mm, vmscan: make shrink_node decisions more node-centric
Earlier patches focused on having direct reclaim and kswapd use data that is node-centric for reclaiming but shrink_node() itself still uses too much zone information. This patch removes unnecessary zone-based information with the most important decision being whether to continue reclaim or not. Some memcg APIs are adjusted as a result even though memcg itself still uses some zone information. [mgorman@techsingularity.net: optimization] Link: http://lkml.kernel.org/r/1468588165-12461-2-git-send-email-mgorman@techsingularity.net Link: http://lkml.kernel.org/r/1467970510-21195-14-git-send-email-mgorman@techsingularity.net Signed-off-by:Mel Gorman <mgorman@techsingularity.net> Acked-by:
Michal Hocko <mhocko@suse.com> Acked-by:
Vlastimil Babka <vbabka@suse.cz> Cc: Hillf Danton <hillf.zj@alibaba-inc.com> Acked-by:
Johannes Weiner <hannes@cmpxchg.org> Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com> Cc: Minchan Kim <minchan@kernel.org> Cc: Rik van Riel <riel@surriel.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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- include/linux/memcontrol.h 10 additions, 9 deletionsinclude/linux/memcontrol.h
- include/linux/mmzone.h 2 additions, 2 deletionsinclude/linux/mmzone.h
- include/linux/swap.h 1 addition, 1 deletioninclude/linux/swap.h
- mm/memcontrol.c 2 additions, 2 deletionsmm/memcontrol.c
- mm/page_alloc.c 1 addition, 1 deletionmm/page_alloc.c
- mm/vmscan.c 35 additions, 26 deletionsmm/vmscan.c
- mm/workingset.c 3 additions, 3 deletionsmm/workingset.c
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