diff --git a/include/linux/kprobes.h b/include/linux/kprobes.h
index 461391decc46618bfc7bfe7c580920620873f98c..5e1a7b0d7b3f7b6286d02ce6416848c1c7025118 100644
--- a/include/linux/kprobes.h
+++ b/include/linux/kprobes.h
@@ -36,6 +36,12 @@
 
 #include <asm/kprobes.h>
 
+/* kprobe_status settings */
+#define KPROBE_HIT_ACTIVE	0x00000001
+#define KPROBE_HIT_SS		0x00000002
+#define KPROBE_REENTER		0x00000004
+#define KPROBE_HIT_SSDONE	0x00000008
+
 struct kprobe;
 struct pt_regs;
 struct kretprobe;
@@ -55,6 +61,9 @@ struct kprobe {
 	/* list of kprobes for multi-handler support */
 	struct list_head list;
 
+	/*count the number of times this probe was temporarily disarmed */
+	unsigned long nmissed;
+
 	/* location of the probe point */
 	kprobe_opcode_t *addr;
 
diff --git a/kernel/kprobes.c b/kernel/kprobes.c
index dd42e717dd353202baa4948c4bb5dd46e08c3522..456ecedff2d4af3a01b38ef6d6d30e8cd74816b2 100644
--- a/kernel/kprobes.c
+++ b/kernel/kprobes.c
@@ -335,6 +335,7 @@ int register_kprobe(struct kprobe *p)
 	}
 	spin_lock_irqsave(&kprobe_lock, flags);
 	old_p = get_kprobe(p->addr);
+	p->nmissed = 0;
 	if (old_p) {
 		ret = register_aggr_kprobe(old_p, p);
 		goto out;