Re: [PATCH 5.15.y 0/8] Backport patches for DAMON merge regions fix

Greg KH
2024-07-23T12:16:01Z

On Tue, Jul 16, 2024 at 11:33:25AM -0700, SeongJae Park wrote:
> Commit 310d6c15e910 ("mm/damon/core: merge regions aggressively when
> max_nr_regions") causes a build warning and a build failure [1] on
> 5.15.y. Those are due to
> 1) unnecessarily strict type check from max(), and
> 2) use of not-yet-introduced damon_ctx->attrs field, respectively.
>
> Fix the warning by backporting a minmax.h upstream commit that made the
> type check less strict for unnecessary case, and upstream commits that
> it depends on.
>
> Note that all patches except the fourth one ("minmax: fix header
> inclusions") are clean cherry-picks of upstream commit. For the fourth
> one, minor conflict resolving was needed.
>
> Also, the last patch, which is the backport of the DAMON fix, was
> cleanly cherry-picked, but added manual fix for the build failure.
>
> [1] https://lore.kernel.org/2024071532-pebble-jailhouse-48b2@gregkh

All now queued up, again, thank you for the minmax backports, much
appreciated.

greg k-h