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-rw-r--r--src/mem/ruby/system/DirectoryMemory.cc1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/mem/ruby/system/DirectoryMemory.cc b/src/mem/ruby/system/DirectoryMemory.cc
index 03aa68919..d2e00ab3b 100644
--- a/src/mem/ruby/system/DirectoryMemory.cc
+++ b/src/mem/ruby/system/DirectoryMemory.cc
@@ -58,6 +58,7 @@ DirectoryMemory::init()
if (m_use_map) {
m_sparseMemory = new SparseMemory(m_map_levels);
+ g_system_ptr->registerSparseMemory(m_sparseMemory);
} else {
m_entries = new AbstractEntry*[m_num_entries];
for (int i = 0; i < m_num_entries; i++)