MMF_VM_HUGEPAGE 28 include/linux/khugepaged.h if (test_bit(MMF_VM_HUGEPAGE, &oldmm->flags)) MMF_VM_HUGEPAGE 35 include/linux/khugepaged.h if (test_bit(MMF_VM_HUGEPAGE, &mm->flags)) MMF_VM_HUGEPAGE 42 include/linux/khugepaged.h if (!test_bit(MMF_VM_HUGEPAGE, &vma->vm_mm->flags))