move clear (#55844)

paddle/phi/core/dense_tensor.h

@@ -190,6 +190,11 @@ class DenseTensor : public TensorBase,
   void set_storage_properties(
       std::unique_ptr<StorageProperties>&& storage_properties);
 
+  void clear() {
+    holder_.reset();
+    meta_.offset = 0;
+  }
+
  private:
   friend class DenseTensorUtils;
   friend class phi::distributed::DistTensor;

paddle/phi/core/dense_tensor.inl

@@ -57,11 +57,6 @@ void check_memory_size() const;
 
 void set_layout(const DataLayout layout);
 
-void clear() {
-  holder_.reset();
-  meta_.offset = 0;
-}
-
 void ShareBufferWith(const DenseTensor& tensor, bool only_buffer=false);
 
 void ShareDataTypeWith(const DenseTensor& tensor) {