1 files changed, 1 insertions, 0 deletions
diff --git a/mm/mmap.c b/mm/mmap.c
index d3f1b5c53..45a10c0ae 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -42,6 +42,7 @@
 #include <linux/memory.h>
 #include <linux/printk.h>
 #include <linux/userfaultfd_k.h>
+#include <linux/ksm.h>
 
 #include <asm/uaccess.h>
 #include <asm/cacheflush.h>