On Mon, Jun 17, 2019 at 09:53:05AM +0530, Anshuman Khandual wrote: >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> Thanks -- Wei Yang Help you, Help me
