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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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4
net/ipv4/tcp_ipv4.c
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@ -78,8 +78,8 @@
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
int sysctl_tcp_tw_reuse;
int sysctl_tcp_low_latency;
int sysctl_tcp_tw_reuse __read_mostly;
int sysctl_tcp_low_latency __read_mostly;
/* Check TCP sequence numbers in ICMP packets. */
#define ICMP_MIN_LENGTH 8