From ff6d2e4949caaa573ac693562de42aaefa42fee3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=97=B6=E6=97=A0=E4=B8=A4=E4=B8=B6?= <442367943@qq.com>
Date: Wed, 15 Apr 2020 15:29:23 +0800
Subject: [PATCH] Remove duplicate code in PoolArena. (#10174)

Motivation:

Remove duplicate code in PoolArena.

Modification:

Replace duplicate code with `tinyIdx` and `smallIdx`.

Result:

Clean code.
---
 buffer/src/main/java/io/netty/buffer/PoolArena.java | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/buffer/src/main/java/io/netty/buffer/PoolArena.java b/buffer/src/main/java/io/netty/buffer/PoolArena.java
index f58697ee15..2fc1fcad9c 100644
--- a/buffer/src/main/java/io/netty/buffer/PoolArena.java
+++ b/buffer/src/main/java/io/netty/buffer/PoolArena.java
@@ -321,15 +321,10 @@ abstract class PoolArena<T> implements PoolArenaMetric {
         int tableIdx;
         PoolSubpage<T>[] table;
         if (isTiny(elemSize)) { // < 512
-            tableIdx = elemSize >>> 4;
+            tableIdx = tinyIdx(elemSize);
             table = tinySubpagePools;
         } else {
-            tableIdx = 0;
-            elemSize >>>= 10;
-            while (elemSize != 0) {
-                elemSize >>>= 1;
-                tableIdx ++;
-            }
+            tableIdx = smallIdx(elemSize);
             table = smallSubpagePools;
         }