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authorKim Jones <kim-marie.jones@intel.com>2016-02-02 03:51:16 +0000
committerDavid S. Miller <davem@davemloft.net>2016-02-06 03:13:49 -0500
commitba905f5e2f63d86ed4cfbd3d9096fb28d156f1ee (patch)
tree7e28780cf157ed7c135e10a06a52757538201b63 /include/linux/netdevice.h
parentef44967850265fc6595de0d408a05e856f2da586 (diff)
ethtool: Declare netdev_rss_key as __read_mostly.
netdev_rss_key is written to once and thereafter is read by drivers when they are initialising. The fact that it is mostly read and not written to makes it a candidate for a __read_mostly declaration. Signed-off-by: Kim Jones <kim-marie.jones@intel.com> Signed-off-by: Alan Carey <alan.carey@intel.com> Acked-by: Rami Rosen <rami.rosen@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/netdevice.h')
-rw-r--r--include/linux/netdevice.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 78a20cec2a0a..219f53c30cb3 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -3744,7 +3744,7 @@ void netdev_lower_state_changed(struct net_device *lower_dev,
/* RSS keys are 40 or 52 bytes long */
#define NETDEV_RSS_KEY_LEN 52
-extern u8 netdev_rss_key[NETDEV_RSS_KEY_LEN];
+extern u8 netdev_rss_key[NETDEV_RSS_KEY_LEN] __read_mostly;
void netdev_rss_key_fill(void *buffer, size_t len);
int dev_get_nest_level(struct net_device *dev,