diff --git a/kernel/config-4.4.x-x86_64 b/kernel/config-4.4.x-x86_64
index eac200ab6..6565c60a3 100644
--- a/kernel/config-4.4.x-x86_64
+++ b/kernel/config-4.4.x-x86_64
@@ -3443,6 +3443,7 @@ CONFIG_BIG_KEYS=y
 CONFIG_ENCRYPTED_KEYS=y
 CONFIG_SECURITY_DMESG_RESTRICT=y
 CONFIG_SECURITY=y
+CONFIG_PAGE_TABLE_ISOLATION=y
 CONFIG_SECURITYFS=y
 CONFIG_SECURITY_NETWORK=y
 CONFIG_SECURITY_NETWORK_XFRM=y
diff --git a/kernel/config-4.9.x-x86_64 b/kernel/config-4.9.x-x86_64
index e55768be5..3a5fed9fd 100644
--- a/kernel/config-4.9.x-x86_64
+++ b/kernel/config-4.9.x-x86_64
@@ -3638,6 +3638,7 @@ CONFIG_ENCRYPTED_KEYS=y
 CONFIG_KEY_DH_OPERATIONS=y
 CONFIG_SECURITY_DMESG_RESTRICT=y
 CONFIG_SECURITY=y
+CONFIG_PAGE_TABLE_ISOLATION=y
 CONFIG_SECURITYFS=y
 CONFIG_SECURITY_NETWORK=y
 CONFIG_SECURITY_NETWORK_XFRM=y