diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index c790c1fa5ea3..72c10211dea3 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2007-11-01  Richard Guenther  <rguenther@suse.de>
+
+	* ggc-page.c (extra_order_size_tab): Add bitmap_head size.
+
 2007-11-01  Steven Bosscher  <stevenb.gcc@gmail.com>
 
 	PR rtl-optimization/33828
diff --git a/gcc/ggc-page.c b/gcc/ggc-page.c
index 6b691eec759d..94ffd503dc40 100644
--- a/gcc/ggc-page.c
+++ b/gcc/ggc-page.c
@@ -195,6 +195,7 @@ static const size_t extra_order_size_table[] = {
   sizeof (struct function),
   sizeof (struct basic_block_def),
   sizeof (bitmap_element),
+  sizeof (bitmap_head),
   /* PHI nodes with one to three arguments are already covered by the
      above sizes.  */
   sizeof (struct tree_phi_node) + sizeof (struct phi_arg_d) * 3,