2 files changed, 4 insertions, 4 deletions

diff --git a/src/kern/kernel_stats.cc b/src/kern/kernel_stats.cc
index 96e219bd4..f0f010748 100644
--- a/src/kern/kernel_stats.cc
+++ b/src/kern/kernel_stats.cc
@@ -129,14 +129,14 @@ Statistics::swpipl(int ipl)
 }
 
 void
-Statistics::serialize(ostream &os)
+Statistics::serialize(CheckpointOut &cp) const
 {
     SERIALIZE_SCALAR(iplLast);
     SERIALIZE_SCALAR(iplLastTick);
 }
 
 void
-Statistics::unserialize(Checkpoint *cp, const string &section)
+Statistics::unserialize(CheckpointIn &cp)
 {
     UNSERIALIZE_SCALAR(iplLast);
     UNSERIALIZE_SCALAR(iplLastTick);
diff --git a/src/kern/kernel_stats.hh b/src/kern/kernel_stats.hh
index 0c8ed248a..8cc1ca84e 100644
--- a/src/kern/kernel_stats.hh
+++ b/src/kern/kernel_stats.hh
@@ -80,8 +80,8 @@ class Statistics : public Serializable
     void swpipl(int ipl);
 
   public:
-    virtual void serialize(std::ostream &os);
-    virtual void unserialize(Checkpoint *cp, const std::string &section);
+    void serialize(CheckpointOut &cp) const M5_ATTR_OVERRIDE;
+    void unserialize(CheckpointIn &cp) M5_ATTR_OVERRIDE;
 };
 
 } // namespace Kernel