On 06/16/2019 08:05 AM, Wei Yang wrote: > section_to_node_table[] is used to record section's node id, which is > used in page_to_nid(). While for hot-add memory, this is missed. Used for NODE_NOT_IN_PAGE_FLAGS case and it is missed for hot-added memory. > > BTW, current online_pages works because it leverages nid in memory_block. It does. > But the granularity of node id should be mem_section wide. Right. > > Signed-off-by: Wei Yang <richardw.yang@xxxxxxxxxxxxxxx> Reviewed-by: Anshuman Khandual <anshuman.khandual@xxxxxxx>
