linux-kernel - Re: mmotm 2020-07-08-19-28 uploaded (mm/migrate.c)

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Message-ID: <11c5e928-1227-286d-ef7d-6d6e554747db@infradead.org>
Date:   Wed, 8 Jul 2020 20:47:54 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Andrew Morton <akpm@...ux-foundation.org>, broonie@...nel.org,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org, linux-next@...r.kernel.org, mhocko@...e.cz,
        mm-commits@...r.kernel.org, sfr@...b.auug.org.au,
        Anshuman Khandual <anshuman.khandual@....com>
Subject: Re: mmotm 2020-07-08-19-28 uploaded (mm/migrate.c)

On 7/8/20 7:29 PM, Andrew Morton wrote:
> The mm-of-the-moment snapshot 2020-07-08-19-28 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.
> 

on i386:

CONFIG_MIGRATION=y
# CONFIG_TRANSPARENT_HUGEPAGE is not set

../mm/migrate.c: In function ‘migrate_pages’:
../mm/migrate.c:1528:19: error: ‘THP_MIGRATION_SUCCESS’ undeclared (first use in this function); did you mean ‘PGMIGRATE_SUCCESS’?
   count_vm_events(THP_MIGRATION_SUCCESS, nr_thp_succeeded);
                   ^~~~~~~~~~~~~~~~~~~~~
                   PGMIGRATE_SUCCESS
../mm/migrate.c:1528:19: note: each undeclared identifier is reported only once for each function it appears in
../mm/migrate.c:1530:19: error: ‘THP_MIGRATION_FAILURE’ undeclared (first use in this function); did you mean ‘THP_MIGRATION_SUCCESS’?
   count_vm_events(THP_MIGRATION_FAILURE, nr_thp_failed);
                   ^~~~~~~~~~~~~~~~~~~~~
                   THP_MIGRATION_SUCCESS
../mm/migrate.c:1532:19: error: ‘THP_MIGRATION_SPLIT’ undeclared (first use in this function); did you mean ‘THP_MIGRATION_FAILURE’?
   count_vm_events(THP_MIGRATION_SPLIT, nr_thp_split);
                   ^~~~~~~~~~~~~~~~~~~
                   THP_MIGRATION_FAILURE


from: mm-vmstat-add-events-for-thp-migration-without-split.patch


-- 
~Randy
Reported-by: Randy Dunlap <rdunlap@...radead.org>