diff --git a/include/linux/ptr_ring.h b/include/linux/ptr_ring.h
index 0abe9a4fc842..417db0a79a62 100644
--- a/include/linux/ptr_ring.h
+++ b/include/linux/ptr_ring.h
@@ -23,6 +23,7 @@
 #include <linux/types.h>
 #include <linux/compiler.h>
 #include <linux/slab.h>
+#include <linux/mm.h>
 #include <asm/errno.h>
 #endif