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| author | Brian Haley <brian.haley@hp.com> | 2006-09-22 14:15:41 -0700 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2006-09-22 14:55:03 -0700 |
| commit | ab32ea5d8a760e7dd4339634e95d7be24ee5b842 (patch) | |
| tree | 8460a66c529fe03f926848326d9b6aa874e19514 /net/ipv4/ip_output.c | |
| parent | 56fc85ac961e2c20dcb5ef07e2628b3f93de2e49 (diff) | |
| download | lwn-ab32ea5d8a760e7dd4339634e95d7be24ee5b842.tar.gz lwn-ab32ea5d8a760e7dd4339634e95d7be24ee5b842.zip | |
[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>
Diffstat (limited to 'net/ipv4/ip_output.c')
| -rw-r--r-- | net/ipv4/ip_output.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c index 1b9b6742ef77..81b2795a4c20 100644 --- a/net/ipv4/ip_output.c +++ b/net/ipv4/ip_output.c @@ -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) |