Re: [PATCH 0/6] userfaultfd/pagemap: pre-existing fixes

From: Andrew Morton

Date: Fri May 29 2026 - 20:34:57 EST


On Fri, 29 May 2026 18:23:24 +0100 "Kiryl Shutsemau (Meta)" <kas@xxxxxxxxxx> wrote:

> These are pre-existing bug fixes that were carried at the front of the
> userfaultfd RWP working-set-tracking series up to v5 [1]. Per review
> feedback that fixes should not sit in the middle of a feature series,
> they are split out and sent on their own; the RWP series is reposted
> rebased on top of this.
>
> All six were flagged by the Sashiko AI review of the RWP series and
> carry Reported-by: Sashiko AI review <sashiko-bot@xxxxxxxxxx>. They are
> independent of RWP, apply to mm-new directly, and carry Cc: stable@.

And... this made Sashiko point at other stuff:
https://sashiko.dev/#/patchset/20260529172331.356655-1-kas@xxxxxxxxxx

I can't figure out why four of the scans failed - "View Raw Log" comes up empty.

It's concerning how frequently Sashiko is finding pre-existing things. What
would a full scan of mm/ tell us? Gulp.