diff --git a/drivers/gpu/drm/i915/gvt/gtt.c b/drivers/gpu/drm/i915/gvt/gtt.c
index 58e166effa456..115dc6829c268 100644
--- a/drivers/gpu/drm/i915/gvt/gtt.c
+++ b/drivers/gpu/drm/i915/gvt/gtt.c
@@ -2488,6 +2488,7 @@ static void clean_spt_oos(struct intel_gvt *gvt)
 	list_for_each_safe(pos, n, &gtt->oos_page_free_list_head) {
 		oos_page = container_of(pos, struct intel_vgpu_oos_page, list);
 		list_del(&oos_page->list);
+		free_page((unsigned long)oos_page->mem);
 		kfree(oos_page);
 	}
 }
@@ -2508,6 +2509,12 @@ static int setup_spt_oos(struct intel_gvt *gvt)
 			ret = -ENOMEM;
 			goto fail;
 		}
+		oos_page->mem = (void *)__get_free_pages(GFP_KERNEL, 0);
+		if (!oos_page->mem) {
+			ret = -ENOMEM;
+			kfree(oos_page);
+			goto fail;
+		}
 
 		INIT_LIST_HEAD(&oos_page->list);
 		INIT_LIST_HEAD(&oos_page->vm_list);
diff --git a/drivers/gpu/drm/i915/gvt/gtt.h b/drivers/gpu/drm/i915/gvt/gtt.h
index d8cb04cc946df..e9f72a6590148 100644
--- a/drivers/gpu/drm/i915/gvt/gtt.h
+++ b/drivers/gpu/drm/i915/gvt/gtt.h
@@ -221,7 +221,7 @@ struct intel_vgpu_oos_page {
 	struct list_head list;
 	struct list_head vm_list;
 	int id;
-	unsigned char mem[I915_GTT_PAGE_SIZE];
+	void *mem;
 };
 
 #define GTT_ENTRY_NUM_IN_ONE_PAGE 512