--- zzzz-none-000/linux-3.10.107/arch/openrisc/include/asm/pgalloc.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/openrisc/include/asm/pgalloc.h	2021-02-04 17:41:59.000000000 +0000
@@ -78,8 +78,13 @@
 {
 	struct page *pte;
 	pte = alloc_pages(GFP_KERNEL|__GFP_REPEAT, 0);
-	if (pte)
-		clear_page(page_address(pte));
+	if (!pte)
+		return NULL;
+	clear_page(page_address(pte));
+	if (!pgtable_page_ctor(pte)) {
+		__free_page(pte);
+		return NULL;
+	}
 	return pte;
 }
 
@@ -90,6 +95,7 @@
 
 static inline void pte_free(struct mm_struct *mm, struct page *pte)
 {
+	pgtable_page_dtor(pte);
 	__free_page(pte);
 }