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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/core | |
| parent | 56fc85ac961e2c20dcb5ef07e2628b3f93de2e49 (diff) | |
| download | op-kernel-dev-ab32ea5d8a760e7dd4339634e95d7be24ee5b842.zip op-kernel-dev-ab32ea5d8a760e7dd4339634e95d7be24ee5b842.tar.gz | |
[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/core')
| -rw-r--r-- | net/core/neighbour.c | 2 | ||||
| -rw-r--r-- | net/core/sock.c | 10 |
2 files changed, 6 insertions, 6 deletions
diff --git a/net/core/neighbour.c b/net/core/neighbour.c index 23ae5e5..c7e653f 100644 --- a/net/core/neighbour.c +++ b/net/core/neighbour.c @@ -2451,7 +2451,7 @@ static struct neigh_sysctl_table { ctl_table neigh_neigh_dir[2]; ctl_table neigh_proto_dir[2]; ctl_table neigh_root_dir[2]; -} neigh_sysctl_template = { +} neigh_sysctl_template __read_mostly = { .neigh_vars = { { .ctl_name = NET_NEIGH_MCAST_SOLICIT, diff --git a/net/core/sock.c b/net/core/sock.c index b67d868..cfaf090 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -187,13 +187,13 @@ static struct lock_class_key af_callback_keys[AF_MAX]; #define SK_RMEM_MAX (_SK_MEM_OVERHEAD * _SK_MEM_PACKETS) /* Run time adjustable parameters. */ -__u32 sysctl_wmem_max = SK_WMEM_MAX; -__u32 sysctl_rmem_max = SK_RMEM_MAX; -__u32 sysctl_wmem_default = SK_WMEM_MAX; -__u32 sysctl_rmem_default = SK_RMEM_MAX; +__u32 sysctl_wmem_max __read_mostly = SK_WMEM_MAX; +__u32 sysctl_rmem_max __read_mostly = SK_RMEM_MAX; +__u32 sysctl_wmem_default __read_mostly = SK_WMEM_MAX; +__u32 sysctl_rmem_default __read_mostly = SK_RMEM_MAX; /* Maximal space eaten by iovec or ancilliary data plus some space */ -int sysctl_optmem_max = sizeof(unsigned long)*(2*UIO_MAXIOV + 512); +int sysctl_optmem_max __read_mostly = sizeof(unsigned long)*(2*UIO_MAXIOV+512); static int sock_set_timeout(long *timeo_p, char __user *optval, int optlen) { |
