--- zzzz-none-000/linux-4.4.60/kernel/sysctl.c	2017-04-08 07:53:53.000000000 +0000
+++ hawkeye-5590-729/linux-4.4.60/kernel/sysctl.c	2022-03-30 14:21:53.000000000 +0000
@@ -1392,6 +1392,16 @@
 		.proc_handler	= min_free_kbytes_sysctl_handler,
 		.extra1		= &zero,
 	},
+#ifndef CONFIG_NUMA
+	{
+		.procname	= "min_max_free_kbytes",
+		.data		= &min_max_free_kbytes,
+		.maxlen		= sizeof(min_max_free_kbytes),
+		.mode		= 0644,
+		.proc_handler	= min_max_free_kbytes_sysctl_handler,
+		.extra1		= &zero,
+	},
+#endif /* !CONFIG_NUMA */
 	{
 		.procname	= "percpu_pagelist_fraction",
 		.data		= &percpu_pagelist_fraction,