Hello! > No, that's not in udp_recvmsg; Sorry, it was brain fart. > a one-chip SMP thing, this isn't too practical. No matter, this ping-pong is something absolutely unavoidable anyway. It is the thing which you have to pay for using one socket on several cpus. > Around 650 samples are in the inline sin_zero memset, which seems odd > since the pad size declaration works out to 0 in in.h. Is there > another pad size definition elsewhere or something? Did I read the > pad sizing math wrong? No-no, it is straight 8 byte write. Alexey - : send the line "unsubscribe linux-net" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html