TVA_KHUGEPAGED
enum tva_type type = cc->is_khugepaged ? TVA_KHUGEPAGED :
enum tva_type tva_flags = cc->is_khugepaged ? TVA_KHUGEPAGED : TVA_FORCED_COLLAPSE;
if (!collapse_possible(vma, vma->vm_flags, TVA_KHUGEPAGED)) {
if ((tva_flags == TVA_KHUGEPAGED) && vma_is_anonymous(vma))
&& collapse_possible(vma, vm_flags, TVA_KHUGEPAGED))