diff --git a/include/asm-s390/pgtable.h b/include/asm-s390/pgtable.h
index 76e8a79..f8347ce 100644
--- a/include/asm-s390/pgtable.h
+++ b/include/asm-s390/pgtable.h
@@ -220,6 +220,8 @@
 /* Software bits in the page table entry */
 #define _PAGE_SWT	0x001		/* SW pte type bit t */
 #define _PAGE_SWX	0x002		/* SW pte type bit x */
+#define _PAGE_SPECIAL	0x004		/* SW associated with special page */
+#define __HAVE_ARCH_PTE_SPECIAL
 
 /* Six different types of pages. */
 #define _PAGE_TYPE_EMPTY	0x400
@@ -520,7 +522,7 @@
 
 static inline int pte_special(pte_t pte)
 {
-	return 0;
+	return (pte_val(pte) & _PAGE_SPECIAL);
 }
 
 #define __HAVE_ARCH_PTE_SAME
@@ -722,6 +724,7 @@
 
 static inline pte_t pte_mkspecial(pte_t pte)
 {
+	pte_val(pte) |= _PAGE_SPECIAL;
 	return pte;
 }