From f44720850c6d1459f651b44e098513789273fabb Mon Sep 17 00:00:00 2001
From: Trustin Lee <t@motd.kr>
Date: Sat, 21 Jun 2014 17:52:40 +0900
Subject: [PATCH] Add missing last padding / Comment

---
 .../src/main/java/io/netty/util/internal/MpscLinkedQueue.java  | 3 +++
 .../java/io/netty/util/internal/MpscLinkedQueueTailRef.java    | 1 +
 2 files changed, 4 insertions(+)

diff --git a/common/src/main/java/io/netty/util/internal/MpscLinkedQueue.java b/common/src/main/java/io/netty/util/internal/MpscLinkedQueue.java
index 959160e4f5..1b72d1bff7 100644
--- a/common/src/main/java/io/netty/util/internal/MpscLinkedQueue.java
+++ b/common/src/main/java/io/netty/util/internal/MpscLinkedQueue.java
@@ -69,6 +69,9 @@ final class MpscLinkedQueue<E> extends MpscLinkedQueueTailRef<E> implements Queu
 
     private static final long serialVersionUID = -1878402552271506449L;
 
+    long p00, p01, p02, p03, p04, p05, p06, p07;
+    long p30, p31, p32, p33, p34, p35, p36, p37;
+
     // offer() occurs at the tail of the linked list.
     // poll() occurs at the head of the linked list.
     //
diff --git a/common/src/main/java/io/netty/util/internal/MpscLinkedQueueTailRef.java b/common/src/main/java/io/netty/util/internal/MpscLinkedQueueTailRef.java
index 38679acf93..4dd99c26aa 100644
--- a/common/src/main/java/io/netty/util/internal/MpscLinkedQueueTailRef.java
+++ b/common/src/main/java/io/netty/util/internal/MpscLinkedQueueTailRef.java
@@ -48,6 +48,7 @@ abstract class MpscLinkedQueueTailRef<E> extends MpscLinkedQueuePad1<E> {
 
     @SuppressWarnings("unchecked")
     protected final MpscLinkedQueueNode<E> getAndSetTailRef(MpscLinkedQueueNode<E> tailRef) {
+        // LOCK XCHG in JDK8, a CAS loop in JDK 7/6
         return (MpscLinkedQueueNode<E>) UPDATER.getAndSet(this, tailRef);
     }
 }