DAX_PMD
return !(xa_to_value(entry) & DAX_PMD);
DAX_PMD | DAX_ZERO_PAGE);
unsigned long entry_flags = pmd ? DAX_PMD : 0;
flags |= DAX_PMD;
if (xa_to_value(entry) & DAX_PMD)
return xa_to_value(entry) & DAX_PMD;