[PATCH] printk_ratelimit() tweaks

From: Anton Blanchard <anton@samba.org>

I made a few changes, basically the burst parameter is now in units of
messages, makes much more sense than the old net ratelimit one.

I also screwed up adding a sysctl_jiffies strategy for the burst parameter.

Documentation/sysctl/kernel.txt

@@ -254,8 +254,8 @@ the different loglevels.
 printk_ratelimit:
 
 Some warning messages are rate limited. printk_ratelimit specifies
-the minimum length of time between these messages, by default we
-allow one every 5 seconds.
+the minimum length of time between these messages (in jiffies), by
+default we allow one every 5 seconds.
 
 A value of 0 will disable rate limiting.
 

kernel/sysctl.c

@@ -598,7 +598,6 @@ static ctl_table kern_table[] = {
 		.maxlen		= sizeof(int),
 		.mode		= 0644,
 		.proc_handler	= &proc_dointvec,
-		.strategy	= &sysctl_jiffies,
 	},
 	{ .ctl_name = 0 }
 };

net/core/sysctl_net_core.c

@@ -155,8 +155,7 @@ ctl_table core_table[] = {
 		.data		= &net_msg_burst,
 		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= &proc_dointvec_jiffies,
-		.strategy	= &sysctl_jiffies,
+		.proc_handler	= &proc_dointvec,
 	},
 	{
 		.ctl_name	= NET_CORE_OPTMEM_MAX,

net/core/utils.c

@@ -38,7 +38,7 @@ void net_srandom(unsigned long entropy)
 }
 
 int net_msg_cost = 5*HZ;
-int net_msg_burst = 10*5*HZ;
+int net_msg_burst = 10;
 
 /* 
  * This enforces a rate limit: not more than one kernel message