--- zzzz-none-000/linux-3.10.107/arch/microblaze/include/asm/pgalloc.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/microblaze/include/asm/pgalloc.h	2021-02-04 17:41:59.000000000 +0000
@@ -60,7 +60,7 @@
 
 extern void __bad_pte(pmd_t *pmd);
 
-extern inline pgd_t *get_pgd_slow(void)
+static inline pgd_t *get_pgd_slow(void)
 {
 	pgd_t *ret;
 
@@ -70,7 +70,7 @@
 	return ret;
 }
 
-extern inline pgd_t *get_pgd_fast(void)
+static inline pgd_t *get_pgd_fast(void)
 {
 	unsigned long *ret;
 
@@ -84,14 +84,14 @@
 	return (pgd_t *)ret;
 }
 
-extern inline void free_pgd_fast(pgd_t *pgd)
+static inline void free_pgd_fast(pgd_t *pgd)
 {
 	*(unsigned long **)pgd = pgd_quicklist;
 	pgd_quicklist = (unsigned long *) pgd;
 	pgtable_cache_size++;
 }
 
-extern inline void free_pgd_slow(pgd_t *pgd)
+static inline void free_pgd_slow(pgd_t *pgd)
 {
 	free_page((unsigned long)pgd);
 }
@@ -122,8 +122,13 @@
 #endif
 
 	ptepage = alloc_pages(flags, 0);
-	if (ptepage)
-		clear_highpage(ptepage);
+	if (!ptepage)
+		return NULL;
+	clear_highpage(ptepage);
+	if (!pgtable_page_ctor(ptepage)) {
+		__free_page(ptepage);
+		return NULL;
+	}
 	return ptepage;
 }
 
@@ -141,25 +146,26 @@
 	return (pte_t *)ret;
 }
 
-extern inline void pte_free_fast(pte_t *pte)
+static inline void pte_free_fast(pte_t *pte)
 {
 	*(unsigned long **)pte = pte_quicklist;
 	pte_quicklist = (unsigned long *) pte;
 	pgtable_cache_size++;
 }
 
-extern inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte)
+static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte)
 {
 	free_page((unsigned long)pte);
 }
 
-extern inline void pte_free_slow(struct page *ptepage)
+static inline void pte_free_slow(struct page *ptepage)
 {
 	__free_page(ptepage);
 }
 
-extern inline void pte_free(struct mm_struct *mm, struct page *ptepage)
+static inline void pte_free(struct mm_struct *mm, struct page *ptepage)
 {
+	pgtable_page_dtor(ptepage);
 	__free_page(ptepage);
 }