find_first_bit_inv
unsigned long find_first_bit_inv(const unsigned long *addr, unsigned long size);
for ((bit) = find_first_bit_inv((addr), (size)); \
EXPORT_SYMBOL(find_first_bit_inv);
bit = find_first_bit_inv(iv->avail, iv->bits);
apid1 = find_first_bit_inv(matrix->apm, napm_bits);
apqi1 = find_first_bit_inv(matrix->aqm, naqm_bits);