docs: add note about CLONE_NEWCGROUP support

The patch has been planned for weeks and now the kernel part is
already in Linus' tree. It's a new feature, but it's probably better
to merge the userspace stuff now (v2.28 rc1) than wait next 6 months
for the next util-linux release.

Signed-off-by: Karel Zak <kzak@redhat.com>

diff --git a/Documentation/releases/v2.28-ReleaseNotes b/Documentation/releases/v2.28-ReleaseNotes
index f2481d0cff9c62b8dd288671a7b0906cdbe581de..229c5f56a39da0821cf5446263ceee853595e395 100644 (file)
--- a/Documentation/releases/v2.28-ReleaseNotes
+++ b/Documentation/releases/v2.28-ReleaseNotes
@@ -31,6 +31,9 @@ The command lsblk allows to sort output by unprinted columns (e.g. lsblk
 
 The command mount applies the nofail mount option to ENOMEDIUM errors.
 
+The commands nsenter and unshare support a new option --cgroup for work with 
+cgroups namespaces (CLONE_NEWCGROUP).
+
 The library libmount has been improved to properly detect already mounted btrfs
 subvolumes.