linux-kernel - Re: [PATCH 6.1.y 0/7] Backport patches for DAMON merge regions fix

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Message-ID: <2024072352-override-creasing-a0aa@gregkh>
Date: Tue, 23 Jul 2024 14:10:33 +0200
From: Greg KH <gregkh@...uxfoundation.org>
To: SeongJae Park <sj@...nel.org>
Cc: stable@...r.kernel.org, Andrew Morton <akpm@...ux-foundation.org>,
	damon@...ts.linux.dev, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 6.1.y 0/7] Backport patches for DAMON merge regions fix

On Tue, Jul 16, 2024 at 08:23:46PM +0200, Greg KH wrote:
> On Tue, Jul 16, 2024 at 10:51:58AM -0700, SeongJae Park wrote:
> > Commit 310d6c15e910 ("mm/damon/core: merge regions aggressively when
> > max_nr_regions") causes a build warning [1] on 6.1.y.  That was due to
> > unnecessarily strict type check from max().
> > 
> > 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 third one ("minmax: fix header
> > inclusions") are clean cherry-picks of upstream commit.  For the third
> > one, a minor conflict fix was needed.
> > 
> > [1] https://lore.kernel.org/2024071519-janitor-robe-779f@gregkh
> 
> Thanks for these, I'll queue them up after this round of -rc releases go
> out in a few days.

All now queued up, MANY thanks for this, it fixed a different build
error that just got added to the 6.1 queue yesterday, as this problem
kept happening over and over due to backports breaking in different
ways.

greg k-h