dpif-netdev: Reorder elements in dp_netdev_rxq structure.
By reordering elements in dp_netdev_rxq structure, pad bytes and a hole
can be removed.
Before: structure size: 104, sum holes: 1, sum padbytes:4, cachelines:2
After : structure size:  96, sum holes: 0, sum padbytes:0, cachelines:2
@@ -366,6 +366,7 @@ struct dp_netdev_rxq {
pinned. OVS_CORE_UNSPEC if the
queue doesn't need to be pinned to a
particular core. */
+ unsigned intrvl_idx; /* Write index for 'cycles_intrvl'. */
struct dp_netdev_pmd_thread *pmd; /* pmd thread that polls this queue. */
/* Counters of cycles spent successfully polling and processing pkts. */
@@ -373,7 +374,6 @@ struct dp_netdev_rxq {
/* We store PMD_RXQ_INTERVAL_MAX intervals of data for an rxq and then
sum them to yield the cycles used for an rxq. */
atomic_ullong cycles_intrvl[PMD_RXQ_INTERVAL_MAX];
- unsigned intrvl_idx; /* Write index for 'cycles_intrvl'. */
};
/* A port in a netdev-based datapath. */
