Index: vm_page.c
===================================================================
RCS file: /cognet/ncvs/src/sys/vm/vm_page.c,v
retrieving revision 1.316
diff -u -p -r1.316 vm_page.c
--- vm_page.c	31 May 2006 22:55:23 -0000	1.316
+++ vm_page.c	20 Jun 2006 22:45:48 -0000
@@ -227,10 +227,13 @@ vm_page_startup(vm_offset_t vaddr)
 	 * Allocate memory for use when boot strapping the kernel memory
 	 * allocator.
 	 */
-	new_end = end - (boot_pages * UMA_SLAB_SIZE);
+	new_end = end - (PAGE_SIZE + boot_pages * UMA_SLAB_SIZE);
 	new_end = trunc_page(new_end);
 	mapped = pmap_map(&vaddr, new_end, end,
 	    VM_PROT_READ | VM_PROT_WRITE);
+	my_mem = mapped;
+	mapped += PAGE_SIZE;
+	new_end += PAGE_SIZE;
 	bzero((void *)mapped, end - new_end);
 	uma_startup((void *)mapped, boot_pages);