ip_fast_csum_nofold  150 arch/powerpc/include/asm/checksum.h 	return csum_fold(ip_fast_csum_nofold(iph, ihl));
ip_fast_csum_nofold  193 arch/powerpc/include/asm/checksum.h 		sum = csum_add(sum, ip_fast_csum_nofold(buff, len >> 2));