diff --git a/include/linux/taskstats.h b/include/linux/taskstats.h
index af93a63..3d2c304 100644
--- a/include/linux/taskstats.h
+++ b/include/linux/taskstats.h
@@ -107,6 +107,17 @@
 	__u64	ac_minflt;		/* Minor Page Fault */
 	__u64	ac_majflt;		/* Major Page Fault */
 	/* Basic Accounting Fields end */
+
+ 	/* Extended accounting fields start */
+ 	__u64	acct_rss_mem1;		/* accumulated rss usage */
+ 	__u64	acct_vm_mem1;		/* accumulated virtual memory usage */
+ 	__u64	hiwater_rss;		/* High-watermark of RSS usage */
+ 	__u64	hiwater_vm;		/* High-water virtual memory usage */
+ 	__u64	read_char;		/* bytes read */
+ 	__u64	write_char;		/* bytes written */
+ 	__u64	read_syscalls;		/* read syscalls */
+ 	__u64	write_syscalls;		/* write syscalls */
+ 	/* Extended accounting fields end */
 };
 
 
diff --git a/include/linux/tsacct_kern.h b/include/linux/tsacct_kern.h
index 7e8196a..74102dc 100644
--- a/include/linux/tsacct_kern.h
+++ b/include/linux/tsacct_kern.h
@@ -16,4 +16,13 @@
 {}
 #endif /* CONFIG_TASKSTATS */
 
+#ifdef CONFIG_TASK_XACCT
+extern void xacct_add_tsk(struct taskstats *stats, struct task_struct *p);
+#else
+static inline void xacct_add_tsk(struct taskstats *stats, struct task_struct *p)
+{}
+#endif /* CONFIG_TASK_XACCT */
+
 #endif
+
+