1 files changed, 1 insertions, 0 deletions

diff --git a/exec.c b/exec.c
index 05f80f8..9186cfb 100644
--- a/exec.c
+++ b/exec.c
@@ -1,5 +1,6 @@
 #include "types.h"
 #include "param.h"
+#include "memlayout.h"
 #include "mmu.h"
 #include "proc.h"
 #include "defs.h"