diff --git a/security/integrity/digsig.c b/security/integrity/digsig.c
index 6f9e4ce568cd87fd8b529a2e8c08c615c6f790a5..9bb0a7f2863e3750ced13183d083281d320f9109 100644
--- a/security/integrity/digsig.c
+++ b/security/integrity/digsig.c
@@ -18,6 +18,7 @@
 #include <linux/cred.h>
 #include <linux/key-type.h>
 #include <linux/digsig.h>
+#include <linux/vmalloc.h>
 #include <crypto/public_key.h>
 #include <keys/system_keyring.h>