diff -urN linux-bk/arch/i386/mm/init.c linux/arch/i386/mm/init.c
--- linux-bk/arch/i386/mm/init.c	Tue Jul 30 20:59:27 2002
+++ linux/arch/i386/mm/init.c	Wed Jul 31 00:32:37 2002
@@ -70,10 +70,14 @@
  */
 static pte_t * __init one_page_table_init(pmd_t *pmd)
 {
-	pte_t *page_table = (pte_t *) alloc_bootmem_low_pages(PAGE_SIZE);
-	set_pmd(pmd, __pmd(__pa(page_table) | _KERNPG_TABLE));
-	if (page_table != pte_offset_kernel(pmd, 0))
-		BUG();	
+	pte_t *page_table;
+	if (pmd_none(*pmd)) {
+		page_table = (pte_t *) alloc_bootmem_low_pages(PAGE_SIZE);
+		set_pmd(pmd, __pmd(__pa(page_table) | _KERNPG_TABLE));
+		if (page_table != pte_offset_kernel(pmd, 0))
+			BUG();	
+	} else
+		page_table = pte_offset_kernel(pmd, 0);
 
 	return page_table;
 }
@@ -107,9 +111,7 @@
 
 		pmd = pmd_offset(pgd, vaddr);
 		for (; (pmd_ofs < PTRS_PER_PMD) && (vaddr != end); pmd++, pmd_ofs++) {
-			if (pmd_none(*pmd)) 
-				one_page_table_init(pmd);
-
+			one_page_table_init(pmd);
 			vaddr += PMD_SIZE;
 		}
 		pmd_ofs = 0;