linux-kernel - Re: mmotm 2020-06-25-20-36 uploaded (mm/memory-failure.c)

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Message-Id: <20200626204148.6c8c3c359e8baa310ecb744f@linux-foundation.org>
Date:   Fri, 26 Jun 2020 20:41:48 -0700
From:   Andrew Morton <akpm@...ux-foundation.org>
To:     Randy Dunlap <rdunlap@...radead.org>
Cc:     broonie@...nel.org, mhocko@...e.cz, sfr@...b.auug.org.au,
        linux-next@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        mm-commits@...r.kernel.org, Oscar Salvador <osalvador@...e.de>,
        Joonsoo Kim <iamjoonsoo.kim@....com>
Subject: Re: mmotm 2020-06-25-20-36 uploaded (mm/memory-failure.c)

On Fri, 26 Jun 2020 15:09:08 -0700 Randy Dunlap <rdunlap@...radead.org> wrote:

> On 6/25/20 8:37 PM, akpm@...ux-foundation.org wrote:
> > The mm-of-the-moment snapshot 2020-06-25-20-36 has been uploaded to
> > 
> >    http://www.ozlabs.org/~akpm/mmotm/
> > 
> > mmotm-readme.txt says
> > 
> > README for mm-of-the-moment:
> > 
> > http://www.ozlabs.org/~akpm/mmotm/
> > 
> > This is a snapshot of my -mm patch queue.  Uploaded at random hopefully
> > more than once a week.
> > 
> > You will need quilt to apply these patches to the latest Linus release (5.x
> > or 5.x-rcY).  The series file is in broken-out.tar.gz and is duplicated in
> > http://ozlabs.org/~akpm/mmotm/series
> > 
> 
> when CONFIG_MIGRATION is not set/enabled:
> 
> ../mm/memory-failure.c: In function ‘new_page’:
> ../mm/memory-failure.c:1692:9: error: implicit declaration of function ‘alloc_migration_target’; did you mean ‘alloc_migrate_target’? [-Werror=implicit-function-declaration]
>   return alloc_migration_target(p, (unsigned long)&mtc);
>          ^~~~~~~~~~~~~~~~~~~~~~
>          alloc_migrate_target
> ../mm/memory-failure.c:1692:9: warning: return makes pointer from integer without a cast [-Wint-conversion]
>   return alloc_migration_target(p, (unsigned long)&mtc);
>          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Thanks.

Appears to be due to Joonsoo Kim's "mm/migrate: make a standard
migration target allocation function".