MMF_HAS_PINNED
if (likely(!mm_flags_test(MMF_HAS_PINNED, vma->vm_mm)))
if (!mm_flags_test(MMF_HAS_PINNED, vma->vm_mm))
if (!mm_flags_test(MMF_HAS_PINNED, mm))
mm_flags_set(MMF_HAS_PINNED, mm);