[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/ipv4/af_inet.c b/net/ipv4/af_inet.c
index 36c38bf..f2e8927 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -391,7 +391,7 @@
}
/* It is off by default, see below. */
-int sysctl_ip_nonlocal_bind;
+int sysctl_ip_nonlocal_bind __read_mostly;
int inet_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
{
@@ -987,7 +987,7 @@
* Shall we try to damage output packets if routing dev changes?
*/
-int sysctl_ip_dynaddr;
+int sysctl_ip_dynaddr __read_mostly;
static int inet_sk_reselect_saddr(struct sock *sk)
{