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-rw-r--r--src/mem/ruby/system/SparseMemory.cc2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/mem/ruby/system/SparseMemory.cc b/src/mem/ruby/system/SparseMemory.cc
index 70e00f14b..c4f636322 100644
--- a/src/mem/ruby/system/SparseMemory.cc
+++ b/src/mem/ruby/system/SparseMemory.cc
@@ -28,6 +28,8 @@
#include "mem/ruby/system/SparseMemory.hh"
+using namespace std;
+
SparseMemory::SparseMemory(int number_of_bits, int number_of_levels)
{
int even_level_bits;