diff --git a/mm/dmapool.c b/mm/dmapool.c
index 0965306..c5ab33b 100644
--- a/mm/dmapool.c
+++ b/mm/dmapool.c
@@ -32,6 +32,7 @@
 #include <linux/poison.h>
 #include <linux/sched.h>
 #include <linux/slab.h>
+#include <linux/stat.h>
 #include <linux/spinlock.h>
 #include <linux/string.h>
 #include <linux/types.h>