mem_cgroup_swap_full
extern bool mem_cgroup_swap_full(struct folio *folio);
if (mem_cgroup_swap_full(folio) || (vma->vm_flags & VM_LOCKED) ||
((flags & TTRS_FULL) && mem_cgroup_swap_full(folio)));
(mem_cgroup_swap_full(folio) || folio_test_mlocked(folio)))