PG_PMD_COLOUR
unmap_mapping_pages(mapping, index & ~PG_PMD_COLOUR,
index &= ~PG_PMD_COLOUR;
if ((vmf->pgoff & PG_PMD_COLOUR) !=
((vmf->address >> PAGE_SHIFT) & PG_PMD_COLOUR))
if ((xas->xa_index | PG_PMD_COLOUR) >= max_pgoff)
xas->xa_index & ~PG_PMD_COLOUR,