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| author | Stephen Hemminger <shemminger@linux-foundation.org> | 2007-02-12 13:15:20 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2007-02-12 13:15:20 -0800 |
| commit | 59758f44592b0930e83b190cf0206e59d616c983 (patch) | |
| tree | 5b2c5a4cc02d10d686aae619bc04879bbe15e562 /net/ipv4/tcp_cubic.c | |
| parent | 3aef0fd91c67f4070c8dc607807615c4bdd66bd1 (diff) | |
| download | linux-59758f44592b0930e83b190cf0206e59d616c983.tar.gz linux-59758f44592b0930e83b190cf0206e59d616c983.tar.bz2 linux-59758f44592b0930e83b190cf0206e59d616c983.zip | |
[TCP]: Use read mostly for CUBIC parameters.
These module parameters should be in the read mostly area to avoid
cache pollution.
Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/tcp_cubic.c')
| -rw-r--r-- | net/ipv4/tcp_cubic.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/net/ipv4/tcp_cubic.c b/net/ipv4/tcp_cubic.c index 5ce6cd85680b..9a582fb4ef9f 100644 --- a/net/ipv4/tcp_cubic.c +++ b/net/ipv4/tcp_cubic.c @@ -26,16 +26,16 @@ */ #define BICTCP_HZ 10 /* BIC HZ 2^10 = 1024 */ -static int fast_convergence = 1; -static int max_increment = 16; -static int beta = 819; /* = 819/1024 (BICTCP_BETA_SCALE) */ -static int initial_ssthresh = 100; -static int bic_scale = 41; -static int tcp_friendliness = 1; - -static u32 cube_rtt_scale; -static u32 beta_scale; -static u64 cube_factor; +static int fast_convergence __read_mostly = 1; +static int max_increment __read_mostly = 16; +static int beta __read_mostly = 819; /* = 819/1024 (BICTCP_BETA_SCALE) */ +static int initial_ssthresh __read_mostly = 100; +static int bic_scale __read_mostly = 41; +static int tcp_friendliness __read_mostly = 1; + +static u32 cube_rtt_scale __read_mostly; +static u32 beta_scale __read_mostly; +static u64 cube_factor __read_mostly; /* Note parameters that are used for precomputing scale factors are read-only */ module_param(fast_convergence, int, 0644); |