Re: [PATCH] mm: mark folio as workingset in lru_deactivate_fn

From: Zhaoyang Huang
Date: Wed Mar 29 2023 - 21:39:17 EST


On Wed, Mar 29, 2023 at 10:55 PM Johannes Weiner <hannes@xxxxxxxxxxx> wrote:
>
> On Wed, Mar 29, 2023 at 06:47:35PM +0800, zhaoyang.huang wrote:
> > From: Zhaoyang Huang <zhaoyang.huang@xxxxxxxxxx>
> >
> > folio will skip of being set as workingset in lru_deactivate_fn.
>
> Can you please elaborate why that's undesirable? What's the problem
> you're fixing?
If I am correct, folio will skip being set as workingset when moving
from active lru to inactive lru, which is performed on every folio in
shrink_active_list during normal reclaim.