File: ratelimit.h

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#ifndef _LINUX_RATELIMIT_H
#define _LINUX_RATELIMIT_H
#include <linux/param.h>

#define DEFAULT_RATELIMIT_INTERVAL (5 * HZ)
#define DEFAULT_RATELIMIT_BURST 10

struct ratelimit_state {
	int interval;
	int burst;
	int printed;
	int missed;
	unsigned long begin;
};

#define DEFINE_RATELIMIT_STATE(name, interval, burst)		\
		struct ratelimit_state name = {interval, burst,}

extern int __ratelimit(struct ratelimit_state *rs);
#endif