kernel_lockdown.7: Add a VERSIONS section

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>

diff --git a/man7/kernel_lockdown.7 b/man7/kernel_lockdown.7
index 52b4bcee3d23c2eb930e8b2d81fc78393bcdf44d..04de4d1fe5e39446b3cac2e9b7f65bbba038a185 100644 (file)
--- a/man7/kernel_lockdown.7
+++ b/man7/kernel_lockdown.7
@@ -102,3 +102,6 @@ including direct configuration of, access to and driving of hardware.
 IMA requires the addition of the "secure_boot" rules to the policy,
 whether or not they are specified on the command line,
 for both the built-in and custom policies in secure boot lockdown mode.
+.SH VERSIONS
+The Kernel Lockdown feature was added in Linux 5.4.
+.\" commit 000d388ed3bbed745f366ce71b2bb7c2ee70f449