Re: [PATCH 0/3] mm/mglru: clean up isolate_folios and scan_folios for readability and clarity

[Lian Wang (ProcessMission)]

From: Lian Wang <lianux.mm@xxxxxxxxx>

Hi Barry,

I went through all three patches. The explicit fallback, exhaustion
reporting, and bounded retry make the control flow much clearer.

In particular, the exhaustion check preserves the early-stop cases and
avoids falling back after only the oldest generation has been drained when
another generation remains reclaimable. The retry is still bounded to one
extra attempt.

No issues from my side.

For the series:

Reviewed-by: Lian Wang <lianux.mm@xxxxxxxxx>

Thanks,
Lian

On Thu, 20 Aug 2026 12:56:00 +0800 "Barry Song (Xiaomi)" <baohua@xxxxxxxxxx> wrote:

> This is a cleanup series split out from the MGLRU swappiness series [1],
> with the cleanup changes separated to make them easier to review.
>
> This patchset makes these behaviors explicit and much easier to follow.
>
> Thanks very much to Baolin and Lian for their previous reviews of the
> original RFC patchset for this part.