diff --git a/Documentation/cgroup-v2.txt b/Documentation/cgroup-v2.txt
index 46ec3f76211c..dc44785dc0fa 100644
--- a/Documentation/cgroup-v2.txt
+++ b/Documentation/cgroup-v2.txt
@@ -868,6 +868,24 @@ All cgroup core files are prefixed with "cgroup."
 	If the actual descent depth is equal or larger,
 	an attempt to create a new child cgroup will fail.
 
+  cgroup.stat
+	A read-only flat-keyed file with the following entries:
+
+	  nr_descendants
+		Total number of visible descendant cgroups.
+
+	  nr_dying_descendants
+		Total number of dying descendant cgroups. A cgroup becomes
+		dying after being deleted by a user. The cgroup will remain
+		in dying state for some time undefined time (which can depend
+		on system load) before being completely destroyed.
+
+		A process can't enter a dying cgroup under any circumstances,
+		a dying cgroup can't revive.
+
+		A dying cgroup can consume system resources not exceeding
+		limits, which were active at the moment of cgroup deletion.
+
 
 Controllers
 ===========
diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c
index 0fd9134e1720..a06755a610e1 100644
--- a/kernel/cgroup/cgroup.c
+++ b/kernel/cgroup/cgroup.c
@@ -3304,6 +3304,18 @@ static int cgroup_events_show(struct seq_file *seq, void *v)
 	return 0;
 }
 
+static int cgroup_stats_show(struct seq_file *seq, void *v)
+{
+	struct cgroup *cgroup = seq_css(seq)->cgroup;
+
+	seq_printf(seq, "nr_descendants %d\n",
+		   cgroup->nr_descendants);
+	seq_printf(seq, "nr_dying_descendants %d\n",
+		   cgroup->nr_dying_descendants);
+
+	return 0;
+}
+
 static int cgroup_file_open(struct kernfs_open_file *of)
 {
 	struct cftype *cft = of->kn->priv;
@@ -4407,6 +4419,10 @@ static struct cftype cgroup_base_files[] = {
 		.seq_show = cgroup_max_depth_show,
 		.write = cgroup_max_depth_write,
 	},
+	{
+		.name = "cgroup.stat",
+		.seq_show = cgroup_stats_show,
+	},
 	{ }	/* terminate */
 };