Index: sys/kern/kern_malloc.c
===================================================================
--- sys/kern/kern_malloc.c
+++ sys/kern/kern_malloc.c
@@ -534,6 +534,17 @@
 	return ((void *) va);
 }
 
+void *
+mallocarray(size_t n, size_t size, struct malloc_type *type, int flags)
+{
+	size_t total = n * size;
+
+	if (n != 0 && (total / n) != size)
+		return (NULL);
+
+	return (malloc(total, type, flags));
+}
+
 /*
  *	free:
  *
Index: sys/sys/malloc.h
===================================================================
--- sys/sys/malloc.h
+++ sys/sys/malloc.h
@@ -177,6 +177,8 @@
 void	free(void *addr, struct malloc_type *type);
 void	*malloc(unsigned long size, struct malloc_type *type, int flags)
 	    __malloc_like __result_use_check __alloc_size(1);
+void	*mallocarray(size_t n, size_t size, struct malloc_type *type,
+	    int flags) __malloc_like __result_use_check __alloc_size(1);
 void	malloc_init(void *);
 int	malloc_last_fail(void);
 void	malloc_type_allocated(struct malloc_type *type, unsigned long size);