From 0a74c7644988060b3913c4df686c0a85892ee94e Mon Sep 17 00:00:00 2001
From: Olli Pettay <Olli.Pettay@helsinki.fi>
Date: Fri, 24 Aug 2012 12:26:44 -0700
Subject: [PATCH] Bug 785463 - Tweak PurpleBuffer Block size, r=mccr8

---
 xpcom/base/nsCycleCollector.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/xpcom/base/nsCycleCollector.cpp b/xpcom/base/nsCycleCollector.cpp
index 74afb06294b9..902774c5cf60 100644
--- a/xpcom/base/nsCycleCollector.cpp
+++ b/xpcom/base/nsCycleCollector.cpp
@@ -704,7 +704,8 @@ struct nsPurpleBuffer
 private:
     struct Block {
         Block *mNext;
-        nsPurpleBufferEntry mEntries[255];
+         // Try to match the size of a jemalloc bucket.
+        nsPurpleBufferEntry mEntries[1360];
 
         Block() : mNext(nullptr) {}
     };