diff --git a/arch/ia64/kernel/mca_drv.c b/arch/ia64/kernel/mca_drv.c
index 6ff32d4..eb39bc9 100644
--- a/arch/ia64/kernel/mca_drv.c
+++ b/arch/ia64/kernel/mca_drv.c
@@ -108,6 +108,7 @@
 		return ISOLATE_NG;
 
 	/* add attribute 'Reserved' and register the page */
+	get_page(p);
 	SetPageReserved(p);
 	page_isolate[num_page_isolate++] = p;