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[NET/IPV4/IPV6]: Change some sysctl variables to __read_mostly

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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>
This commit is contained in:
Brian Haley
2006-09-22 14:15:41 -07:00
committed by David S. Miller
parent 56fc85ac96
commit ab32ea5d8a
18 changed files with 67 additions and 67 deletions
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2
net/ipv4/ip_output.c
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@@ -83,7 +83,7 @@
#include <linux/netlink.h>
#include <linux/tcp.h>
int sysctl_ip_default_ttl = IPDEFTTL;
int sysctl_ip_default_ttl __read_mostly = IPDEFTTL;
/* Generate a checksum for an outgoing IP datagram. */
__inline__ void ip_send_check(struct iphdr *iph)