1 files changed, 1 insertions, 1 deletions

diff --git a/include/asm-ppc64/thread_info.h b/include/asm-ppc64/thread_info.h
index 48b7900e90ec..0494df6fca74 100644
--- a/include/asm-ppc64/thread_info.h
+++ b/include/asm-ppc64/thread_info.h
@@ -24,7 +24,7 @@ struct thread_info {
         struct task_struct *task;               /* main task structure */
         struct exec_domain *exec_domain;        /* execution domain */
         int             cpu;                    /* cpu we're on */
-        int             preempt_count;
+        int             preempt_count;          /* 0 => preemptable, <0 => BUG */
         struct restart_block restart_block;
         /* set by force_successful_syscall_return */
         unsigned char   syscall_noerror;