$NetBSD$

--- Modules/mmapmodule.c.orig	2009-03-20 15:07:16.000000000 -0700
+++ Modules/mmapmodule.c	2009-03-20 15:07:34.000000000 -0700
@@ -449,6 +449,8 @@ mmap_resize_method(mmap_object *self,
 
 #ifdef MREMAP_MAYMOVE
 		newmap = mremap(self->data, self->size, new_size, MREMAP_MAYMOVE);
+#elif defined(__NetBSD__)
+		newmap = mremap(self->data, self->size, self->data, new_size, 0);
 #else
 		newmap = mremap(self->data, self->size, new_size, 0);
 #endif
