--- zzzz-none-000/linux-4.4.271/kernel/sysctl.c 2021-06-03 06:22:09.000000000 +0000 +++ hawkeye-5590-750/linux-4.4.271/kernel/sysctl.c 2023-04-19 10:22:30.000000000 +0000 @@ -1398,6 +1398,16 @@ .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,