https://github.com/torvalds/linux
Revision 0076f029cb2906d32baf3bf4401ef09663071d16 authored by Joonsoo Kim on 26 June 2020, 03:30:37 UTC, committed by Linus Torvalds on 26 June 2020, 07:27:38 UTC
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: 314b57fb0460001 ("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>
1 parent cb68688
History
Tip revision: 0076f029cb2906d32baf3bf4401ef09663071d16 authored by Joonsoo Kim on 26 June 2020, 03:30:37 UTC
mm/memory: fix IO cost for anonymous page
Tip revision: 0076f02
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