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28ace84b10
The current position of .rss_flags field in struct rss_info causes
that fields .rsstable and .rssqueue (both 128 bytes long) crosses
cache-line boundaries. Moving it at the end properly align all fields.
Before patch:
struct rss_info {
u64 rss_flags; /* 0 8 */
u8 rsstable[128]; /* 8 128 */
/* --- cacheline 2 boundary (128 bytes) was 8 bytes ago --- */
u8 rss_queue[128]; /* 136 128 */
/* --- cacheline 4 boundary (256 bytes) was 8 bytes ago --- */
u8 rss_hkey[40]; /* 264 40 */
};
After patch:
struct rss_info {
u8 rsstable[128]; /* 0 128 */
/* --- cacheline 2 boundary (128 bytes) --- */
u8 rss_queue[128]; /* 128 128 */
/* --- cacheline 4 boundary (256 bytes) --- */
u8 rss_hkey[40]; /* 256 40 */
u64 rss_flags; /* 296 8 */
};
Signed-off-by: Ivan Vecera <cera@cera.cz>
Signed-off-by: David S. Miller <davem@davemloft.net>
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| appletalk | ||
| arcnet | ||
| bonding | ||
| caif | ||
| can | ||
| dsa | ||
| ethernet | ||
| fddi | ||
| fjes | ||
| hamradio | ||
| hippi | ||
| hyperv | ||
| ieee802154 | ||
| ipvlan | ||
| netdevsim | ||
| phy | ||
| plip | ||
| ppp | ||
| slip | ||
| team | ||
| usb | ||
| vmxnet3 | ||
| wan | ||
| wimax | ||
| wireless | ||
| xen-netback | ||
| dummy.c | ||
| eql.c | ||
| geneve.c | ||
| gtp.c | ||
| ifb.c | ||
| Kconfig | ||
| LICENSE.SRC | ||
| loopback.c | ||
| macsec.c | ||
| macvlan.c | ||
| macvtap.c | ||
| Makefile | ||
| mdio.c | ||
| mii.c | ||
| net_failover.c | ||
| netconsole.c | ||
| nlmon.c | ||
| ntb_netdev.c | ||
| rionet.c | ||
| sb1000.c | ||
| Space.c | ||
| sungem_phy.c | ||
| tap.c | ||
| thunderbolt.c | ||
| tun.c | ||
| veth.c | ||
| virtio_net.c | ||
| vrf.c | ||
| vsockmon.c | ||
| vxlan.c | ||
| xen-netfront.c | ||