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[NET/IPV4/IPV6]: Change some sysctl variables to __read_mostly

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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>
This commit is contained in:
Brian Haley
2006-09-22 14:15:41 -07:00
committed by David S. Miller
parent 56fc85ac96
commit ab32ea5d8a
18 changed files with 67 additions and 67 deletions
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10
net/ipv4/ip_fragment.c
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@@ -54,15 +54,15 @@
* even the most extreme cases without allowing an attacker to measurably
* harm machine performance.
*/
int sysctl_ipfrag_high_thresh = 256*1024;
int sysctl_ipfrag_low_thresh = 192*1024;
int sysctl_ipfrag_high_thresh __read_mostly = 256*1024;
int sysctl_ipfrag_low_thresh __read_mostly = 192*1024;
int sysctl_ipfrag_max_dist = 64;
int sysctl_ipfrag_max_dist __read_mostly = 64;
/* Important NOTE! Fragment queue must be destroyed before MSL expires.
* RFC791 is wrong proposing to prolongate timer each fragment arrival by TTL.
*/
int sysctl_ipfrag_time = IP_FRAG_TIME;
int sysctl_ipfrag_time __read_mostly = IP_FRAG_TIME;
struct ipfrag_skb_cb
{
@@ -130,7 +130,7 @@ static unsigned int ipqhashfn(u16 id, u32 saddr, u32 daddr, u8 prot)
}
static struct timer_list ipfrag_secret_timer;
int sysctl_ipfrag_secret_interval = 10 * 60 * HZ;
int sysctl_ipfrag_secret_interval __read_mostly = 10 * 60 * HZ;
static void ipfrag_secret_rebuild(unsigned long dummy)
{