find_first_and_bit
return find_first_and_bit(cpumask_bits(srcp1), cpumask_bits(srcp2), small_cpumask_bits);
#ifndef find_first_and_bit
bit = find_first_and_bit(addr1, addr2, offset);
#ifndef find_first_and_bit
i = find_first_and_bit(cp, bitmap2, len);
#ifndef find_first_and_bit
#ifndef find_first_and_bit