diff --git a/src/sim/mem_pool.cc b/src/sim/mem_pool.cc
index 2614ad5ff8..f568e28a4a 100644
--- a/src/sim/mem_pool.cc
+++ b/src/sim/mem_pool.cc
@@ -33,14 +33,14 @@
 
 #include "sim/mem_pool.hh"
 
-#include "sim/system.hh"
+#include "base/logging.hh"
 
 namespace gem5
 {
 
-MemPool::MemPool(System *system, Addr ptr, Addr limit)
-        : sys(system), freePageNum(ptr >> sys->getPageShift()),
-        _totalPages(limit >> sys->getPageShift())
+MemPool::MemPool(Addr page_shift, Addr ptr, Addr limit)
+        : pageShift(page_shift), freePageNum(ptr >> page_shift),
+        _totalPages(limit >> page_shift)
 {
 }
 
@@ -59,7 +59,7 @@ MemPool::setFreePage(Counter value)
 Addr
 MemPool::freePageAddr() const
 {
-    return freePageNum << sys->getPageShift();
+    return freePageNum << pageShift;
 }
 
 Counter
@@ -83,19 +83,19 @@ MemPool::freePages() const
 Addr
 MemPool::allocatedBytes() const
 {
-    return allocatedPages() << sys->getPageShift();
+    return allocatedPages() << pageShift;
 }
 
 Addr
 MemPool::freeBytes() const
 {
-    return freePages() << sys->getPageShift();
+    return freePages() << pageShift;
 }
 
 Addr
 MemPool::totalBytes() const
 {
-    return totalPages() << sys->getPageShift();
+    return totalPages() << pageShift;
 }
 
 Addr
diff --git a/src/sim/mem_pool.hh b/src/sim/mem_pool.hh
index e8bd439156..49523f4e10 100644
--- a/src/sim/mem_pool.hh
+++ b/src/sim/mem_pool.hh
@@ -45,7 +45,7 @@ class System;
 class MemPool
 {
   private:
-    System *sys;
+    Addr pageShift;
 
     /** Page number to free memory. */
     Counter freePageNum;
@@ -54,7 +54,7 @@ class MemPool
     Counter _totalPages;
 
   public:
-    MemPool(System *system, Addr ptr, Addr limit);
+    MemPool(Addr page_shift, Addr ptr, Addr limit);
 
     Counter freePage() const;
     void setFreePage(Counter value);
diff --git a/src/sim/system.cc b/src/sim/system.cc
index 299ba66873..38952762b1 100644
--- a/src/sim/system.cc
+++ b/src/sim/system.cc
@@ -236,9 +236,10 @@ System::System(const Params &p)
             if (_m5opRange.valid()) {
                 // Make sure the m5op range is not included.
                 for (const auto &range: mem.exclude({_m5opRange}))
-                    memPools.emplace_back(this, range.start(), range.end());
+                    memPools.emplace_back(getPageShift(),
+                            range.start(), range.end());
             } else {
-                memPools.emplace_back(this, mem.start(), mem.end());
+                memPools.emplace_back(getPageShift(), mem.start(), mem.end());
             }
         }
 
@@ -468,7 +469,7 @@ System::unserialize(CheckpointIn &cp)
 
     assert(ptrs.size() == limits.size());
     for (size_t i = 0; i < ptrs.size(); i++)
-        memPools.emplace_back(this, ptrs[i], limits[i]);
+        memPools.emplace_back(getPageShift(), ptrs[i], limits[i]);
 
     // also unserialize the memories in the system
     physmem.unserializeSection(cp, "physmem");