On Tue, Sep 26, 2023 at 09:16:17PM +0000, Luiz Capitulino <[email protected]> wrote:
> We have a need of using favordynmods with cgroup v1, which doesn't support
> changing mount flags during remount. Enabling CONFIG_CGROUP_FAVOR_DYNMODS at
> build-time is not an option because we want to be able to selectively
> enable it for certain systems.
>
> This commit addresses this by introducing the cgroup_favordynmods=
> command-line option. This option works for both cgroup v1 and v2 and also
> allows for disabling favorynmods when the kernel built with
> CONFIG_CGROUP_FAVOR_DYNMODS=y.
>
> Also, note that when cgroup_favordynmods=true favordynmods is never
> disabled in cgroup_destroy_root().
>
> Signed-off-by: Luiz Capitulino <[email protected]>
> ---
> .../admin-guide/kernel-parameters.txt | 4 ++++
> kernel/cgroup/cgroup.c | 18 ++++++++++++++----
> 2 files changed, 18 insertions(+), 4 deletions(-)
Thanks,
Reviewed-by: Michal Koutn? <[email protected]>