diff --git a/drivers/staging/lustre/lustre/llite/dir.c b/drivers/staging/lustre/lustre/llite/dir.c
index 23c61fe81965..13a6426bdd9f 100644
--- a/drivers/staging/lustre/lustre/llite/dir.c
+++ b/drivers/staging/lustre/lustre/llite/dir.c
@@ -45,6 +45,7 @@
 #include <asm/uaccess.h>
 #include <linux/buffer_head.h>   // for wait_on_buffer
 #include <linux/pagevec.h>
+#include <linux/prefetch.h>
 
 #define DEBUG_SUBSYSTEM S_LLITE