PTE_MARKER_GUARD
return softleaf_to_marker(entry) & PTE_MARKER_GUARD;
pte_marker dstm = srcm & (PTE_MARKER_POISONED | PTE_MARKER_GUARD);
return make_pte_marker_entry(PTE_MARKER_GUARD);
} else if (WARN_ON_ONCE(marker & PTE_MARKER_GUARD)) {
*ptep = make_pte_marker(PTE_MARKER_GUARD);
if (marker & PTE_MARKER_GUARD)