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SubjectRe: printk_ratelimit and net_ratelimit conflict and tunable behavior
FromJoe Perches <>
DateWed, 20 Feb 2008 23:00:46 -0800
On Wed, 2008-02-20 at 22:32 -0800, David Miller wrote:
> > +		if (lost) {> > +			printk(KERN_WARNING> > +			       "printk: %d %s%smessage%s suppressed.\n",
> > +			       lost,> > +			       (state->facility == 0 ? "" :
> > state->facility),
> > +			       (state->facility == 0 ? "" : " "),
> > +			       (lost > 1 ? "s" : ""));
> > +		}
> >  		return 1;
> >  	}

This compares a pointer to 0.

How about something like:

	if (lost)
		pr_warn("printk: %s suppressed message count: %d\n",
			state->facility ? : "ratelimit", lost);
> > -	missed++;> > +	state->missed++;> >  	spin_unlock_irqrestore(&ratelimit_lock, flags);
> >  	return 0;
> >  }
> > @@ -1280,8 +1290,18 @@ int printk_ratelimit_burst = 10;
> > 
> >  int printk_ratelimit(void)
> >  {
> > +	static struct printk_ratelimit_state limit_state = {
> > +		.toks          = 10 * 5 * HZ,
> > +		.last_jiffies  = 0,
> > +		.missed        = 0,
> > +		.limit_jiffies = 5 * HZ,
> > +		.limit_burst   = 10,
> > +		.facility      = 0
> > +	};
> > +

.facility = NULL




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