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SubjectRe: [RESEND v3] cgroup: add cgroup_favordynmods= command-line option
On Wed, Sep 27, 2023 at 02:25:40PM +0000, Luiz Capitulino <luizcap@amazon.com> 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 <luizcap@amazon.com>
> ---
> .../admin-guide/kernel-parameters.txt | 4 ++++
> kernel/cgroup/cgroup.c | 18 ++++++++++++++----
> 2 files changed, 18 insertions(+), 4 deletions(-)

(resend too)
Reviewed-by: Michal Koutný <mkoutny@suse.com>

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