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

On Thu, Jun 9, 2022 at 10:27 AM Roman Gushchin roman.gushchin@linux.dev 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);
  

+}