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Joonsoo Kim authored
With synchronous IO swap device, swap-in is directly handled in fault code. Since IO cost notation isn't added there, with synchronous IO swap device, LRU balancing could be wrongly biased. Fix it to count it in fault code. Link: http://lkml.kernel.org/r/1592288204-27734-4-git-send-email-iamjoonsoo.kim@lge.com Fixes: 314b57fb ("mm: balance LRU lists based on relative thrashing cache sizing") Signed-off-by:
Joonsoo Kim <iamjoonsoo.kim@lge.com> Acked-by:
Johannes Weiner <hannes@cmpxchg.org> Cc: Joonsoo Kim <js1304@gmail.com> Cc: Michal Hocko <mhocko@suse.com> Cc: Minchan Kim <minchan.kim@gmail.com> 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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