Re: [PATCH] cgroup/cpuset: skip hardwall ancestor scan in v2 mode in cpuset_current_node_allowed()

[Wandun]

On 5/8/26 23:51, Tejun Heo wrote:
> Hello,
>
> is_in_v2_mode() is also true for v1 mounted with cpuset_v2_mode, where
> cpuset.mem_exclusive / cpuset.mem_hardwall are still settable. Would
> that be a problem here? cpuset_v2() looks like a tighter fit.
You're right, it is a problem.

Under v1 + cpuset_v2_mode, CS_MEM_HARDWALL/CS_MEM_EXCLUSIVE can be set
on non-root cpuset cgroup, so can't directly return true;

I will fix it in v2.

Best regards,
Wandun
> Thanks.
>
> --
> tejun