1 files changed, 1 insertions, 0 deletions
diff --git a/fs/fifo.c b/fs/fifo.c
index ecd9bc232..e9753534a 100644
--- a/fs/fifo.c
+++ b/fs/fifo.c
@@ -8,6 +8,7 @@
 #include <linux/kernel.h>
 #include <linux/errno.h>
 #include <linux/fcntl.h>
+#include <linux/mm.h>
 
 static int fifo_open(struct inode * inode,struct file * filp)
 {