diff --git a/mm/highmem.c b/mm/highmem.c
index 7da4a7b6af11f1d359af60568b312838f8fa2802..e16e1523b688680572513b16ef0e49d5ac0314f0 100644
--- a/mm/highmem.c
+++ b/mm/highmem.c
@@ -40,6 +40,7 @@
 #ifdef CONFIG_HIGHMEM
 
 unsigned long totalhigh_pages __read_mostly;
+EXPORT_SYMBOL(totalhigh_pages);
 
 unsigned int nr_free_highpages (void)
 {