From 40c19aaf8451bd60b9d9dc56bf0e372a90995bcf Mon Sep 17 00:00:00 2001
From: Dmitry Vyukov <dvyukov@google.com>
Date: Mon, 17 Sep 2012 03:18:45 +0000
Subject: [PATCH] tsan: increase internal memory block limit 1GB->4GB

llvm-svn: 164011
---
 compiler-rt/lib/tsan/rtl/tsan_rtl.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/compiler-rt/lib/tsan/rtl/tsan_rtl.cc b/compiler-rt/lib/tsan/rtl/tsan_rtl.cc
index 40e2bf33ef82..a0b30ac748fe 100644
--- a/compiler-rt/lib/tsan/rtl/tsan_rtl.cc
+++ b/compiler-rt/lib/tsan/rtl/tsan_rtl.cc
@@ -454,7 +454,7 @@ static void MemoryRangeSet(ThreadState *thr, uptr pc, uptr addr, uptr size,
   // Some programs mmap like hundreds of GBs but actually used a small part.
   // So, it's better to report a false positive on the memory
   // then to hang here senselessly.
-  const uptr kMaxResetSize = 1024*1024*1024;
+  const uptr kMaxResetSize = 4ull*1024*1024*1024;
   if (size > kMaxResetSize)
     size = kMaxResetSize;
   size = (size + (kShadowCell - 1)) & ~(kShadowCell - 1);
-- 
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