--- 2.4.10pre2aa2/include/linux/mm.h.~1~	Thu Aug 30 20:50:59 2001
+++ 2.4.10pre2aa2/include/linux/mm.h	Fri Aug 31 17:38:30 2001
@@ -451,7 +451,7 @@
  */
 static inline pmd_t *pmd_alloc(struct mm_struct *mm, pgd_t *pgd, unsigned long address)
 {
-	if (!pgd_present(*pgd))
+	if (pgd_none(*pgd))
 		return __pmd_alloc(mm, pgd, address);
 	return pmd_offset(pgd, address);
 }
--- 2.4.10pre2aa2/mm/memory.c.~1~	Thu Aug 30 20:41:41 2001
+++ 2.4.10pre2aa2/mm/memory.c	Fri Aug 31 17:38:13 2001
@@ -1389,7 +1389,7 @@
 		 * Because we dropped the lock, we should re-check the
 		 * entry, as somebody else could have populated it..
 		 */
-		if (pgd_present(*pgd)) {
+		if (!pgd_none(*pgd)) {
 			pmd_free(new);
 			goto out;
 		}
@@ -1407,7 +1407,7 @@
  */
 pte_t *pte_alloc(struct mm_struct *mm, pmd_t *pmd, unsigned long address)
 {
-	if (!pmd_present(*pmd)) {
+	if (pmd_none(*pmd)) {
 		pte_t *new;
 
 		/* "fast" allocation can happen without dropping the lock.. */
@@ -1423,7 +1423,7 @@
 			 * Because we dropped the lock, we should re-check the
 			 * entry, as somebody else could have populated it..
 			 */
-			if (pmd_present(*pmd)) {
+			if (!pmd_none(*pmd)) {
 				pte_free(new);
 				goto out;
 			}