diff options
| 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/tcp_output.c | |
| parent | [RTNETLINK]: Unexport rtnl socket (diff) | |
| download | linux-dev-ab32ea5d8a760e7dd4339634e95d7be24ee5b842.tar.xz linux-dev-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/tcp_output.c')
| -rw-r--r-- | net/ipv4/tcp_output.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index 9252a50c4b49..061edfae0c29 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -43,24 +43,24 @@ #include <linux/smp_lock.h> /* People can turn this off for buggy TCP's found in printers etc. */ -int sysctl_tcp_retrans_collapse = 1; +int sysctl_tcp_retrans_collapse __read_mostly = 1; /* People can turn this on to work with those rare, broken TCPs that * interpret the window field as a signed quantity. */ -int sysctl_tcp_workaround_signed_windows = 0; +int sysctl_tcp_workaround_signed_windows __read_mostly = 0; /* This limits the percentage of the congestion window which we * will allow a single TSO frame to consume. Building TSO frames * which are too large can cause TCP streams to be bursty. */ -int sysctl_tcp_tso_win_divisor = 3; +int sysctl_tcp_tso_win_divisor __read_mostly = 3; -int sysctl_tcp_mtu_probing = 0; -int sysctl_tcp_base_mss = 512; +int sysctl_tcp_mtu_probing __read_mostly = 0; +int sysctl_tcp_base_mss __read_mostly = 512; /* By default, RFC2861 behavior. */ -int sysctl_tcp_slow_start_after_idle = 1; +int sysctl_tcp_slow_start_after_idle __read_mostly = 1; static void update_send_head(struct sock *sk, struct tcp_sock *tp, struct sk_buff *skb) |