diff --git a/include/linux/sched.h b/include/linux/sched.h
index c28ed1b1d7c2b52fdc3de750bc8ad623975632f3..94858df38a87f74cf7e584e2d47bd0525a954ae6 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -193,7 +193,7 @@ print_cfs_rq(struct seq_file *m, int cpu, struct cfs_rq *cfs_rq)
 #define TASK_WAKEKILL		128
 #define TASK_WAKING		256
 
-#define TASK_STATE_TO_CHAR_STR "RSDTtZX"
+#define TASK_STATE_TO_CHAR_STR "RSDTtZXxKW"
 
 /* Convenience macros for the sake of set_task_state */
 #define TASK_KILLABLE		(TASK_WAKEKILL | TASK_UNINTERRUPTIBLE)