How to enable HugeTLB controller in cgroup v2 on Ubuntu

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linux ubuntu linux-kernel cgroups huge-pages

                          I am trying to enable HugeTLB  Controller on cgroup v2 on my system but can't figure out  how.

This is the list of controllers on my system:

    cat /sys/fs/cgroup/cgroup.controllers 
    cpuset cpu io memory pids rdma

And this is what I see for the meminfo on my system: 

    cat /proc/meminfo | grep Huge
    AnonHugePages:         0 kB
    ShmemHugePages:        0 kB
    FileHugePages:         0 kB
    HugePages_Total:       0
    HugePages_Free:        0
    HugePages_Rsvd:        0
    HugePages_Surp:        0
    Hugepagesize:       2048 kB
    Hugetlb:               0 kB


Am I missing something to enable the HugeTLB controller on cgroup v2? Is there a kernel flag, or some other setting that I need to enable?
                        

Asked by Harshdeep Gupta (21 rep)

Oct 13, 2022, 10:37 PM
Last activity: Jun 9, 2023, 02:54 PM

How to enable HugeTLB controller in cgroup v2 on Ubuntu

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