32;  in find_zero()
33 	if (mask >> 16)  in find_zero()
34 		mask >>= 16;  in find_zero()
37 	return (mask >> 8) ? byte : byte + 1;  in find_zero()
48 #define zero_bytemask(mask) (~1ul << __fls(mask))  argument
73 static inline long count_masked_bytes(unsigned long mask)  in count_masked_bytes()  argument
75 	return mask*0x0001020304050608ul >> 56;  in count_masked_bytes()
81 static inline long count_masked_bytes(long mask)  in count_masked_bytes()  argument
84 	long a = (0x0ff0001+mask) >> 23;  in count_masked_bytes()
86 	return a & mask;  in count_masked_bytes()
94 	unsigned long mask = ((a - c->one_bits) & ~a) & c->high_bits;  in has_zero()  local
95 	*bits = mask;  in has_zero()
96 	return mask;  in has_zero()
111 #define zero_bytemask(mask) (mask)  argument
113 static inline unsigned long find_zero(unsigned long mask)  in find_zero()  argument
115 	return count_masked_bytes(mask);  in find_zero()