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Date:   Thu, 24 Dec 2020 11:11:47 +0800
From:   Muchun Song <songmuchun@...edance.com>
To:     Randy Dunlap <rdunlap@...radead.org>
Cc:     Andrew Morton <akpm@...ux-foundation.org>, broonie@...nel.org,
        linux-fsdevel <linux-fsdevel@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Linux Memory Management List <linux-mm@...ck.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>,
        mhocko@...e.cz, mm-commits@...r.kernel.org,
        Stephen Rothwell <sfr@...b.auug.org.au>
Subject: Re: [External] Re: mmotm 2020-12-23-16-15 uploaded (mm/vmstat.c)

On Thu, Dec 24, 2020 at 10:57 AM Randy Dunlap <rdunlap@...radead.org> wrote:
>
> On 12/23/20 4:16 PM, akpm@...ux-foundation.org wrote:
> > The mm-of-the-moment snapshot 2020-12-23-16-15 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.
> >
> > 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
> > https://ozlabs.org/~akpm/mmotm/series
> >
> > The file broken-out.tar.gz contains two datestamp files: .DATE and
> > .DATE-yyyy-mm-dd-hh-mm-ss.  Both contain the string yyyy-mm-dd-hh-mm-ss,
> > followed by the base kernel version against which this patch series is to
> > be applied.
>
> on i386 or UML on i386 or x86_64:
> (and probably on x86_64, but my builds haven't got there yet)
>
> when CONFIG_TRANSPARENT_HUGEPAGE is not set/enabled:

Very thanks for your information. I will fix this in the next version. Thanks.

>
> ../mm/vmstat.c: In function ‘zoneinfo_show_print’:
> ./../include/linux/compiler_types.h:320:38: error: call to ‘__compiletime_assert_269’ declared with attribute error: BUILD_BUG failed
>   _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
>                                       ^
> ./../include/linux/compiler_types.h:301:4: note: in definition of macro ‘__compiletime_assert’
>     prefix ## suffix();    \
>     ^~~~~~
> ./../include/linux/compiler_types.h:320:2: note: in expansion of macro ‘_compiletime_assert’
>   _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
>   ^~~~~~~~~~~~~~~~~~~
> ../include/linux/build_bug.h:39:37: note: in expansion of macro ‘compiletime_assert’
>  #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
>                                      ^~~~~~~~~~~~~~~~~~
> ../include/linux/build_bug.h:59:21: note: in expansion of macro ‘BUILD_BUG_ON_MSG’
>  #define BUILD_BUG() BUILD_BUG_ON_MSG(1, "BUILD_BUG failed")
>                      ^~~~~~~~~~~~~~~~
> ../include/linux/huge_mm.h:325:28: note: in expansion of macro ‘BUILD_BUG’
>  #define HPAGE_PMD_SHIFT ({ BUILD_BUG(); 0; })
>                             ^~~~~~~~~
> ../include/linux/huge_mm.h:106:26: note: in expansion of macro ‘HPAGE_PMD_SHIFT’
>  #define HPAGE_PMD_ORDER (HPAGE_PMD_SHIFT-PAGE_SHIFT)
>                           ^~~~~~~~~~~~~~~
> ../include/linux/huge_mm.h:107:26: note: in expansion of macro ‘HPAGE_PMD_ORDER’
>  #define HPAGE_PMD_NR (1<<HPAGE_PMD_ORDER)
>                           ^~~~~~~~~~~~~~~
> ../mm/vmstat.c:1630:14: note: in expansion of macro ‘HPAGE_PMD_NR’
>      pages /= HPAGE_PMD_NR;
>               ^~~~~~~~~~~~
> ../mm/vmstat.c: In function ‘vmstat_start’:
> ./../include/linux/compiler_types.h:320:38: error: call to ‘__compiletime_assert_271’ declared with attribute error: BUILD_BUG failed
>   _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
>                                       ^
> ./../include/linux/compiler_types.h:301:4: note: in definition of macro ‘__compiletime_assert’
>     prefix ## suffix();    \
>     ^~~~~~
> ./../include/linux/compiler_types.h:320:2: note: in expansion of macro ‘_compiletime_assert’
>   _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
>   ^~~~~~~~~~~~~~~~~~~
> ../include/linux/build_bug.h:39:37: note: in expansion of macro ‘compiletime_assert’
>  #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
>                                      ^~~~~~~~~~~~~~~~~~
> ../include/linux/build_bug.h:59:21: note: in expansion of macro ‘BUILD_BUG_ON_MSG’
>  #define BUILD_BUG() BUILD_BUG_ON_MSG(1, "BUILD_BUG failed")
>                      ^~~~~~~~~~~~~~~~
> ../include/linux/huge_mm.h:325:28: note: in expansion of macro ‘BUILD_BUG’
>  #define HPAGE_PMD_SHIFT ({ BUILD_BUG(); 0; })
>                             ^~~~~~~~~
> ../include/linux/huge_mm.h:106:26: note: in expansion of macro ‘HPAGE_PMD_SHIFT’
>  #define HPAGE_PMD_ORDER (HPAGE_PMD_SHIFT-PAGE_SHIFT)
>                           ^~~~~~~~~~~~~~~
> ../include/linux/huge_mm.h:107:26: note: in expansion of macro ‘HPAGE_PMD_ORDER’
>  #define HPAGE_PMD_NR (1<<HPAGE_PMD_ORDER)
>                           ^~~~~~~~~~~~~~~
> ../mm/vmstat.c:1755:12: note: in expansion of macro ‘HPAGE_PMD_NR’
>     v[i] /= HPAGE_PMD_NR;
>             ^~~~~~~~~~~~
>
> due to <linux/huge_mm.h>:
>
> #else /* CONFIG_TRANSPARENT_HUGEPAGE */
> #define HPAGE_PMD_SHIFT ({ BUILD_BUG(); 0; })
> #define HPAGE_PMD_MASK ({ BUILD_BUG(); 0; })
> #define HPAGE_PMD_SIZE ({ BUILD_BUG(); 0; })
>
> #define HPAGE_PUD_SHIFT ({ BUILD_BUG(); 0; })
> #define HPAGE_PUD_MASK ({ BUILD_BUG(); 0; })
> #define HPAGE_PUD_SIZE ({ BUILD_BUG(); 0; })
>
>
>
> >> mm-memcontrol-convert-nr_anon_thps-account-to-pages.patch
>
> --
> ~Randy
>


-- 
Yours,
Muchun

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