1 files changed, 2 insertions, 0 deletions

diff --git a/include/asm-um/thread_info.h b/include/asm-um/thread_info.h
index 261e2f4528f6..18a13ba74605 100644
--- a/include/asm-um/thread_info.h
+++ b/include/asm-um/thread_info.h
@@ -22,6 +22,7 @@ struct thread_info {
                                                    0-0xBFFFFFFF for user
                                                    0-0xFFFFFFFF for kernel */
         struct restart_block    restart_block;
+        struct thread_info      *real_thread;    /* Points to non-IRQ stack */
 };
 
 #define INIT_THREAD_INFO(tsk)                   \
@@ -35,6 +36,7 @@ struct thread_info {
         .restart_block =  {                     \
                 .fn =  do_no_restart_syscall,   \
         },                                      \
+        .real_thread = NULL,                    \
 }
 
 #define init_thread_info        (init_thread_union.thread_info)