Re: [PATCH v4] mm: oom: introduce cpuset oom

[Michal Koutný]

On Tue, Apr 11, 2023 at 03:12:34PM +0200, Michal Hocko <mhocko@xxxxxxxx> wrote:
> > Oh I see, you mean scanning all processes in all cpusets and scanning
> > all processes globally are equivalent.
> 
> Why cannot you simple select a process from the cpuset the allocating
> process belongs to? I thought the whole idea was to handle well
> partitioned workloads.

Ah, I was confused by the top_cpuset implementation.

The iteration should then start in
	nearest_hardwall_ancestor(task_cs(current)).
(in the 1st approximation).

The nodes_intersect/nodes_subset/nodes_equal/whatnot heuristics is
secondary.

HTH,
Michal

Attachment: signature.asc
Description: PGP signature