intel: remember intel_mem allocation size
diff --git a/icd/intel/mem.h b/icd/intel/mem.h
index 59f1f4d..7522794 100644
--- a/icd/intel/mem.h
+++ b/icd/intel/mem.h
@@ -32,6 +32,7 @@
     struct intel_base base;
 
     struct intel_bo *bo;
+    XGL_GPU_SIZE size;
 };
 
 XGL_RESULT intel_mem_alloc(struct intel_dev *dev,