For those who want to have the feature enabled by default should
select this option (if, for some reason, they need to disable it
then swapaccount=0 does the trick).
-config MEMCG_KMEM
- bool "Memory Resource Controller Kernel Memory accounting"
- depends on MEMCG
- depends on SLUB || SLAB
- help
- The Kernel Memory extension for Memory Resource Controller can limit
- the amount of memory used by kernel objects in the system. Those are
- fundamentally different from the entities handled by the standard
- Memory Controller, which are page-based, and can be swapped. Users of
- the kmem extension can use it to guarantee that no group of processes
- will ever exhaust kernel resources alone.
config BLK_CGROUP
bool "IO controller"
Provides a way to freeze and unfreeze all tasks in a
cgroup.
+ This option affects the ORIGINAL cgroup interface. The cgroup2 memory
+ controller includes important in-kernel memory consumers per default.
+
+ If you're using cgroup2, say N.
+
config CGROUP_HUGETLB
bool "HugeTLB controller"
depends on HUGETLB_PAGE
to provide different user info for different servers.
When user namespaces are enabled in the kernel it is
- recommended that the MEMCG and MEMCG_KMEM options also be
- enabled and that user-space use the memory control groups to
- limit the amount of memory a memory unprivileged users can
- use.
+ recommended that the MEMCG option also be enabled and that
+ user-space use the memory control groups to limit the amount
+ of memory a memory unprivileged users can use.
If unsure, say N.