Re: [PATCH] mm: memcontrol: add the mempolicy interface for cgroup v2.

[Michal Hocko]

On Tue 24-05-22 18:36:38, hezhongkun wrote:
> From: Hezhongkun <hezhongkun.hzk@xxxxxxxxxxxxx>
> 
> Mempolicy is difficult to use because it is set in-process
> via a system call. We want to make it easier to use mempolicy
> in cgroups, so that we can control low-priority cgroups to
> allocate memory in specified nodes. So this patch want to
> adds the mempolicy interface.
> 
> the mempolicy priority of memcgroup is higher than the priority
> of task. The order of getting the policy is,
> memcgroup->policy,task->policy or vma policy, default policy.
> memcgroup's policy is owned by itself, so descendants will
> not inherit it.

Why cannot you use cpuset cgroup?
-- 
Michal Hocko
SUSE Labs