Re: [PATCH v4 4/8] mm/swapcache: support to handle the exceptional entries in swapcache

[Johannes Weiner]

On Mon, Mar 23, 2020 at 02:52:08PM +0900, js1304@xxxxxxxxx wrote:
> From: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>
> 
> Swapcache doesn't handle the exceptional entries since there is no case
> using it. In the following patch, workingset detection for anonymous
> page will be implemented and it stores the shadow entries as exceptional
> entries into the swapcache. So, we need to handle the exceptional entries
> and this patch implements it.
> 
> Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>

Acked-by: Johannes Weiner <hannes@xxxxxxxxxxx>