Index: linux-2.6.14-rc5-mm1/mm/vmscan.c
===================================================================
--- linux-2.6.14-rc5-mm1.orig/mm/vmscan.c	2005-11-04 14:55:53.000000000 -0800
+++ linux-2.6.14-rc5-mm1/mm/vmscan.c	2005-11-05 15:07:57.000000000 -0800
@@ -1873,3 +1873,81 @@ asmlinkage long sys_set_zone_reclaim(uns
 
 	return 0;
 }
+
+LIST_HEAD(bad_list);
+
+int remap_bad_memory(unsigned long address, unsigned long length, int mode, char *message)
+{
+	struct page *page, *start, *end;
+	struct zone *zone;
+	LIST_HEAD(lru_pages);
+	int rc = 0;
+
+	start = virt_to_page(address & ~PAGE_MASK);
+	end = virt_to_page(PAGE_ALIGN(address +length));
+	zone = page_zone(page);
+
+	spin_lock_irq(zone->lru_lock);
+	for (page = start; page < end; page++) {
+		int r;
+redo:
+		r = __isolate_lru_page(zone, page);
+
+		if (r == 1) {
+			/* Page on the LRU */
+			list_add(&page->lru, lru_pages);
+			continue;
+		}
+
+		if (page_count(page) == 0) {
+			/* Free page. Take it off the free lists */
+			continue;
+		}
+
+		if (r) {
+			/*
+			 * Possible transient situation with page being freed but
+			 * page_count(page) is no longer zero.
+			 */
+			schedule();
+			goto redo;
+		}
+
+		/*
+		 * Page in use but not on the LRU.
+		 * Cannot queue this page because ->lru
+		 * may be in use for other purposes.
+		 */
+		if (PageSlab(page)) {
+			/* Try to do a slab reclaim if we can */
+			/* continue; */
+		}
+
+		/* Unfreeable page. Sorry we have to bail out. */
+		rc = -EIO;
+		break;
+	}
+	spin_unlock_irq(&zone->lru_lock);
+
+	if (!rc) {
+		int r;
+
+		list_splice(&bad_list, &lru_pages);
+
+		if (mode) {
+			r = zap_pages(&lru_pages);
+			if (r)
+				rc = -EIO;
+		} else {
+			/*
+			 * Simply swap out the pages
+			 */
+			r = migrate_pages(&lru_pages, NULL);
+			if (r)
+				rc = -EAGAIN;
+		}
+	}
+	putback_lru_pages(lru_pages);
+	return rc;
+}
+