Merge branch 'pm-domains'

[cascardo/linux.git] / kernel / sched / auto_group.h

diff --git a/kernel/sched/auto_group.h b/kernel/sched/auto_group.h
index 443232e..8bd0471 100644 (file)
--- a/kernel/sched/auto_group.h
+++ b/kernel/sched/auto_group.h
@@ -4,6 +4,11 @@
 #include <linux/rwsem.h>
 
 struct autogroup {
+       /*
+        * reference doesn't mean how many thread attach to this
+        * autogroup now. It just stands for the number of task
+        * could use this autogroup.
+        */
        struct kref             kref;
        struct task_group       *tg;
        struct rw_semaphore     lock;