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SubjectRe: [PATCH v10 08/14] mm: multi-gen LRU: support page table walks
On Mon, Apr 11, 2022 at 07:16:21PM -0700, Andrew Morton wrote:
> On Wed, 6 Apr 2022 21:15:20 -0600 Yu Zhao <yuzhao@google.com> wrote:

> > +#ifdef CONFIG_LRU_GEN
> > +static void mem_cgroup_attach(struct cgroup_taskset *tset)
> > +{
> > + struct cgroup_subsys_state *css;
> > + struct task_struct *task = NULL;
> > +
> > + cgroup_taskset_for_each_leader(task, css, tset)
> > + break;
>
> Does this actually do anything?

Yeah, it finds the first leader if there is any, but this is indeed
quite terrible coding style.

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