diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index 3619389..5703ba7 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -224,6 +224,19 @@
 static int cgroup_addrm_files(struct cgroup *cgrp, struct cftype cfts[],
 			      bool is_add);
 
+/**
+ * cgroup_ssid_enabled - cgroup subsys enabled test by subsys ID
+ * @ssid: subsys ID of interest
+ *
+ * cgroup_subsys_enabled() can only be used with literal subsys names which
+ * is fine for individual subsystems but unsuitable for cgroup core.  This
+ * is slower static_key_enabled() based test indexed by @ssid.
+ */
+static bool cgroup_ssid_enabled(int ssid)
+{
+	return static_key_enabled(cgroup_subsys_enabled_key[ssid]);
+}
+
 /* IDR wrappers which synchronize using cgroup_idr_lock */
 static int cgroup_idr_alloc(struct idr *idr, void *ptr, int start, int end,
 			    gfp_t gfp_mask)
@@ -1482,7 +1495,7 @@
 		for_each_subsys(ss, i) {
 			if (strcmp(token, ss->legacy_name))
 				continue;
-			if (ss->disabled)
+			if (!cgroup_ssid_enabled(i))
 				continue;
 
 			/* Mutually exclusive option 'all' + subsystem name */
@@ -1513,7 +1526,7 @@
 	 */
 	if (all_ss || (!one_ss && !opts->none && !opts->name))
 		for_each_subsys(ss, i)
-			if (!ss->disabled)
+			if (cgroup_ssid_enabled(i))
 				opts->subsys_mask |= (1 << i);
 
 	/*
@@ -2762,7 +2775,8 @@
 		if (tok[0] == '\0')
 			continue;
 		for_each_subsys_which(ss, ssid, &tmp_ss_mask) {
-			if (ss->disabled || strcmp(tok + 1, ss->name))
+			if (!cgroup_ssid_enabled(ssid) ||
+			    strcmp(tok + 1, ss->name))
 				continue;
 
 			if (*tok == '+') {
@@ -3320,7 +3334,7 @@
 {
 	int ret;
 
-	if (ss->disabled)
+	if (!cgroup_ssid_enabled(ss->id))
 		return 0;
 
 	if (!cfts || cfts[0].name[0] == '\0')
@@ -5082,7 +5096,7 @@
 		 * disabled flag and cftype registration needs kmalloc,
 		 * both of which aren't available during early_init.
 		 */
-		if (ss->disabled)
+		if (!cgroup_ssid_enabled(ssid))
 			continue;
 
 		cgrp_dfl_root.subsys_mask |= 1 << ss->id;
@@ -5217,7 +5231,8 @@
 	for_each_subsys(ss, i)
 		seq_printf(m, "%s\t%d\t%d\t%d\n",
 			   ss->legacy_name, ss->root->hierarchy_id,
-			   atomic_read(&ss->root->nr_cgrps), !ss->disabled);
+			   atomic_read(&ss->root->nr_cgrps),
+			   cgroup_ssid_enabled(i));
 
 	mutex_unlock(&cgroup_mutex);
 	return 0;
@@ -5508,7 +5523,6 @@
 				continue;
 
 			static_branch_disable(cgroup_subsys_enabled_key[i]);
-			ss->disabled = 1;
 			printk(KERN_INFO "Disabling %s control group subsystem\n",
 			       ss->name);
 			break;