--- linux_syscall_support.h	2016-12-08 23:04:50.583118188 -0800
+++ linux_syscall_support.h.no-implicit-cast	2016-12-08 23:37:24.051118188 -0800
@@ -4023,7 +4023,7 @@
         LSS_ERRNO = EINVAL;
         return (void *) -1;
       }
-      return LSS_NAME(_mmap2)(s, l, p, f, d, (o / 4096));
+      return LSS_NAME(_mmap2)(s, l, p, f, d, (off_t) (o / 4096));
     }
   #elif defined(__s390x__)
     /* On s390x, mmap() arguments are passed in memory. */