diff --git a/[refs] b/[refs]
index 2d239c87789b..3ea71370efb4 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 120b286d3c94a4e59fdb8069d42e8d49ea468ffd
+refs/heads/master: 5eb1d63f5fc8455269c2756223b3cf3779fd2f7a
diff --git a/trunk/arch/ia64/kernel/setup.c b/trunk/arch/ia64/kernel/setup.c
index e4dfda1eb7dd..6dba2d63f24d 100644
--- a/trunk/arch/ia64/kernel/setup.c
+++ b/trunk/arch/ia64/kernel/setup.c
@@ -260,6 +260,7 @@ reserve_memory (void)
 	n++;
 
 	num_rsvd_regions = n;
+	BUG_ON(IA64_MAX_RSVD_REGIONS + 1 < n);
 
 	sort_regions(rsvd_region, num_rsvd_regions);
 }