[compiler-rt] r176857 - [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

[Kostya Serebryany]

Author: kcc
Date: Tue Mar 12 04:04:49 2013
New Revision: 176857

URL: http://llvm.org/viewvc/llvm-project?rev=176857&view=rev
Log:
[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

Modified:
    compiler-rt/trunk/lib/asan/asan_allocator2.cc

Modified: compiler-rt/trunk/lib/asan/asan_allocator2.cc
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/asan/asan_allocator2.cc?rev=176857&r1=176856&r2=176857&view=diff
==============================================================================
--- compiler-rt/trunk/lib/asan/asan_allocator2.cc (original)
+++ compiler-rt/trunk/lib/asan/asan_allocator2.cc Tue Mar 12 04:04:49 2013
@@ -61,7 +61,7 @@ const uptr kAllocatorSpace =  0xa0000000
 #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;