1 files changed, 15 insertions, 2 deletions

diff --git a/include/linux/thread_info.h b/include/linux/thread_info.h
index 1c4eb41dbd89..9c4ad755d7e5 100644
--- a/include/linux/thread_info.h
+++ b/include/linux/thread_info.h
@@ -7,12 +7,25 @@
 #ifndef _LINUX_THREAD_INFO_H
 #define _LINUX_THREAD_INFO_H
 
+#include <linux/types.h>
+
 /*
- * System call restart block. 
+ * System call restart block.
  */
 struct restart_block {
         long (*fn)(struct restart_block *);
-        unsigned long arg0, arg1, arg2, arg3;
+        union {
+                struct {
+                        unsigned long arg0, arg1, arg2, arg3;
+                };
+                /* For futex_wait */
+                struct {
+                        u32 *uaddr;
+                        u32 val;
+                        u32 flags;
+                        u64 time;
+                } futex;
+        };
 };
 
 extern long do_no_restart_syscall(struct restart_block *parm);