From 67b1478914c613a8e5fcd1d40686d164bc38f7a5 Mon Sep 17 00:00:00 2001
From: Kostya Serebryany <kcc@google.com>
Date: Tue, 12 Mar 2013 09:04:49 +0000
Subject: [PATCH] [asan] use 4Tb of address space for the asan allocator
 instead of 1Tb. This increases the memory available for a single size class
 from 16Gb to 64Gb. The total VM footprint becomes 20Tb

llvm-svn: 176857
---
 compiler-rt/lib/asan/asan_allocator2.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/compiler-rt/lib/asan/asan_allocator2.cc b/compiler-rt/lib/asan/asan_allocator2.cc
index 9f665b0..3288f28 100644
--- a/compiler-rt/lib/asan/asan_allocator2.cc
+++ b/compiler-rt/lib/asan/asan_allocator2.cc
@@ -61,7 +61,7 @@ const uptr kAllocatorSpace =  0xa0000000000ULL;
 #else
 const uptr kAllocatorSpace = 0x600000000000ULL;
 #endif
-const uptr kAllocatorSize  =  0x10000000000ULL;  // 1T.
+const uptr kAllocatorSize  =  0x40000000000ULL;  // 4T.
 typedef DefaultSizeClassMap SizeClassMap;
 typedef SizeClassAllocator64<kAllocatorSpace, kAllocatorSize, 0 /*metadata*/,
     SizeClassMap, AsanMapUnmapCallback> PrimaryAllocator;
-- 
2.7.4