Messages in this thread | | | Date | Mon, 27 Mar 2023 22:40:37 +0200 | From | Michal Hocko <> | Subject | Re: [RFC] memcg v1: provide read access to memory.pressure_level |
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On Mon 27-03-23 14:59:37, Florian Schmidt wrote: > Hi Michal, > > On 24/03/2023 15:03, Michal Koutný wrote: > > On Wed, Mar 22, 2023 at 02:25:25PM +0000, Florian Schmidt <flosch@nutanix.com> wrote: [...] > > > (b) would you be interested to take this patch, or is it too niche a fix > > > for a legacy subsystem? > > > > I'd rather not extend this "unique way" with additionally unique dummy > > helpers. > > I understand that this is all code that has no modern user any more, which > is why I tried to keep the fix as self-contained as possible. > Another option would be to have a special handler in cgroup_file_mode(), but > that feels a lot klunkier to me, and leaks a v1-specific behaviour into the > shared cgroup code.
Yes, this is effectivelly a deprecated interface but I do agree that we shouldn't really make life of users more complicated than necessary. If the simplest solution to address this is to provide an empty callback then be it. I am not sure but I do not think there are other cgroup interfaces to warrant a more generic solution.
-- Michal Hocko SUSE Labs
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