--- linux-2.6.14-old/include/linux/sched.h	2006-11-29 16:25:42.000000000 -0600
+++ linux-2.6.14/include/linux/sched.h	2006-11-29 10:32:55.000000000 -0600
@@ -813,6 +813,9 @@
 	int cpuset_mems_generation;
 #endif
 	atomic_t fs_excl;	/* holding fs exclusive resources */
+	int backlog_flag; 	/* packets wait in tcp backlog queue flag */
+	int extrarun_flag;	/* extra run flag for TCP performance */
+
 };
 
 static inline pid_t process_group(struct task_struct *tsk)