On Thu, Apr 1, 2021 at 11:35 AM Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx> wrote: > > > From: Yang Shi <yang.shi@xxxxxxxxxxxxxxxxx> > > Account the number of demoted pages into reclaim_state->nr_demoted. > > Add pgdemote_kswapd and pgdemote_direct VM counters showed in > /proc/vmstat. > > [ daveh: > - __count_vm_events() a bit, and made them look at the THP > size directly rather than getting data from migrate_pages() > ] > > Signed-off-by: Yang Shi <yang.shi@xxxxxxxxxxxxxxxxx> > Signed-off-by: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx> > Reviewed-by: Yang Shi <shy828301@xxxxxxxxx> > Cc: Wei Xu <weixugc@xxxxxxxxxx> > Cc: David Rientjes <rientjes@xxxxxxxxxx> > Cc: Huang Ying <ying.huang@xxxxxxxxx> > Cc: Dan Williams <dan.j.williams@xxxxxxxxx> > Cc: David Hildenbrand <david@xxxxxxxxxx> > Cc: osalvador <osalvador@xxxxxxx> These counters can be more useful if they are per-node. Reviewed-by: Wei Xu <weixugc@xxxxxxxxxx>
