Merge branch 'core-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

* 'core-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  check_hung_task(): unsigned sysctl_hung_task_warnings cannot be less than 0
  documentation: local_ops fix on_each_cpu
diff --git a/Documentation/local_ops.txt b/Documentation/local_ops.txt
index f4f8b1c..23045b8 100644
--- a/Documentation/local_ops.txt
+++ b/Documentation/local_ops.txt
@@ -149,7 +149,7 @@
 	int cpu;
 
 	/* Increment the counters */
-	on_each_cpu(test_each, NULL, 0, 1);
+	on_each_cpu(test_each, NULL, 1);
 	/* Read all the counters */
 	printk("Counters read from CPU %d\n", smp_processor_id());
 	for_each_online_cpu(cpu) {
diff --git a/kernel/softlockup.c b/kernel/softlockup.c
index 3953e4a..dc0b3be 100644
--- a/kernel/softlockup.c
+++ b/kernel/softlockup.c
@@ -188,7 +188,7 @@
 	if ((long)(now - t->last_switch_timestamp) <
 					sysctl_hung_task_timeout_secs)
 		return;
-	if (sysctl_hung_task_warnings < 0)
+	if (!sysctl_hung_task_warnings)
 		return;
 	sysctl_hung_task_warnings--;