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