1 files changed, 1 insertions, 1 deletions

diff --git a/include/asm-s390/thread_info.h b/include/asm-s390/thread_info.h
index aade85c53a63..fe101d41e849 100644
--- a/include/asm-s390/thread_info.h
+++ b/include/asm-s390/thread_info.h
@@ -50,7 +50,7 @@ struct thread_info {
         struct exec_domain      *exec_domain;   /* execution domain */
         unsigned long           flags;          /* low level flags */
         unsigned int            cpu;            /* current CPU */
-        unsigned int            preempt_count; /* 0 => preemptable */
+        int                     preempt_count;  /* 0 => preemptable, <0 => BUG */
         struct restart_block    restart_block;
 };