Re: [RFC PATCH 0/3] Cgroup-based THP control

[Michal Hocko]

On Fri 01-11-24 16:24:55, Stepanov Anatoly wrote:
> On 11/1/2024 4:15 PM, Michal Hocko wrote:
> > On Fri 01-11-24 14:54:27, Stepanov Anatoly wrote:
> >> On 11/1/2024 10:35 AM, Michal Hocko wrote:
> >>> On Thu 31-10-24 17:37:12, Stepanov Anatoly wrote:
> >>>> If we consider the inheritance approach (prctl + launcher), it's fine until we need to change
> >>>> THP mode property for several tasks at once, in this case some batch-change approach needed.
> >>>
> >>> I do not follow. How is this any different from a single process? Or do
> >>> you mean to change the mode for an already running process?
> >>>
> >> yes, for already running set of processes
> > 
> 
> > Why is that preferred over setting the policy upfront?
> Setting the policy in advance is fine, as the first step to do.
> But we might not know in advance
> which exact policy is the most beneficial for one set of apps or another.

How do you plan to find that out when the application is running
already?
-- 
Michal Hocko
SUSE Labs