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-rw-r--r--include/linux/sched.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 27122575d90..3696f2f7126 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -784,8 +784,9 @@ struct task_struct {
struct prio_array *array;
unsigned short ioprio;
+#ifdef CONFIG_BLK_DEV_IO_TRACE
unsigned int btrace_seq;
-
+#endif
unsigned long sleep_avg;
unsigned long long timestamp, last_ran;
unsigned long long sched_time; /* sched_clock time spent running */