From: Stephen Hemminger Date: Mon, 12 Feb 2007 21:15:20 +0000 (-0800) Subject: [TCP]: Use read mostly for CUBIC parameters. X-Git-Tag: v2.6.21-rc1~274^2~1^2~2 X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=59758f44592b0930e83b190cf0206e59d616c983;p=linux-2.6-omap-h63xx.git [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 Signed-off-by: David S. Miller --- diff --git a/net/ipv4/tcp_cubic.c b/net/ipv4/tcp_cubic.c index 5ce6cd85680..9a582fb4ef9 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);