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authorIngo Molnar <mingo@elte.hu>2008-08-14 12:19:59 +0200
committerIngo Molnar <mingo@elte.hu>2008-08-14 12:19:59 +0200
commit8d7ccaa545490cdffdfaff0842436a8dd85cf47b (patch)
tree8129b5907161bc6ae26deb3645ce1e280c5e1f51 /include/linux/ratelimit.h
parentb2139aa0eec330c711c5a279db361e5ef1178e78 (diff)
parent30a2f3c60a84092c8084dfe788b710f8d0768cd4 (diff)
Merge commit 'v2.6.27-rc3' into x86/prototypes
Conflicts: include/asm-x86/dma-mapping.h Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/linux/ratelimit.h')
-rw-r--r--include/linux/ratelimit.h27
1 files changed, 27 insertions, 0 deletions
diff --git a/include/linux/ratelimit.h b/include/linux/ratelimit.h
new file mode 100644
index 000000000000..18a5b9ba9d40
--- /dev/null
+++ b/include/linux/ratelimit.h
@@ -0,0 +1,27 @@
+#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);
+
+static inline int ratelimit(void)
+{
+ static DEFINE_RATELIMIT_STATE(rs, DEFAULT_RATELIMIT_INTERVAL,
+ DEFAULT_RATELIMIT_BURST);
+ return __ratelimit(&rs);
+}
+#endif