Re: [PATCH 01/14] mm: fix LRU balancing effect of new transparent huge pages

[Shakeel Butt]

On Wed, May 20, 2020 at 4:28 PM Johannes Weiner <hannes@xxxxxxxxxxx> wrote:
>
> Currently, THP are counted as single pages until they are split right
> before being swapped out. However, at that point the VM is already in
> the middle of reclaim, and adjusting the LRU balance then is useless.
>
> Always account THP by the number of basepages, and remove the fixup
> from the splitting path.
>
> Signed-off-by: Johannes Weiner <hannes@xxxxxxxxxxx>
> Reviewed-by: Rik van Riel <riel@xxxxxxxxxx>
> Acked-by: Michal Hocko <mhocko@xxxxxxxx>
> Acked-by: Minchan Kim <minchan@xxxxxxxxxx>

Reviewed-by: Shakeel Butt <shakeelb@xxxxxxxxxx>