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    SubjectRe: mmotm 2020-05-11-15-43 uploaded (mm/memcontrol.c, huge pages)
    On Tue, May 12, 2020 at 6:44 AM Randy Dunlap <rdunlap@infradead.org> wrote:
    > On 5/11/20 3:44 PM, Andrew Morton wrote:
    > > The mm-of-the-moment snapshot 2020-05-11-15-43 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
    > >
    > > 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.
    > >
    > > This tree is partially included in linux-next. To see which patches are
    > > included in linux-next, consult the `series' file. Only the patches
    > > within the #NEXT_PATCHES_START/#NEXT_PATCHES_END markers are included in
    > > linux-next.
    > >
    > >
    > > A full copy of the full kernel tree with the linux-next and mmotm patches
    > > already applied is available through git within an hour of the mmotm
    > > release. Individual mmotm releases are tagged. The master branch always
    > > points to the latest release, so it's constantly rebasing.
    > >
    > > https://github.com/hnaz/linux-mm
    > >
    > > The directory http://www.ozlabs.org/~akpm/mmots/ (mm-of-the-second)
    > > contains daily snapshots of the -mm tree. It is updated more frequently
    > > than mmotm, and is untested.
    > >
    > > A git copy of this tree is also available at
    > >
    > > https://github.com/hnaz/linux-mm
    >
    > on x86_64:
    >
    > In file included from ../arch/x86/include/asm/atomic.h:5:0,
    > from ../include/linux/atomic.h:7,
    > from ../include/linux/page_counter.h:5,
    > from ../mm/memcontrol.c:25:
    > ../mm/memcontrol.c: In function ‘memcg_stat_show’:
    > ../include/linux/compiler.h:394:38: error: call to ‘__compiletime_assert_383’ declared with attribute error: BUILD_BUG failed
    > _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
    > ^
    > ../include/linux/compiler.h:375:4: note: in definition of macro ‘__compiletime_assert’
    > prefix ## suffix(); \
    > ^~~~~~
    > ../include/linux/compiler.h:394:2: 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:319:28: note: in expansion of macro ‘BUILD_BUG’
    > #define HPAGE_PMD_SHIFT ({ BUILD_BUG(); 0; })
    > ^~~~~~~~~
    > ../include/linux/huge_mm.h:115:26: note: in expansion of macro ‘HPAGE_PMD_SHIFT’
    > #define HPAGE_PMD_ORDER (HPAGE_PMD_SHIFT-PAGE_SHIFT)
    > ^~~~~~~~~~~~~~~
    > ../include/linux/huge_mm.h:116:26: note: in expansion of macro ‘HPAGE_PMD_ORDER’
    > #define HPAGE_PMD_NR (1<<HPAGE_PMD_ORDER)
    > ^~~~~~~~~~~~~~~
    > ../mm/memcontrol.c:3746:10: note: in expansion of macro ‘HPAGE_PMD_NR’
    > nr *= HPAGE_PMD_NR;
    > ^~~~~~~~~~~~
    > CC arch/x86/kernel/jump_label.o
    > ../mm/memcontrol.c: In function ‘memory_stat_format’:
    > ../include/linux/compiler.h:394:38: error: call to ‘__compiletime_assert_356’ declared with attribute error: BUILD_BUG failed
    > _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
    > ^
    > ../include/linux/compiler.h:375:4: note: in definition of macro ‘__compiletime_assert’
    > prefix ## suffix(); \
    > ^~~~~~
    > ../include/linux/compiler.h:394:2: 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:319:28: note: in expansion of macro ‘BUILD_BUG’
    > #define HPAGE_PMD_SHIFT ({ BUILD_BUG(); 0; })
    > ^~~~~~~~~
    > ../include/linux/huge_mm.h:115:26: note: in expansion of macro ‘HPAGE_PMD_SHIFT’
    > #define HPAGE_PMD_ORDER (HPAGE_PMD_SHIFT-PAGE_SHIFT)
    > ^~~~~~~~~~~~~~~
    > ../include/linux/huge_mm.h:116:26: note: in expansion of macro ‘HPAGE_PMD_ORDER’
    > #define HPAGE_PMD_NR (1<<HPAGE_PMD_ORDER)
    > ^~~~~~~~~~~~~~~
    > ../mm/memcontrol.c:1405:10: note: in expansion of macro ‘HPAGE_PMD_NR’
    > HPAGE_PMD_NR * PAGE_SIZE);
    > ^~~~~~~~~~~~
    >
    >
    >
    > Full randconfig file is attached.
    >
    > This might be relevant to mm-memcontrol-switch-to-native-nr_anon_thps-counter.patch

    noreply@ellerman.id.au pointed me to a similar failure for m68k/allmodconfig:
    http://kisskb.ellerman.id.au/kisskb/buildresult/14236262/

    I've bisected it to 157f1f1385447604 ("mm: memcontrol: switch to native
    NR_ANON_THPS counter").

    Gr{oetje,eeting}s,

    Geert

    --
    Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

    In personal conversations with technical people, I call myself a hacker. But
    when I'm talking to journalists I just say "programmer" or something like that.
    -- Linus Torvalds

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