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Date:   Tue, 12 Jan 2021 12:38:18 -0800
From:   Randy Dunlap <rdunlap@...radead.org>
To:     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,
        Shakeel Butt <shakeelb@...gle.com>
Subject: Re: mmotm 2021-01-12-01-57 uploaded (NR_SWAPCACHE in mm/)

On 1/12/21 1:58 AM, akpm@...ux-foundation.org wrote:
> The mm-of-the-moment snapshot 2021-01-12-01-57 has been uploaded to
> 
>    https://www.ozlabs.org/~akpm/mmotm/
> 
> mmotm-readme.txt says
> 
> README for mm-of-the-moment:
> 
> https://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 and x86_64:

when CONFIG_SWAP is not set/enabled:

../mm/migrate.c: In function ‘migrate_page_move_mapping’:
../mm/migrate.c:504:35: error: ‘NR_SWAPCACHE’ undeclared (first use in this function); did you mean ‘QC_SPACE’?
    __mod_lruvec_state(old_lruvec, NR_SWAPCACHE, -nr);
                                   ^~~~~~~~~~~~

../mm/memcontrol.c:1529:20: error: ‘NR_SWAPCACHE’ undeclared here (not in a function); did you mean ‘SGP_CACHE’?
  { "swapcached",   NR_SWAPCACHE   },
                    ^~~~~~~~~~~~



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

-- 
~Randy

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