csum_partial_copy_fromiovecend  309 include/linux/socket.h extern int csum_partial_copy_fromiovecend(unsigned char *kdata, 
csum_partial_copy_fromiovecend  701 net/ipv4/ip_output.c 		if (csum_partial_copy_fromiovecend(to, iov, offset, len, &csum) < 0)