diff --git a/acore/info.c b/acore/info.c
index ac9bfd3..5252cf6 100644
--- a/acore/info.c
+++ b/acore/info.c
@@ -20,6 +20,7 @@
  *
  */
 
+#include <linux/mm.h>
 #include <linux/init.h>
 #include <linux/time.h>
 #include <linux/smp_lock.h>