X-Git-Url: http://pileus.org/git/?a=blobdiff_plain;f=kernel%2Fsched%2Fauto_group.h;h=8bd047142816dea81894bb27ccc3c78a38ac3d61;hb=5a7d8a28080caed7fd4cb1b81d092adac4445e8e;hp=443232ebbb53b24ea369ca3c4fbb7b53c5e8cbef;hpb=222e82bef4bd520a31d48c31ab24e49dd46daa46;p=~andy%2Flinux

diff --git a/kernel/sched/auto_group.h b/kernel/sched/auto_group.h
index 443232ebbb5..8bd04714281 100644
--- 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;