--- hurd/procfs/process.c	2019-10-26 23:12:40.495359917 +0200
+++ hurd~/procfs/process.c	2019-10-27 19:06:33.648773329 +0100
@@ -286,7 +286,11 @@
       (long unsigned) proc_stat_thread_rpc (ps), /* close enough */
       0L, 0L,
       0,
+      #if THREAD_BASIC_INFO_COUNT > 10
+      (long unsigned) thbi->last_processor,
+      #else
       0,
+      #endif
       0, 0,
       0LL);
 }