RMAP_NESTED_IS_SINGLE_ENTRY
(*(rmapp) = ((RMAP_NESTED_IS_SINGLE_ENTRY & ((u64) (node))) ? \
(((node) = ((RMAP_NESTED_IS_SINGLE_ENTRY & ((u64) (node))) ? \
*rmapp = new_rmap | RMAP_NESTED_IS_SINGLE_ENTRY;
if (rmap & RMAP_NESTED_IS_SINGLE_ENTRY) /* Not previously a list */
if (rmap & RMAP_NESTED_IS_SINGLE_ENTRY) /* Not previously a list */