diff -urN 2.4.6pre5/arch/i386/config.in novirtual/arch/i386/config.in
--- 2.4.6pre5/arch/i386/config.in	Thu Jun 21 08:03:30 2001
+++ novirtual/arch/i386/config.in	Thu Jun 21 16:02:11 2001
@@ -165,6 +165,9 @@
    define_bool CONFIG_HIGHMEM y
    define_bool CONFIG_X86_PAE y
 fi
+if [ "$CONFIG_NOHIGHMEM" = "y" ]; then
+   define_bool CONFIG_NO_PAGE_VIRTUAL y
+fi
 
 bool 'Math emulation' CONFIG_MATH_EMULATION
 bool 'MTRR (Memory Type Range Register) support' CONFIG_MTRR
diff -urN 2.4.6pre5/include/asm-i386/pgtable.h novirtual/include/asm-i386/pgtable.h
--- 2.4.6pre5/include/asm-i386/pgtable.h	Thu Jun 14 18:07:49 2001
+++ novirtual/include/asm-i386/pgtable.h	Thu Jun 21 16:02:11 2001
@@ -255,7 +255,11 @@
  * Permanent address of a page. Obviously must never be
  * called on a highmem page.
  */
+#ifdef CONFIG_NO_PAGE_VIRTUAL
+#define page_address(page) __va((page - mem_map) << PAGE_SHIFT)
+#else
 #define page_address(page) ((page)->virtual)
+#endif
 #define pages_to_mb(x) ((x) >> (20-PAGE_SHIFT))
 
 /*
diff -urN 2.4.6pre5/include/linux/mm.h novirtual/include/linux/mm.h
--- 2.4.6pre5/include/linux/mm.h	Thu Jun 21 08:03:56 2001
+++ novirtual/include/linux/mm.h	Thu Jun 21 16:02:33 2001
@@ -160,8 +160,10 @@
 	wait_queue_head_t wait;		/* Page locked?  Stand in line... */
 	struct page **pprev_hash;	/* Complement to *next_hash. */
 	struct buffer_head * buffers;	/* Buffer maps us to a disk block. */
+#ifndef CONFIG_NO_PAGE_VIRTUAL
 	void *virtual;			/* Kernel virtual address (NULL if
 					   not kmapped, ie. highmem) */
+#endif
 	struct zone_struct *zone;	/* Memory zone we are in. */
 } mem_map_t;
 
diff -urN 2.4.6pre5/mm/page_alloc.c novirtual/mm/page_alloc.c
--- 2.4.6pre5/mm/page_alloc.c	Thu Jun 21 08:03:57 2001
+++ novirtual/mm/page_alloc.c	Thu Jun 21 16:02:11 2001
@@ -851,8 +851,10 @@
 		for (i = 0; i < size; i++) {
 			struct page *page = mem_map + offset + i;
 			page->zone = zone;
+#ifndef CONFIG_NO_PAGE_VIRTUAL
 			if (j != ZONE_HIGHMEM)
 				page->virtual = __va(zone_start_paddr);
+#endif
 			zone_start_paddr += PAGE_SIZE;
 		}