xa_mk_internal
return xa_mk_internal(VM_FAULT_OOM);
return xa_mk_internal(VM_FAULT_SIGBUS);
return xa_mk_internal(VM_FAULT_FALLBACK);
return xa_mk_internal(offset);
#define XA_RETRY_ENTRY xa_mk_internal(256)
#define XA_ZERO_ENTRY xa_mk_internal(257)
entry >= xa_mk_internal(-MAX_ERRNO));