Re: [next] arm64: boot failed - next-20220606

[Shakeel Butt]

On Thu, Jun 9, 2022 at 10:27 AM Roman Gushchin <roman.gushchin@xxxxxxxxx> wrote:
>
[...]
> +struct mem_cgroup *mem_cgroup_from_obj(void *p)
> +{
> +       struct folio *folio;
> +
> +       if (mem_cgroup_disabled())
> +               return NULL;
> +
> +       if (unlikely(is_vmalloc_addr(p)))
> +               folio = page_folio(vmalloc_to_page(p));

Do we need to check for NULL from vmalloc_to_page(p)?

> +       else
> +               folio = virt_to_folio(p);
> +
> +       return mem_cgroup_from_obj_folio(folio, p);
> +}