From be22644b6728fe76972f8afae209acf662ed1c98 Mon Sep 17 00:00:00 2001 From: coolsnowwolf Date: Wed, 29 Jan 2025 23:20:12 +0800 Subject: [PATCH] kernel: add option to disable legacy cgroup v1 --- config/Config-kernel.in | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/config/Config-kernel.in b/config/Config-kernel.in index 91678cf2a..7378cd724 100644 --- a/config/Config-kernel.in +++ b/config/Config-kernel.in @@ -861,6 +861,17 @@ if KERNEL_CGROUPS Memory Nodes and assigning tasks to run only within those sets. This is primarily useful on large SMP or NUMA systems. + config KERNEL_CPUSETS_V1 + bool "Legacy cgroup v1 cpusets controller" + depends on KERNEL_CPUSETS + default n + help + Legacy cgroup v1 cpusets controller which has been deprecated by + cgroup v2 implementation. The v1 is there for legacy applications + which haven't migrated to the new cgroup v2 interface yet. If you + do not have any such application then you are completely fine leaving + this option disabled. + config KERNEL_PROC_PID_CPUSET bool "Include legacy /proc//cpuset file" depends on KERNEL_CPUSETS @@ -953,6 +964,21 @@ if KERNEL_CGROUPS the kmem extension can use it to guarantee that no group of processes will ever exhaust kernel resources alone. + config KERNEL_MEMCG_V1 + bool "Legacy cgroup v1 memory controller" + default n + depends on KERNEL_MEMCG + help + Legacy cgroup v1 memory controller which has been deprecated by + cgroup v2 implementation. The v1 is there for legacy applications + which haven't migrated to the new cgroup v2 interface yet. If you + do not have any such application then you are completely fine leaving + this option disabled. + + Please note that feature set of the legacy memory controller is likely + going to shrink due to deprecation process. New deployments with v1 + controller are highly discouraged. + config KERNEL_CGROUP_PERF bool "Enable perf_event per-cpu per-container group (cgroup) monitoring" select KERNEL_PERF_EVENTS