README: document kernel version for GRND_INSECURE and close_range()

diff --git a/README b/README
index 23bf094f783fc315408a7520fb5913cadffc81da..330554eb47aa01f8d7a03a3e21c449ee633570f4 100644 (file)
--- a/README
+++ b/README
@@ -41,7 +41,9 @@ REQUIREMENTS:
                      ≥ 5.2 for cgroup freezer
                      ≥ 5.3 for bounded loops in BPF program
                      ≥ 5.4 for pidfd, new mount API, and signed Verity images
+                     ≥ 5.6 for getrandom() GRND_INSECURE
                      ≥ 5.7 for CLONE_INTO_CGROUP, BPF links and the BPF LSM hook
+                     ≥ 5.9 for close_range()
                      ≥ 5.8 for LOOP_CONFIGURE and STATX_ATTR_MOUNT_ROOT
                      ≥ 6.3 for MFD_EXEC/MFD_NOEXEC_SEAL and tmpfs noswap option
                      ≥ 6.5 for name_to_handle_at() AT_HANDLE_FID, SO_PEERPIDFD/SO_PASSPIDFD,