Searched hist:d0671115869d19ec76d658c4bf86d3211a8ea121 (Results 1 – 1 of 1) sorted by relevance
| /openbmc/linux/drivers/net/ |
| H A D | virtio_net.c | diff d0671115869d19ec76d658c4bf86d3211a8ea121 Sun Jan 22 21:55:11 CST 2023 Parav Pandit <parav@nvidia.com> virtio-net: Reduce debug name field size to 16 bytes
virtio queue index can be maximum of 65535. 16 bytes are enough to store
the vq name with the existing string prefix.
With this change, send queue struct saves 24 bytes and receive
queue saves whole cache line worth 64 bytes per structure
due to saving in alignment bytes.
Pahole results before:
pahole -s drivers/net/virtio_net.o | \
grep -e "send_queue" -e "receive_queue"
send_queue 1112 0
receive_queue 1280 1
Pahole results after:
pahole -s drivers/net/virtio_net.o | \
grep -e "send_queue" -e "receive_queue"
send_queue 1088 0
receive_queue 1216 1
Signed-off-by: Parav Pandit <parav@nvidia.com>
Reviewed-by: Pavan Chebbi <pavan.chebbi@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|