diff options
-rw-r--r-- | include/linux/netdevice.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 0cf9448a32c4..c82220a9f3d5 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -953,7 +953,14 @@ struct net_device { /* * Cache line mostly used on receive path (including eth_type_trans()) */ - unsigned long last_rx; /* Time of last Rx */ + unsigned long last_rx; /* Time of last Rx + * This should not be set in + * drivers, unless really needed, + * because network stack (bonding) + * use it if/when necessary, to + * avoid dirtying this cache line. + */ + /* Interface address info used in eth_type_trans() */ unsigned char *dev_addr; /* hw address, (before bcast because most packets are |