Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6

[firefly-linux-kernel-4.4.55.git] / kernel / sched_autogroup.h

diff --git a/kernel/sched_autogroup.h b/kernel/sched_autogroup.h
index 7b859ffe5dadd677cce89f833ee43a242ea3a992..05577055cfcaa4dc7ac055cb495f8e4ac97d96c4 100644 (file)
--- a/kernel/sched_autogroup.h
+++ b/kernel/sched_autogroup.h
@@ -1,6 +1,11 @@
 #ifdef CONFIG_SCHED_AUTOGROUP
 
 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;