diff --git a/sys/powerpc/powerpc/intr_machdep.c b/sys/powerpc/powerpc/intr_machdep.c
--- a/sys/powerpc/powerpc/intr_machdep.c
+++ b/sys/powerpc/powerpc/intr_machdep.c
@@ -87,8 +87,6 @@
 
 #include "pic_if.h"
 
-#define	MAX_STRAY_LOG	5
-
 static MALLOC_DEFINE(M_INTR, "intr", "interrupt handler data");
 
 struct powerpc_intr {
@@ -660,11 +658,11 @@
 
 stray:
 	stray_count++;
-	if (stray_count <= MAX_STRAY_LOG) {
+	if (stray_count <= INTR_STRAY_LOG_MAX) {
 		printf("stray irq %d\n", i ? i->irq : -1);
-		if (stray_count >= MAX_STRAY_LOG) {
+		if (stray_count >= INTR_STRAY_LOG_MAX) {
 			printf("got %d stray interrupts, not logging anymore\n",
-			    MAX_STRAY_LOG);
+			    INTR_STRAY_LOG_MAX);
 		}
 	}
 	if (i != NULL)
diff --git a/sys/sys/interrupt.h b/sys/sys/interrupt.h
--- a/sys/sys/interrupt.h
+++ b/sys/sys/interrupt.h
@@ -148,6 +148,9 @@
 #define	SWI_TQ		6
 #define	SWI_TQ_GIANT	6
 
+/* Maximum number of stray interrupts to log */
+#define	INTR_STRAY_LOG_MAX	5
+
 struct proc;
 
 extern struct	intr_event *clk_intr_event;
diff --git a/sys/x86/x86/intr_machdep.c b/sys/x86/x86/intr_machdep.c
--- a/sys/x86/x86/intr_machdep.c
+++ b/sys/x86/x86/intr_machdep.c
@@ -72,8 +72,6 @@
 
 #include <vm/vm.h>
 
-#define	MAX_STRAY_LOG	5
-
 typedef void (*mask_fn)(void *);
 
 static int intrcnt_index;
@@ -355,9 +353,9 @@
 	if (intr_event_handle(ie, frame) != 0) {
 		isrc->is_pic->pic_disable_source(isrc, PIC_EOI);
 		(*isrc->is_straycount)++;
-		if (*isrc->is_straycount < MAX_STRAY_LOG)
+		if (*isrc->is_straycount < INTR_STRAY_LOG_MAX)
 			log(LOG_ERR, "stray irq%d\n", vector);
-		else if (*isrc->is_straycount == MAX_STRAY_LOG)
+		else if (*isrc->is_straycount == INTR_STRAY_LOG_MAX)
 			log(LOG_CRIT,
 			    "too many stray irq %d's: not logging anymore\n",
 			    vector);