hung_task: print message when hung_task_warnings gets down to zero.

[linux-2.6-block.git] / kernel / hung_task.c

diff --git a/kernel/hung_task.c b/kernel/hung_task.c
index c71889f3f3fc23ca7da3215caa5f5a4e69e7a41c..322813366c6c60def4d47d7adbac57d390d0da99 100644 (file)
--- a/kernel/hung_task.c
+++ b/kernel/hung_task.c
@@ -142,6 +142,8 @@ static void check_hung_task(struct task_struct *t, unsigned long timeout)
 
                if (sysctl_hung_task_all_cpu_backtrace)
                        hung_task_show_all_bt = true;
+               if (!sysctl_hung_task_warnings)
+                       pr_info("Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings\n");
        }
 
        touch_nmi_watchdog();