From: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Date: Wed, 13 Feb 2008 23:03:15 +0000 (-0800)
Subject: rcupdate: fix comment
X-Git-Tag: v2.6.25-rc2~68
X-Git-Url: http://git.samba.org/samba.git/?p=sfrench%2Fcifs-2.6.git;a=commitdiff_plain;h=fbf6bfca76d50abef478ba902b8597ecbadfd390

rcupdate: fix comment

This comment caused some consternation during fastcall removal.  Make it
truthful.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/kernel/rcupdate.c b/kernel/rcupdate.c
index 760dfc233a00..c09605f8d16c 100644
--- a/kernel/rcupdate.c
+++ b/kernel/rcupdate.c
@@ -56,7 +56,10 @@ static atomic_t rcu_barrier_cpu_count;
 static DEFINE_MUTEX(rcu_barrier_mutex);
 static struct completion rcu_barrier_completion;
 
-/* Because of FASTCALL declaration of complete, we use this wrapper */
+/*
+ * Awaken the corresponding synchronize_rcu() instance now that a
+ * grace period has elapsed.
+ */
 static void wakeme_after_rcu(struct rcu_head  *head)
 {
 	struct rcu_synchronize *rcu;