Re: [PATCH v2] Docs/mm/damon/design: remove the details for pageout as paddr doesn't use MADV_PAGEOUT

From: SeongJae Park
Date: Sat Feb 24 2024 - 18:06:34 EST


Hi Barry,

On Sun, 25 Feb 2024 11:47:51 +1300 Barry Song <21cnbao@xxxxxxxxx> wrote:

> From: Barry Song <v-songbaohua@xxxxxxxx>
>
> The doc needs fix. As only in the case of virtual address, we
> are calling madvise() with MADV_PAGEOUT. But in the case of
> physical address, we are calling reclaim_pages() directly.
> MADV_PAGEOUT on virtual address is much more aggresive to
> reclaim memory compared to reclaim_pages() on paddr region.
> This patch removes the details so that the description can
> apply to both cases. And we don't need to couple with the
> implementation details.
>
> Cc: SeongJae Park <sj@xxxxxxxxxx>
> Cc: Minchan Kim <minchan@xxxxxxxxxx>
> Cc: Michal Hocko <mhocko@xxxxxxxx>
> Cc: Johannes Weiner <hannes@xxxxxxxxxxx>
> Signed-off-by: Barry Song <v-songbaohua@xxxxxxxx>
> ---
> -v2: decouple with the details according to SeongJae
> -v1: https://lore.kernel.org/linux-mm/20240224215023.5271-1-21cnbao@xxxxxxxxx/

Thank you so much for your work!

Reviewed-by: SeongJae Park <sj@xxxxxxxxxx>


Thanks,
SJ

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