diff -urN linux-2.6.17-mm1-orig/drivers/base/memory.c linux-2.6.17-mm1/drivers/base/memory.c
--- linux-2.6.17-mm1-orig/drivers/base/memory.c	2006-06-23 16:12:01.000000000 -0400
+++ linux-2.6.17-mm1/drivers/base/memory.c	2006-06-23 20:04:04.000000000 -0400
@@ -163,9 +163,9 @@
 	/*
 	 * The probe routines leave the pages reserved, just
 	 * as the bootmem code does.  Make sure they're still
-	 * that way.
+	 * that way.  UNLESS you do real hot add? 
 	 */
-	if (action == MEM_ONLINE) {
+/*	if (action == MEM_ONLINE) {
 		for (i = 0; i < PAGES_PER_SECTION; i++) {
 			if (PageReserved(first_page+i))
 				continue;
@@ -176,6 +176,7 @@
 			return -EBUSY;
 		}
 	}
+*/
 
 	switch (action) {
 		case MEM_ONLINE: