diff --git a/sys/arm64/include/param.h b/sys/arm64/include/param.h
--- a/sys/arm64/include/param.h
+++ b/sys/arm64/include/param.h
@@ -60,7 +60,7 @@
 
 #ifdef SMP
 #ifndef MAXCPU
-#define	MAXCPU		256
+#define	MAXCPU		1024
 #endif
 #else
 #define	MAXCPU		1