[NET/IPV4/IPV6]: Change some sysctl variables to __read_mostly
Change net/core, ipv4 and ipv6 sysctl variables to __read_mostly.
Couldn't actually measure any performance increase while testing (.3%
I consider noise), but seems like the right thing to do.
Signed-off-by: Brian Haley <brian.haley@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index 23ae5e5..c7e653f 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -2451,7 +2451,7 @@
ctl_table neigh_neigh_dir[2];
ctl_table neigh_proto_dir[2];
ctl_table neigh_root_dir[2];
-} neigh_sysctl_template = {
+} neigh_sysctl_template __read_mostly = {
.neigh_vars = {
{
.ctl_name = NET_NEIGH_MCAST_SOLICIT,