On Fri, Jul 08, 2016 at 10:34:57AM +0100, Mel Gorman wrote: > kswapd is woken when zones are below the low watermark but the wakeup > decision is not taking the classzone into account. Now that reclaim is > node-based, it is only required to wake kswapd once per node and only if > all zones are unbalanced for the requested classzone. > > Note that one node might be checked multiple times if the zonelist is > ordered by node because there is no cheap way of tracking what nodes have > already been visited. For zone-ordering, each node should be checked only > once. > > Signed-off-by: Mel Gorman <mgor...@techsingularity.net> > Acked-by: Vlastimil Babka <vba...@suse.cz>
Acked-by: Johannes Weiner <han...@cmpxchg.org>