On Wed, Mar 30, 2022 at 09:39:42AM +0200, David Hildenbrand wrote: >On 29.03.22 03:09, Wei Yang wrote: >> wakeup_kswapd() only wake up kswapd when the zone is managed. >> >> For two callers of wakeup_kswapd(), they are node perspective. >> >> * wake_all_kswapds >> * numamigrate_isolate_page >> >> If we picked up a !managed zone, this is not we expected. >> >> This patch makes sure we pick up a managed zone for wakeup_kswapd(). And >> it also use managed_zone in migrate_balanced_pgdat() to get the proper >> zone. >> >> Signed-off-by: Wei Yang <richard.weiyang@xxxxxxxxx> >> Cc: Miaohe Lin <linmiaohe@xxxxxxxxxx> >> Cc: David Hildenbrand <david@xxxxxxxxxx> >> Cc: "Huang, Ying" <ying.huang@xxxxxxxxx> >> Cc: Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx> >> Cc: Oscar Salvador <osalvador@xxxxxxx> >> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> > >^ I'm not so sure about that SOB, actually Andrew should add that. But >maybe there is good reason for it that I'm not aware of. > I see Andrew has added this for v1. Maybe I should remove this since v2 has some minor adjustment to v1. :-) > >Reviewed-by: David Hildenbrand <david@xxxxxxxxxx> > >-- >Thanks, > >David / dhildenb -- Wei Yang Help you, Help me
